Thermal Overcurrent Circuit Breaker 3120-F...
Description
An extremely versatile range of rocker switch/thermal circuit breakers (Stype TO CBE to EN 60934 with trip free mechanism) offering the choice of
single pole, double pole with single pole protection, and double pole with
protection on both poles. Designed for snap-in panel mounting with
versions available for three different panel cut-out sizes. Illumination is
optional and there is a range of colours and markings for the rocker. Under
overload conditions the rocker returns to the OFF position. 6-way frame
for 3120-F5 available upon request.
Any one of the following additional function modules can be supplied
factory fitted to the rear of the switch/circuit breaker.
Under voltage release coil (for double pole versions only).
Magnetic trip coil for short circuit protection.
Magnetic trip coil for remote relay trip.
Auxiliary contacts for status signalling.
Mechanical slide interlock.
Approved to CBE standard EN 60934 (IEC 60934).
Typical applications
1
3120-F...
Technical data
Motors, transformers, solenoids, extra low voltage wiring systems, office
machines, electro-medical equipment, power supplies, communications systems,
medical equipment to EN 60601.
Standard current ratings and typical internal resistance values
For further details please see chapter: Technical Information
Voltage rating
AC 240 V; DC 50 V
(AC 415 V to special order)
(UL: AC 250 V; DC 50 V)
Current ratings
0.1...20 A
(up to 30 A to special order, single pole only)
Current
rating (A)
0.1
0.2
0.3
0.4
0.5
0.6
0.8
1
1.2
1.5
2
2.5
3
Internal
resistance
per pole (Ω)
94
24
12
5.30
4.20
2.90
1.50
0.9
0.80
0.45
0.27
0.0785
0.0595
Current
rating (A)
3.5
4
4.5
5
6
7
8
10
12
14
16
18
20
Internal
resistance
per pole (Ω)
0.0565
0.0435
0.0435
0.0325
0.0215
0.0165
0.0165
< 0.02
< 0.02
< 0.02
< 0.02
< 0.02
< 0.02
Typical life
AC 240 V:
DC 50 V:
DC 28 V:
AC 415 V:
AC 240 V:
0.1...16 A
0.1...16 A
17...20 A
DC 50 V:
0.1...16 A
17...20 A
Ambient temperature
Insulation co-ordination
(IEC 60664 and 60664 A
Dielectric strength
(IEC 60664 and 60664A)
operating area
between poles (2 pole)
Insulation resistance
Interrupting capacity Icn
Illumination voltage/power consumption
operating voltage
power consumption
filament/neon
LED
Interrupting capacity
(UL 1077)
6V
60 mA
9 mA
12 V
20 mA
9 mA
24 V
20 mA
9 mA
48 V
20 mA
1.5 mA
115 V
< 1.5 mA
< 1 mA*
230 V
< 1.5 mA
< 1 mA*
415 V
< 1 mA
not available
Degree of protection
(IEC 60529/DIN 40050)
Vibration
* single pole version only
Shock
Approvals
Corrosion
Authority
VDE (EN 60934)
BV
UL, CSA
CCC
05/06(280405)
Voltage ratings
AC 240 V, DC 28
DC 50 V
DC 50 V
AC 250 V, DC 28
AC 250 V, DC 50
AC 250 V, DC 50
V
V
V
V
0.1...20 A
0.1...4 A
4.5...16 A
4.5...20 A
Current ratings
0.1...20 A
0.1...20 A 2pole
0.1...10 A 1pole
0.1...20 A
0.1...20 A
0.1...20 A
Humidity
Mass
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1 pole
30,000 operations at 1 x IN, inductive
30,000 operations at 1 x IN, inductive
30,000 operations at 1 x IN, resistive
30,000 operations at 1 x IN, inductive
2 pole
10,000 operations at 1 x IN, inductive
50,000 operations at 1 x IN, inductive
30,000 operations at 1 x IN, inductive
50,000 operations at 1 x IN, inductive
10,000 operations at 1 x IN, inductive
-30...+60 °C (-22...+140 °F)
rated impulse
pollution
withstand voltage
degree
2.5 kV
2
reinforced insulation in operating area
test voltage
AC 3,000 V
AC 1,500 V
>100 MΩ (DC 500 V)
0.1...2 A 10 x IN
2.5...20 A 250 A 2 pole, or 150 A 1 pole
IN
UN
2 pole
0.1...2 A
AC 250 V
200 A
2.5...3 A
AC 250 V
1,000 A
3.5...8 A
AC 250 V
2,000 A
9...16 A
AC 250 V
3,500 A
18...20 A
AC 250 V
5,000 A
0.1...20 A
DC 50 V
1,000 A
operating area IP40
(IP54 with water splash protection)
terminal area IP00
8 g (57-500 Hz), ±0.61 mm (10-57 Hz)
to IEC 60068-2-6, test Fc
10 frequency cycles/axis
30 g (11 ms)
to IEC 60068-2-27, test Ea
96 hours at 5 % salt mist,
to IEC 60068-2-11, test Ka
240 hours at 95 % RH,
to IEC 60068-2-3, test Ca
approx. 33 g (double pole)
approx. 27 g (single pole)
Thermal Overcurrent Circuit Breaker 3120-F...
Type No.
3120 rocker switch/circuit breaker
Mounting
F snap in frame
Size of frame
panel thickness
3 to fit mounting cut-out 50.5 x 21.5 mm 1-6.35 mm (.039-.250 in)
5 to fit mounting cut-out 44.5 x 22 mm 1-4 mm (.039-.157 in)
6 to fit mounting cut-out 45 x 33.7 mm 1.2-2.4 mm (.047-.094 in)
Number of poles
0 2 pole, unprotected, switch only
1 1 pole, thermally protected
2 2 pole, thermally protected
5 2 pole, thermally protected on one pole only (terminals 11,12k,12i)
6 1 pole, unprotected, switch only
Mounting frame design
1 collar height 1 mm
3 collar height 9 mm
4 collar height 2 mm with water splash protection (IP54), not with -F6...
U with water splash protection and actuator guard
Terminal configuration
P7 blade terminals 2x2.8x0.8 mm (QC 2x.110)
(terminals 12(k), 22(k), 11, 21), not for under voltage
module, not for switch
H7 12(k), 22(k): blade terminals 2x2.8-0.8 (QC 2x.110)
11, 21: terminal screws, not for switch
N7 as P7, but including shunt terminals 12(i) and 22 (i)
as blade terminals 2x2.8x0.8 mm(QC 2x.110)
not for under voltage module
G7 as H7, but including shunt terminals 12(i) and 22 (i)
as blade terminals 2x2.8x0.8 mm(QC 2x.110)
Characteristic curve
T1 thermal, 1.01-1.4 x IN
Q1 switch only
Actuator style
W rocker
U momentary switch
Switch colour designation
opaque
translucent
(for illuminated versions)
01 black
12 white
02 white
14 red
04 red
15 orange
19 green
Rocker markings
A
0 AUS OFF
B
I EIN ON
C
D
0 AUS OFF
E
I EIN ON
F
X
A B C D E F X
X = without marking
Rocker illumination (optional)
B filament≤ 48V AC/DC; neon ≥115V AC
G green LED, AC/DC
Y yellow LED, AC/DC
R red LED, AC/DC
Illumination voltage range
0 4-7V
(B,G,Y,R)
1 10 - 14 V
(B,G,Y,R)
2 20 - 28 V
(B,G,Y,R)
3 90 - 140 V (B)
4 185 - 275 V (B)
5 42 - 54 V
(B,Y,R)
Current ratings
0.1...20 A
3120 - F 3 2 1 - N7 T1 - W 14
3120 - F . 0 . - N7 Q1 -W ..
single or double pole load
0.1 … 2 A
10000
+60 °C
+140 °F
+23 °C
+73.4 °F
-30 °C
-22 °F
1000
Trip time in seconds
1
Typical time/current characteristics
100
10
1
0.1
1
2
2.5 … 20 A
4
6 8 10
… times rated current
20
40
10000
+60 °C
+140 °F
+23 °C
+73.4 °F
-30 °C
-22 °F
1000
Trip time in seconds
Ordering information
100
10
1
0.1
1
2
4
6 8 10
… times rated current
20
40
The time/current characteristic curve depends on the ambient temperature
prevailing. In order to eliminate nuisance tripping, please multiply the circuit
breaker current ratings by the derating factor shown below. See also
section 9 – Technical information.
Ambient temperature °F
-22 -4
+14 +32 +73.4 +104 +122 +140
°C
-30 -20 -10 0
+23 +40 +50 +60
Derating factor
0.8 0.76 0.84 0.92 1
1.08 1.16 1.24
A B 4 - 10 A ordering example
. . . - 20 A (switch only)
N.B.
Switch only versions must be specified with -N7 or -G7 terminals.
Terminals 12(k) and 22(k) are not fitted.
72
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05/06(280405)
Thermal Overcurrent Circuit Breaker 3120-F...
Internal connection diagrams
Mounting style variants
2 pole,
thermally protected on both poles
Style F 3.3 collar height 9 mm (.354 in.)
21
11
12(i)
22(i)
12(i)
12(k)
22(k)
12(k)
11
25
.984
19.5
.768
54
2.13
35
1.38
22(i)
1
load
2 pole,
unprotected
line
12(i)
21
11
22(i)
12(i)
12(i) 12(k)
11
10
.394
load
1 pole,
thermally protected
line
9
.354
line
35
1.38
33
1.30
11
2 pole,
thermally protected on one pole only
line
10.7
.421
21
.827
blade terminals DIN 46244-C-Ms-S
(QC 2 x .110)
flat head screw M3.5x5-MS ISO1580
tightening torque max. 0.8 Nm
21
22(i)
load
3.5
.138
15.5
.610
3
.118
41
1.61
12(k) load
Style F 3.4
collar height 2 mm (.079 in.), with water splash protection
Actuating force max. 35 N
optional illumination in ON position
12(i) 12(k)
54
2.13
10.7
.421
21
.827
blade terminals DIN 46244-C-Ms-S
(QC 2 x .110)
flat head screw M3.5x5-MS ISO1580
tightening torque max. 0.8 Nm
25
.984
16
.630
3
.118
41
1.61
Optional illumination
48
1.89
3
.118
12(i) 12(k)
11
10
.394
10.7
3.5
.138
.421
21
15.5
.610
.827
blade terminals DIN 46244-C-Ms-S
(QC 2x.110)
flat head screw ISO1580 M3.5x5-MS
tightening torque max. 0.8 Nm
15.5
.610
35
1.38
33
1.30
10
11
3.5
.138
.394
12(k)
7
.276
Style F 5.1
12(i)
11
10
.394
OFF position
35
1.38
33
1.30
7
.276
25
.984
16
.630
3.8
.150
33
1.30
Style F3.1
collar height 1 mm/.039 in.
56
2.21
35
1.38
27
1.06
19.5
.768
10
.394
Dimensions
41
1.61
10.7
.421
21
.827
blade terminals DIN 46244-C-Ms-S
(QC 2 x .110)
flat head screw M3.5x5-MS ISO1580
tightening torque max. 0.8 Nm
Installation drawing
3.5
.138
15.5
.610
3
.118
41
1.61
Style F 5.U
with water splash protection (IP54) and actuator guard
24
.945
When installing the circuit breaker apply pressure on bezel only
operating area
5,3
.209
21,5 -0,1
.846 -.004
50
1.97
44,2 -0,2
1.74 -.008
24,1
.949
35
1.38
7
.276
7
.276
12(i)
8
.315
mounting area
12(k)
4
.157
7
.276
12(i) 12(k)
11
10
.394
10
.394
15.5
.610
37
1.46
33
1.29
10
.394
19,5
.768
27
1.06
11
7
10,7
.421
21
.827
blade terminals DIN 46244-C-Ms-S
10
flat head screw M3.5x5-MS ISO1580
tightening torque max. 0.8 Nm
.276 .394
3,5
.138
15,5
.610
3
.118
41
1.61
Dimension diagram for style F6 is available on request.
This is a metric design and millimeter dimensions take precedence ( mm )
inch
05/06(280405)
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Thermal Overcurrent Circuit Breaker 3120-F...
Accessories
Insulated cover
Y 303 068 01
Rear terminal shroud black (IP64)
Y 304 275 01
9
.354
20.5
.807
20
.787
70+5
2.76+.197
50
1.97
10
.394
Terminal adapter
Y 303 862 01
R3
4
.5
.
.157 138
13.5
.531
4
.157
ø8
.315
Water splash cover, transparent (IP66)
for style -F5..
X 221 619 01
48
blade terminal DIN 46244-C-Ms-S
(QC 2x.110)
25
.984
1.89
Spacer for 3120-F3...
Y 303 675 01/02
58
2.28
50.5
1.99
16.5
.650
ø8
.315
22
.866
28
1.10
35
1.38
3.4
.134
ø4.4
.173
*
60
2.36
73
2.87
Spacer for 3120-F5...
Y 303 676 01
52
2.05
44.5
1.75
6-way frame for 3120-F5... upon request
Cut-out dimensions
panel thickness
±0.05
±.002
±0.05
±.002
“A”
+0.2
1
.039
without bends
max. R1.5
max .059
max. R0.3
max .012
33.7 - 0.05
50.5 +0.3
1.99 +.012
min. 2
min .079
max. R0.3
max .012
Blanking piece in -F3 frame
Y 303 885 31
1
.039
max. R2
max .079
sharp-edged
1.33 +.008
- .002
1-6.35
.039-.250
min. 2.5
min .098
.846 +.008
21.5 +0.2
Cut-out for mounting style -F6
with rocker
- 0.4
-.016
- 0.2
-.008
22.5
.886
28
1.10
1
.039
Cut-out for mounting style -F3
with rocker and push button
- 0.4
-.016
- 0.2
-.008
* Y 303 675 01 suitable for
panel thickness < 2 mm (.079 in)
* Y 303 675 02 suitable for
panel thickness < 4 mm (.157 in)
0.8
.031
2.5
.098
1
2.5
.098
3.7
.146
+0.5
1.75 -0.25
.069 +.020
-.010
0.9
.035
40.5
1.59
54
2.13
31
1.22
matt finish
25
.984
16.5
.650
Cut-out for mounting style -F5
- 0.4
with rocker
-.016
33
1.30
36
1.42
mm 1.2 +0.4 1.6 +0.8 2.4 +1
panel
thickness inch .047+.016 .063 +.031 .094 +.039
+1.1
+0,2
+2.2
dimension mm 45 - 0.05 45 - 0.05 45 - 0.05
+.043
+.087
“A”
1.77
inch 1.77+.008
1.77
- .002
- .002
- .002
max. R1.5
max .059
±0.05
±.002
44.5 +0.2
1.75 +.008
.866 +.012
max. R0.3
max .012
min. 2
min .079
22 +0.3
1-4 mm
.039-.157 in.
- 0.2
-.008
41
1.61
21
.827
Edges of working parts: ISO 13715
This is a metric design and millimeter dimensions take precedence ( mm )
inch
All dimensions without tolerances are for reference only. In the interest of improved design,
performance and cost effectiveness the right to make changes in these specifications
without notice is reserved.Product markings may not be exactly as the ordering codes.
Errors and omissions excepted.
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05/06(280405)
Thermal Overcurrent Circuit Breaker 3120-F7..
Description
E-T-A’s proven type 3120 in a new attractive styling (S-type TO CBE to EN
60934 with trip free mechanism) offering the choice of single pole, double
pole with single pole protection, and double pole with protection on both
poles. Designed for snap-in panel mounting with illumination as an option.
Under overload conditions the rocker returns to the OFF position.
Any one of the following additional function modules can be supplied
factory fitted to the rear of the switch/circuit breaker.
Under voltage release coil (for double pole versions only).
Magnetic trip coil for short circuit protection.
Magnetic trip coil for remote relay trip.
Auxiliary contacts for status signalling.
Mechanical slide interlock.
Approved to CBE standard EN 60934 (IEC 60934).
Available accessories: water splash protection and actuator guard to
prevent inadvertent operation.
Typical applications
3120-F7..
Technical data
Motors, transformers, solenoids, extra low voltage wiring systems, office
machines, electro-medical equipment, power supplies, communications
systems, boating.
Standard current ratings and typical internal resistance values
Current
rating (A)
Internal resistance
per pole (Ω)
Current
rating (A)
Internal resistance
per pole (Ω)
0.1
0.2
0.3
0.4
0.5
0.6
0.8
1
1.2
1.5
2
2.5
3
94
24
12
5.30
4.20
2.90
1.50
0.9
0.80
0.45
0.27
0.0785
0.0595
3.5
4
4.5
5
6
7
8
10
12
14
16
18
20
0.0565
0.0435
0.0435
0.0325
0.0215
0.0165
0.0165
< 0.02
< 0.02
< 0.02
< 0.02
< 0.02
< 0.02
For further details please see chapter: Technical Information
Voltage rating
AC 240 V; DC 50 V
(AC 415 V to special order)
(UL: AC 250 V; DC 50 V)
Current ratings
0.1...20 A
(up to 30 A to special order, single pole only)
Typical life
AC 240 V:
DC 50 V:
DC 28 V:
0.1...16 A
0.1...16 A
17...20 A
DC 50 V:
0.1...16 A
17...20 A
Ambient temperature
Insulation co-ordination
(IEC 60664 and 60664 A
Dielectric strength
(IEC 60664 and 60664A)
operating area
between poles (2 pole)
Insulation resistance
Interrupting capacity Icn
power consumption
filament/neon
LED
Interrupting capacity
(UL 1077)
6V
60 mA
9 mA
12 V
20 mA
9 mA
24 V
20 mA
9 mA
48 V
20 mA
1.5 mA
115 V
< 1.5 mA
< 1 mA*
230 V
< 1.5 mA
< 1 mA*
415 V
< 1 mA
not available
Degree of protection
(IEC 60529/DIN 40050)
Vibration
* single pole version only
Shock
Approvals
Corrosion
Authority
VDE, (EN 60934)
BV
UL, CSA
CCC
05/06(280405)
Voltage ratings
AC 240 V, DC 28 V
DC 50 V
DC 50 V
AC 250 V, DC 28 V
AC 250 V, DC 50 V
AC 250 V, DC 50 V
0.1...20 A
0.1...4 A
4.5...16 A
4.5...20 A
AC 415 V:
AC 240 V:
Illumination voltage/power consumption
operating voltage
1
Current ratings
0.1...20 A
0.1...20 A 2 pole
0.1...10 A 1 pole
0.1...20 A
0.1...20 A
0.1...20 A
Humidity
Mass
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1 pole
30,000 operations at 1 x IN, inductive
30,000 operations at 1 x IN, inductive
30,000 operations at 1 x IN, resistive
30,000 operations at 1 x IN, inductive
2 pole
10,000 operations at 1 x IN, inductive
50,000 operations at 1 x IN, inductive
30,000 operations at 1 x IN, inductive
50,000 operations at 1 x IN, inductive
10,000 operations at 1 x IN, inductive
-30...+60 °C (-22...+140 °F)
rated impulse
pollution
withstand voltage
degree
2.5 kV
2
reinforced insulation in operating area
test voltage
AC 3,000 V
AC 1,500 V
>100 MΩ (DC 500 V)
0.1...2 A 10 x IN
2.5...20 A 250 A 2 pole, or 150 A 1 pole
IN
UN
2 pole
0.1...2 A
AC 250 V
200 A
2.5...3 A
AC 250 V
1,000 A
3.5...8 A
AC 250 V
2,000 A
9...6 A
AC 250 V
3,500 A
18...20 A
AC 250 V
5,000 A
0.1...20 A
DC 50 V
1,000 A
operating area IP40
(IP54 with water splash protection)
terminal area IP00
8 g (57-500 Hz), ±0.61 mm (10-57 Hz)
to IEC 60068-2-6, test Fc
10 frequency cycles/axis
30 g (11 ms)
to IEC 60068-2-27, test Ea
96 hours at 5 % salt mist,
to IEC 60068-2-11, test Ka
240 hours at 95 % RH,
to IEC 60068-2-3, test Ca
approx. 33 g (double pole)
approx. 27 g (single pole)
Thermal Overcurrent Circuit Breaker 3120-F7..
Type No.
3120 rocker switch/circuit breaker
Mounting
F snap in frame
Size of frame
panel thickness
7 to fit mounting cut-out 44.5x22mm(1.75x.866 in) 1-4 mm(.039-.157 in)
Number of poles
0 2 pole, unprotected, switch only
1 1 pole, thermally protected
2 2 pole, thermally protected
5 2 pole, thermally protected on one pole only (terminals 11,12k,12i)
6 1 pole, unprotected, switch only
Mounting frame design
N grey frame
P snap-on actuator guard grey
Q snap-on water splash cover grey
R black frame
S snap-on actuator guard black
T snap-on water splash cover black
Terminal configuration
P7 blade terminals 2x2.8x0.8 mm (QC 2x.110) (terminals
12(k), 22(k),11, 21), not for under voltage module,
not for switch
H7 12(k), 22(k): blade terminals 2x2.8-0.8 (QC 2x.110)
11, 21: terminal screws, not for switch
N7 as P7, but including shunt terminals 12(i) and 22 (i)
as blade terminals 2x2.8x0.8 mm(QC 2x.110)
not for under voltage module
G7 as H7, but including shunt terminals 12(i) and 22 (i)
as blade terminals 2x2.8x0.8 mm(QC 2x.110)
Characteristic curve
T1 thermal, 1.01-1.4 x IN
Q1 switch only
Actuator style
A rocker
Switch colour designation
20 blue opaque
30 blue translucent
Rocker markings
I
single or double pole load
0.1 … 2 A
10000
+60 °C
+140 °F
+23 °C
+73.4 °F
-30 °C
-22 °F
1000
Trip time in seconds
1
Typical time/current characteristics
100
10
1
0.1
1
2
2.5 … 20 A
4
6 8 10
… times rated current
20
40
10000
+60 °C
+140 °F
+23 °C
+73.4 °F
-30 °C
-22 °F
1000
Trip time in seconds
Ordering information
100
10
0
Q
Q "I" and "0" moulded in
Push button illumination (optional)
B filament, AC/DC
1
Illumination voltage range (optional)
0
1
2
3
4
5
4-7V
10 - 14 V
20 - 28 V
90 - 140 V
185 - 275 V
42 - 54 V
Current ratings
0.1...20 A
3120 - F 7 2 N - N7 T1 - A 20 Q B 4 - 10 A
0.1
1
ordering example
3120 - F . 0 N - N7 Q1 -A 20 Q B 4 - 20 A (switch only)
2
4
6 8 10
… times rated current
20
40
The time/current characteristic curve depends on the ambient temperature
prevailing. In order to eliminate nuisance tripping, please multiply the circuit
breaker current ratings by the derating factor shown below. See also
section 9 – Technical information.
Ambient temperature °F
-22 -4
+14 +32 +73.4 +104 +122 +140
°C
-30 -20 -10 0
+23 +40 +50 +60
Derating factor
0.8 0.76 0.84 0.92 1
1.08 1.16 1.24
N.B.
Switch only versions must be specified with -N7 or -G7 terminals.
Terminals 12(k) and 22(k) are not fitted.
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05/06(280405)
Thermal Overcurrent Circuit Breaker 3120-F7..
Dimensions
Internal connection diagrams
2 pole,
thermally protected on both poles
25
.984
15.5
.610
48 ±0.2
1.89 ±.008
44.2 -0.2
1.74 -.008
line
11
21
12(i)
33
1.30
12(k)
21
.827
10.7
.421
3.5
.138
15.5
.610
blade terminals DIN 46244-C-Ms-S
(QC 2 x .110)
flat head screw ISO1580 M3.5x5-MS
tightening torque max. 0.8 Nm
11
load
22(i)
12(i)
22(k)
12(k)
1 pole,
thermally protected
LINE
11
12(k)
line
21
3
.118
11
12(i)
41
1.61
22(i)
1
load
2 pole,
unprotected
line
11
10
.394
12(i)
2 pole,
thermally protected on one pole only
3
.118
8.9
.350
Style -F7.N and F7.R
22(i)
12(i)
line
load
21
22(i)
12(k) load
Installation drawing
60
2.36
44.2 -0,2
1.74 -.008
When installing the circuit breaker apply pressure on bezel only.
LINE
11
12(k)
12(i)
10
.394
12(i)
10
.394
5.9
.232
operating area
3.5
.138
15.5
.610
blade terminals DIN 46244-C-Ms-S
(QC 2 x .110)
flat head screw ISO1580 M3.5x5-MS
tightening torque max. 0.8 Nm
7
.276
41
1.61
7
.276
8
.315
mounting area
7
10
.276 .394
Panel cut-out
Style -F7.Q and F7.T
34
1.34
18.6
.732
60
2.36
44.8
1.76
11.5
.453
-0,4
-.016
-0,2
-.008
33
1.30
LINE
11
12(k)
10
.394
12(i)
21
.827
LINE
11
3
.118
10.7
.421
3.5
.138
15.5
.610
blade terminals DIN 46244-C-Ms-S
(QC 2 x .110)
flat head screw ISO1580 M3.5x5-MS
tightening torque max. 0.8 Nm
22 +0.3
1- 4
.866 +.012 .039 - .157
21
.827
10.7
.421
12(k)
3
.118
±0,05
±.002
min. 2
min .079
max. R1.5
max .059
44.5 +0.4
1.75 +.016
max. R0.3
max .012
Edges of working parts: ISO 13715
41
1.61
This is a metric design and millimeter dimensions take precedence ( mm )
inch
05/06(280405)
15.5
.610
34
1.34
18.8
.740
15.5
.610
33
1.30
8.9
.350
Style -F7.P and F7.S
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Thermal Overcurrent Circuit Breaker 3120-F7..
Accessories
Insulated cover
Y 303 068 01
2.5
.098
Translucent water splash cover (IP54)
X 222 143 01
Consisting of
- Y 307 097 01 snap-on frame with actuator guard
- Y 307 096 01 soft plastic cover
9
.354
18.8
20
.787
60
2.36
0.9
.035
1
11.5
.453
.740
3.7
.146
Terminal adapter
Y 303 862 01
13.5
.531
4
.157
R3
4
.5
.
.157 138
34
1.34
blade terminal DIN 46244-C-Ms-S
(QC 2x.110)
10.1
.398
Snap-on frame with actuator guard (can be snapped on
as switch-on protection or switch-off protection)
Y 307 097 01
5.9
18.8
.740
Spacer
Y 303 676 01
.232
60
2.36
52
2.05
44.5
1.75
1
.039
22.5
.886
28
1.10
1
.039
sharp-edged
10.1
.398
0.8
.031
2.5
.098
34
1.34
without bends
Rear terminal shroud black (IP64)
Y 304 275 01
+0.5
1.75 -0.25
.069 +.020
-.010
70+5
2.76+.197
50
1.97
20.5
.807
10
.394
40.5
1.59
ø8
.315
This is a metric design and millimeter dimensions take precedence ( mm )
inch
All dimensions without tolerances are for reference only. In the interest of improved design,
performance and cost effectiveness the right to make changes in these specifications
without notice is reserved.Product markings may not be exactly as the ordering codes.
Errors and omissions excepted.
www.e-t-a.com
05/06(280405)
Thermal Overcurrent Circuit Breaker 3120-F...
Description
Switch/thermal trip free circuit breaker (S-type TO CBE to EN 60934) with
standard isolator style two button operation. Single button press-to-reset
version also available. Both types can be supplied in single pole
configuration only, in double pole with single pole protection, and in double
pole with protection on both poles. Designed for snap-in panel mounting.
There is a choice of push button colour combinations and illumination is
optional.
Any one of the following additional function modules can be supplied
factory fitted to the rear of the switch/circuit breaker:
Under voltage release coil (for double pole versions only).
Magnetic trip coil for short circuit protection.
Magnetic trip coil for remote relay trip.
Auxiliary contacts for status signalling.
Mechanical slide interlock.
Approved to CBE standard EN 60934 (IEC 60934).
Typical applications
3120-F...
Technical data
Motors, transformers, solenoids, extra low voltage wiring systems, office
machines, electro-medical equipment, power supplies, communications
systems, industrial controls.
Standard current ratings and typical internal resistance values
Current
rating (A)
Internal resistance
per pole (Ω)
Current
rating (A)
Internal resistance
per pole (Ω)
0.1
0.2
0.3
0.4
0.5
0.6
0.8
1
1.2
1.5
2
2.5
3
94
24
12
5.30
4.20
2.90
1.50
0.9
0.80
0.45
0.27
0.0785
0.0595
3.5
4
4.5
5
6
7
8
10
12
14
16
18
20
0.0565
0.0435
0.0435
0.0325
0.0215
0.0165
0.0165
< 0.02
< 0.02
< 0.02
< 0.02
< 0.02
< 0.02
For further details please see chapter: Technical Information
Voltage rating
AC 240 V; DC 50 V
(AC 415 V to special order)
(UL: AC 250 V; DC 50 V)
Current ratings
0.1...20 A
(up to 30 A to special order, single pole only)
Typical life
AC 240 V:
DC 50 V:
DC 28 V:
0.1...16 A
0.1...16 A
17...20 A
DC 50 V:
0.1...16 A
17...20 A
Ambient temperature
Insulation co-ordination
(IEC 60664 and 60664 A
Dielectric strength
(IEC 60664 and 60664A)
operating area
between poles (2 pole)
Insulation resistance
Interrupting capacity Icn
power consumption
filament/neon
LED
Interrupting capacity
(UL 1077)
6V
60 mA
9 mA
12 V
20 mA
9 mA
24 V
20 mA
9 mA
48 V
20 mA
1.5 mA
115 V
< 1.5 mA
< 1 mA*
230 V
< 1.5 mA
< 1 mA*
415 V
< 1 mA
not available
Degree of protection
(IEC 60529/DIN 40050)
Vibration
* single pole version only
Shock
Approvals
Authority
VDE, (EN 60934)
BV
UL, CSA
CCC
05/06(280405)
Corrosion
Voltage ratings
AC 240 V, DC 28
DC 50 V
DC 50 V
AC 250 V, DC 28
AC 250 V, DC 50
AC 250 V, DC 50
V
V
V
V
0.1...20 A
0.1...4 A
4.5...16 A
4.5...20 A
AC 415 V:
AC 240 V:
Illumination voltage/power consumption
operating voltage
1
Current ratings
0.1...20 A
0.1...20 A 2 pole
0.1...10 A 1 pole
0.1...20 A
0.1...20 A
0.1...20 A
Humidity
Mass
www.e-t-a.com
1 pole
30,000 operations at 1 x IN, inductive
30,000 operations at 1 x IN, inductive
30,000 operations at 1 x IN, resistive
30,000 operations at 1 x IN, inductive
2 pole
10,000 operations at 1 x IN, inductive
50,000 operations at 1 x IN, inductive
30,000 operations at 1 x IN, inductive
50,000 operations at 1 x IN, inductive
10,000 operations at 1 x IN, inductive
-30...+60 °C (-22...+140 °F)
rated impulse
pollution
withstand voltage
degree
2.5 kV
2
reinforced insulation in operating area
test voltage
AC 3,000 V
AC 1,500 V
>100 MΩ (DC 500 V)
0.1...2 A 10 x IN
2.5...20 A 250 A 2 pole, or 150 A 1 pole
IN
UN
2 pole
0.1...2 A
AC 250 V
200 A
2.5...3 A
AC 250 V
1,000 A
3.5...8 A
AC 250 V
2,000 A
9...16 A
AC 250 V
3,500 A
18...20 A
AC 250 V
5,000 A
0.1...20 A
DC 50 V
1,000 A
operating area IP40
terminal area IP00
8 g (57-500 Hz), ±0.61 mm (10-57 Hz)
to IEC 60068-2-6, test Fc
10 frequency cycles/axis
30 g (11 ms)
to IEC 60068-2-27, test Ea
96 hours at 5 % salt mist,
to IEC 60068-2-11, test Ka
240 hours at 95 % RH,
to IEC 60068-2-3, test Ca
approx. 33 g (double pole)
approx. 27 g (single pole)
79
Thermal Overcurrent Circuit Breaker 3120-F...
Type No.
3120 push button switch/circuit breaker
Mounting
F snap in frame
Size of frame
2 flange mounting, special frame for fitting splash cover
3 to fit mounting cut-out 50.5 x 21.5 mm (1.99 x 8.47 in)
panel thickness 1 - 6.35 mm (.039 - .250 in)
Number of poles
0 2 pole, unprotected, switch only
1 1 pole, thermally protected
2 2 pole, thermally protected
5 2 pole, thermally protected on one pole only (terminals 11,12k,12i)
6 1 pole, unprotected, switch only
Mounting frame design
F with 2 push buttons
G with 1 push button (switch-on only)
Terminal configuration
P7 blade terminals 2x2.8x0.8mm(QC 2x.110)
(terminals 12(k), 22(k), 11, 21), not for under voltage
module, not for switch
H7 12(k), 22(k): blade terminals 2x2.8-0.8 (QC 2x.110)
11, 21: terminal screws, not for switch
N7 as P7, but including shunt terminals 12(i) and 22 (i)
as blade terminals 2x2.8x0.8 mm (QC 2x.110)
not for under voltage module
G7 as H7, but including shunt terminals 12(i) and 22 (i)
as blade terminals 2x2.8x0.8 mm (QC 2x.110)
Characteristic curve
T1 thermal, 1.01-1.4 IN
Q1 switch only, only for N7 or G7 terminals
Switch style/colour
D 1 push button (re-set only)
Z 1 push button (momentary switch)
01X black
04X red
12X white translucent
19X green translucent
S 2 push buttons on/off
GRX green translucent/red
WRX white translucent/red
WBX white translucent/black
Push button illumination (optional)
B filament AC/DC
L neon, AC
G green LED, AC/DC
Y yellow LED, AC/DC
R red LED, AC/DC
Illumination voltage range (optional)
0 4 - 7 V (B,G,Y,R)
1 10 - 14 V (B,G,Y,R)
2 20 - 28 V (B,G,Y,R)
3 90 - 140 V (L)
4 185 - 275 V (L)
5 42 - 54 V (B,Y,R)
Current ratings
0.1...20 A
3120 - F 3 2 F - N7 T1 - S GRX L 4 - 10 A
3120 - F 3 0 F - N7 Q1 - S ...
. . - 20 A
ordering example
switch only
N.B.
Switch only versions must be specified with -N7 or -G7 terminals.
Terminals 12(k) and 22 (k) are not fitted.
single or double pole load
0.1 … 2 A
10000
+60 °C
+140 °F
+23 °C
+73.4 °F
-30 °C
-22 °F
1000
Trip time in seconds
1
Typical time/current characteristics
100
10
1
0.1
1
2
2.5 … 20 A
4
6 8 10
… times rated current
20
40
10000
+60 °C
+140 °F
+23 °C
+73.4 °F
-30 °C
-22 °F
1000
Trip time in seconds
Ordering information
100
10
1
0.1
1
2
4
6 8 10
… times rated current
20
40
The time/current characteristic curve depends on the ambient temperature
prevailing. In order to eliminate nuisance tripping, please multiply the circuit
breaker current ratings by the derating factor shown below. See also
section 9 – Technical information.
Ambient temperature °F
-22 -4
+14 +32 +73.4 +104 +122 +140
°C
-30 -20 -10 0
+23 +40 +50 +60
Derating factor
0.8 0.76 0.84 0.92 1
1.08 1.16 1.24
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05/06(280405)
Thermal Overcurrent Circuit Breaker 3120-F...
Dimensions
Internal connection diagrams
3120-F3.F-…-S…
2 pole,
thermally protected on both poles
actuating force max. 35 N
optional illumination in ON position
11
54
2.13
25
.984
16.2
.638
14.2
.559
line
12(k)
2 pole,
thermally protected on one pole only
21
12(i)
15
.591
10
.394
OFF position
load
11
22(i)
12(i)
22(k)
12(k)
33
1.30
1 pole,
thermally protected
11
12(k)
10.7
.421
3.5
.138
21
.827
blade terminals DIN 46244-C-Ms-S
(QC 2x .110)
flat head screw ISO1580 M3.5x5-MS
tightening torque max. 0.8 Nm
22(i)
1
load
2 pole,
unprotected
line
11
12(i)
3
.118
15.5
.610
21
line
21
11
10
.394
12(i)
line
22(i)
12(i)
load
22(i)
12(k) load
41
1.61
Installation drawing
3120-F3.G-…-D…
When installing the circuit breaker apply pressure on bezel only.
optional illumination in ON position
54
2.13
25
.984
16.2
.638
operating area
33
1.30
12(i)
11
10.7
3.5
.421
.138
21
.827
blade terminals DIN 46244-C-Ms-S
(QC 2x .110)
flat head screw ISO1580 M3.5x5-MS
tightening torque max. 0.8 Nm
3120-F2.F-…
retaining clip
15.5
.610
7
.276
7
.276
41
1.61
10
.394
Panel cut-out
3120-F3…
- 0.4
-.016
- 0.2
-.008
min. 2.5
min .098
1-6.35
.039-.250
panel
cover
74
2.91
60±0.1
2.36±.004
±0.05
±.002
max. R2
max .079
50.5 +0.3
1.99 +.012
max. R0.3
max .012
60 ±0.15
2.36 +.006
50.5 +0.5
1.99 +.020
ø3.2
.126
12(k)
11
t: metal min. 2 mm (.079 in.)
plastic min. 3 mm (.118 in.)
R2
.079
3
.118
41
1.61
ø4.3 +0.2
15.5
.610
.169 +.008
21
.827
blade terminals DIN 46244-C-Ms-S
(QC 2x .110)
flat head screw ISO1580 M3.5x5-MS
tightening torque max. 0.8 Nm
12(i)
26 +0.2
1.02 +.008
PT-screw
Typ K40
ø4mm
(.157 in.)
10.7
3.5
.421
.138
t
10.2
.402
3120-F2…
10
.394
33
1.30
4.5
.177
15
.591
10
.394
7
.276
mounting area
3
.118
water splash cover
(see next page)
35.4
1.39
16.2
.638
8
.315
11
21.5 +0.2
.846 +.008
12(k)
10
.394
12(i)
12(k)
15.5
.610
10
.394
14.2
.559
15
.591
10
.394
OFF position
Edges of working parts: ISO 13715
This is a metric design and millimeter dimensions take precedence ( mm )
inch
05/06(280405)
www.e-t-a.com
Thermal Overcurrent Circuit Breaker 3120-F...
Accessories
Insulated cover
Y 303 068 01
Rear terminal shroud black (IP64)
Y 304 275 01
2.5
.098
40.5
1.59
+0.5
9
.354
1.75 -0.25
.069 +.020
-.010
0.9
.035
1
20.5
.807
ø8
.315
13.5
.531
4
.157
R3
4
.5
.
.157 138
3.7
.146
10
.394
Terminal adapter
Y 303 862 01
70+5
2.76+.197
50
1.97
20
.787
Water splash cover, transparent (IP66)
for style 3120-F2.F-...
X 221 619 01
consisting of
- retaining clip 305 551 01
- cover Y 306 001 01
blade terminal DIN 46244-C-Ms-S
(QC 2x.110)
Spacer for 3120-F3...
Y 303 675 01/02
48
1.89
25
.984
58
2.28
50.5
1.99
3.4
.134
* Y 303 675 01 suitable for
panel thickness < 2 mm (.079 in)
* Y 303 675 02 suitable for
panel thickness < 4 mm (.157 in)
matt finish
60
2.36
73
2.87
25
.984
16.5
.650
33
1.30
36
1.42
1
.039
Blanking piece in -F3 frame
Y 303 885 31
54
2.13
31
1.22
ø4.4
.173
35
1.38
*
16.5
.650
22
.866
28
1.10
ø8
.315
41
1.61
21
.827
This is a metric design and millimeter dimensions take precedence ( mm )
inch
All dimensions without tolerances are for reference only. In the interest of improved design,
performance and cost effectiveness the right to make changes in these specifications
without notice is reserved.Product markings may not be exactly as the ordering codes.
Errors and omissions excepted.
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05/06(280405)
Auxiliary Contact Module X3120-S for circuit breaker 3120-F...
Description
Dimensions
25.5
1.00
A module supplied factory fitted to type 3120-F to provide electrically
separate changeover contacts which operate as the main contacts
open/close. Ideally suited to status signalling and sequence
switching.
1
10
.394
21
.827
14
.551
blade terminalsDIN 46244-A2.8-0.5-Ms (QC .110)
silver plated
Typical applications
8.5
.335
Monitoring of the switching position of the circuit breaker or any
connected load.
7.5 7.5
.295 .295
19.8
.780
Ordering information
Internal connection diagram
Type No.
X3120 Module for type 3120 and type 3140
Function
S auxiliary contact module
Contact configuration
0 change-over contact
Terminal design
1 blade terminals 2.8 x 0.5 (QC .110), silver plated
Contact rating
AC
DC (not approved)
Voltage rating Current rating
A 10 V-250 V
B
X3120 - S 0
1
0.1...4 A
line
11
12(i)
Voltage rating Current rating
12 V
24 V
60 V
110 V
220 V
5 V-250 V
0.1...4 A
0.1...4 A
0.1...1 A
0.1...0,5 A
0.1...0.25 A
0.05...1 A
ordering example
12(k)
Voltage ratings
AC 250 V, DC 28 V
AC 250 V
Current ratings
0.05...4 A
0.05...4 A
Voltage rating
Current rating
Typical life
Ambient temperature
Dielectric strength
(IEC 60664 and 60664A)
between main and
auxiliary circuit
Insulation resistance
Vibration
Shock
Corrosion
Humidity
Mass
This is a metric design and millimeter dimensions take precedence ( mm )
inch
05/06(280405)
34
32
22(i)
load
31
22(k)
Technical data
Approvals (complete circuit breaker/module assembly)
Authority
VDE (EN 60934)
UL, CSA
21
Module mounted
5 V-250 V 0.05...1 A
Supply condition
M
module mounted to circuit breaker 3120-...
A M
2
.079
AC 250 V; DC 220 V
0.1...4 A / 0.05...1 A
50,000 operations
-30...+60 °C (-22...+140 °F)
test voltage
AC 3,000 V
> 100 MΩ (DC 500 V)
6 g (type X3120-S...A)
8 g (type X3120-S...B)
(57-500 Hz), ±0.46 mm (10-57 Hz)
to IEC 60068-2-6, test Fc
10 frequency cycles/axis
15 g (11 ms), type X3120-S...A
20 g (11 ms), type X3120-S...B
to IEC 60068-2-27, test Ea
96 hours at 5 % salt mist,
to IEC 60068-2-11, test Ka
240 hours at 95 % RH
to IEC 60068-2-30, test Ca
approx. 38 g (complete assembly)
All dimensions without tolerances are for reference only. In the interest of improved design,
performance and cost effectiveness the right to make changes in these specifications
without notice is reserved.Product markings may not be exactly as the ordering codes.
Errors and omissions excepted.
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Undervoltage Release Module X3120-U...for circuit breaker 3120-F...
Description
Dimensions
A module suitable for all double pole versions of type 3120-F to trip
the main switch/circuit breaker mechanism in the event of loss of
voltage. When the voltage is restored the rocker switch must be reset
to reconnect the load, thereby avoiding the safety hazards associated
with automatic re-starting of machinery.
Note: Basic unit 3120-...-H7 or -G7: screw terminals necessary.
41 +0.1
- 0.2
1.61+.004
- .008
33.5
1.32
1
flat head screw M3.5x5-MS ISO1580
for mains connection
tightening torque max. 0.8 Nm
15
°
7.6
.299
Typical applications
6.6
Machines such as power tools, industrial equipment and domestic
appliances where automatic restart after restoration of power could be
dangerous (EC Machinery Directive)
.260
10.7
.421
21
.827
22
.866
23.5
.925
2 terminals
X3120-U02…
21
.827
blade terminal
DIN 46244-A2.8-0.8
(QC .110)
1 terminal
X3120-U01…
Without terminal(s): X3120-U00…
Ordering information
Internal connection diagrams
12(i)
12(k)
ordering example
Voltage ratings
AC 100...240 V; DC 24 V
AC 100...240 V; DC 24 V
load
22(i)
12(i)
22(k)
12(k)
Voltage ratings
Voltage tolerance
Current consumption
Typical life
Release values
Release delay
Latch-in values
Ambient temperature
Vibration
Shock
Corrosion
Humidity
Mass
This is a metric design and millimeter dimensions take precedence ( mm )
inch
line
11
line
A2s 21
line
line
11 A1 A2
21
load
22(i)
12(i)
22(k)
12(k)
22(i)
load
22(k)
Technical data
Approvals (complete circuit breaker/module assembly)
Authority
VDE (EN 60934)
UL, CSA
21
X3120-U02…
U<
M
line
11
X3120-U01…
U<
X3120 - U 00 00
X3120-U00…
U<
Type No.
X3120 Module for type 3120
Function
U undervoltage release module
Terminal design
00 standard (without separate connections)
01 1 blade terminal 2.8x0.8 (QC .110)
02 2 blade terminals 2.8x0.8 (QC .110)
Voltage ratings
00 AC 230/240 V 50/60 Hz
01 AC 120 V 50/60 Hz
02 AC 100 V 50/60 Hz
03 DC 24 V
Assembly status
M module mounted to the circuit breaker 3120
AC 100, 120 V, 230/240 V 50/60 Hz
DC 24 V
+10%/-15%
approx. 2.5 mA
20,000 operations
0.2 x UN < U < 0.7 x UN
(at a rated voltage of AC 100 V the
device may release at 70 V and
must release at 20 V)
t < 20 ms
≥ 85 % UN
-30...+60 °C (-22...+140 °F)
8 g (57-500 Hz) ±0.61 mm (10-57 Hz)
to IEC 60068-2-6, test Fc
10 frequency cycles/axis
30 g (11 ms)
to IEC 60068-2-27, test Ea
48 hours at 5 % salt mist,
to IEC 60068-2-11, test Ka
240 hours at 95% RH
to IEC 60068-2-30, test Ca
approx. 53 g (complete assembly)
All dimensions without tolerances are for reference only. In the interest of improved design,
performance and cost effectiveness the right to make changes in these specifications
without notice is reserved.Product markings may not be exactly as the ordering codes.
Errors and omissions excepted.
www.e-t-a.com
05/06(280405)
Remote Trip Module X3120-M... for circuit breaker 3120-F...
Description
Dimensions
A module which adds remote trip capability to all versions of type
3120-F. A voltage applied across the coil, by means of an external
sensor for example, will cause disconnection of the main switch/circuit
breaker mechanism.
30
1.18
1
9
.354
Typical applications
Electrical monitoring of safety systems, remote trip.
blade terminals
DIN 46244-C-Ms-S
(QC 2 x.110)
Ordering information
P7
M - 12 V
18
.709
14
.551
Internal connection diagram
Type No.
X3120 Module for type 3120
Function
M magnetic relay trip module
Style
2 magnetic remote trip coil
Terminal design
P7 blade terminals 2 x 2.8 x 0.8 (QC 2x.110) tin plated
Supply condition
M
module mounted to the circuit breaker
Voltage ratings
AC 12, 24, 48, 60, 120, 220, 230, 240 V
DC 12, 24 V
X3120 - M 2
10.7
.421
21
.827
line
21
11
12(i)
12(k)
module
mounted
22(i)
load
FA
22(k)
12(n)
remote trip
12
ordering example
Technical data
Standard voltage ratings and typical internal resistance values
Voltage
rating
(V)
12 V AC/DC
24 V AC/DC
48 V AC
60 V AC
Internal
resistance per
pole (Ω)
0.78
3.3
11.9
18.5
Voltage
rating
(V)
120 V AC
220 V AC
230 V AC
240 V AC
Internal
resistance per
pole (Ω)
71.0
312
312
312
Approvals (complete circuit breaker/module assembly)
Authority
VDE (EN 60934)
UL, CSA
Voltage ratings
AC 12...240 V; DC 12...24 V
AC 12...240 V; DC 12...24 V
This is a metric design and millimeter dimensions take precedence ( mm )
inch
05/06(280405)
Voltage ratings
Power consumption
Pulse operation
Release delay
Typical life
Ambient temperature
Dielectric strength
(IEC 60664 and 60664A)
between main circuit
and trip coil circuit
Insulation resistance
Vibration
Shock
Corrosion
Humidity
Mass
AC 12...240 V; DC 12...24 V
approx. 200 W
20 ms < tON 10 sec
t < 20 ms
50,000 operations at UN
-30...+60 °C (-22...+140 °F)
test voltage
AC 3,000 V
>100 MΩ (DC 500 V)
8 g (57-500 Hz) ±0.61 mm (10-57 Hz)
to IEC 60068-2-6, test Fc
10 frequency cycles/axis
30 g (11 ms) to IEC 60068-2-27, test Ea
96 hours at 5 % salt mist,
to IEC 60068-2-11, test Ka
240 hours at 95 % RH
to IEC 60068-2-30, test Ca
approx. 53 g (complete assembly)
All dimensions without tolerances are for reference only. In the interest of improved design,
performance and cost effectiveness the right to make changes in these specifications
without notice is reserved.Product markings may not be exactly as the ordering codes.
Errors and omissions excepted.
www.e-t-a.com
Mechanical Slide Interlock Module X3120-V...for circuit breaker 3120-F...
Dimensions
5.2
.205
1
8.2
.323
21
.827
13
.512
custom designed part
14
.551
interlock version 01
Typical applications
21
2.9
.114
13
.512
.827
4
.157
8
.315
5
.197
ø4.1
.161
2
.079
Mechanical monitoring of safety systems, e. g. for garden shredders.
11
.433
Ordering information
1.8
.071
Type No.
X3120 Module for type 3120-F
Function
V mechanical slide interlock module
Module operation
1 3120 can only be switched on without the interlock fitted
Interlock design
00 without interlock
01 interlock version 01 (see dimension diagram)
Delivery condition of interlock
L interlock supplied separately with the module
M module factory-fitted with the interlock in its
centre position
O module supplied without interlock
Operating direction of interlock
0 without interlock, or interlock supplied separately
1 interlock operated from the side near terminals
11, 12k, 12i of the 3120-...
2 interlock operated from the side near terminals
21, 22k, 22i of the 3120-...
Assembly status
L
module supplied separately
M module mounted to the circuit breaker
X3120 - V 1
00 0
0
M
18
9.8
.386
Suitable for use with all type 3120-F versions, this module provides a
mechanical safety interlock which, according to the option specified,
prevents the main switch/circuit breaker mechanism from being
reset/switched on. The actuator is intended for use with interlock
systems to ensure that machinery cannot be operated without covers
and safety guards in place, for instance.
.709
Description
3.2
.126
4
.157
21
.827
21
.827
9
.354
8
.315
interlock may be moved in either direction min. 8.5 mm (.335 in.)
max. 10.5 mm (.413 in.)
ordering example
This is a metric design and millimeter dimensions take precedence ( mm )
inch
All dimensions without tolerances are for reference only. In the interest of improved design,
performance and cost effectiveness the right to make changes in these specifications
without notice is reserved.Product markings may not be exactly as the ordering codes.
Errors and omissions excepted.
www.e-t-a.com
05/06(280405)
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