https://www.phoenixcontact.com/gb/products/2905744
Electronic device circuit breaker - CBM E8 24DC/0.5-10A NOR - 2905744
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Multi-channel, electronic device circuit breaker with active current limitation for protecting eight loads at 24 V
DC in the event of overload and short circuit. With nominal current assistant and electronic locking of the set
nominal currents. For installation on DIN rails.
Why buy this product
For protection against voltage dips caused by overload and short circuit
Precise nominal current levels of 0.5 to 10 A
Integrated dynamic current limitation
Electronic locking mechanism to increase system safety
Early warning when exceeding 80% of the set nominal current per channel
Supply up to 80 A possible
Sophisticated remote signaling concept enables monitoring from any location
Slim design
Key Commercial Data
Packing unit
1 STK
GTIN
GTIN
4046356992367
Weight per Piece (excluding packing)
321.400 g
Custom tariff number
85362010
Country of origin
Germany
Technical data
Dimensions
Height
130 mm
Width
41 mm
Depth
121 mm
Ambient conditions
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Electronic device circuit breaker - CBM E8 24DC/0.5-10A NOR - 2905744
Technical data
Ambient conditions
Ambient temperature (operation)
-25 °C ... 70 °C (Startup at -40 C type-tested)
-25 °C ... 65 °C (for UL 2367)
Ambient temperature (storage/transport)
-40 °C ... 80 °C
Humidity test
240 h, 95% RH, 40°C
Altitude
6000 m
Shock (operation)
30g
Degree of protection
IP20
General
Mounting type
DIN rail: 35 mm
Protection class
III
Degree of pollution
2
Type
DIN rail module, one-piece
Electrical data
Fuse type
electronic
Rated surge voltage
0.5 kV
Operating voltage
18 V DC ... 30 V DC
Rated voltage
24 V DC
Rated current IN
max. 80 A DC (for double supply IN+ with at least 2 x 6 mm²)
max. 40 A DC (Per terminal position)
max. 70 A DC (for UL 2367)
0.5 / 1 / 2 / 4 / 6 / 10 A DC (adjustable per output channel)
Measuring tolerance I
typ. 40 % (0.5 ... 1 A)
typ. 10 % (2 - 10 A)
Rated insulation voltage Ui
30 V (Load circuit)
Feedback resistance
max. 35 V DC
Switch-on delay
0.1 s (per output channel)
Required backup fuse
not required, integrated failsafe element
Internal output fuse
15 A DC (per output channel)
Active current limitation
typ. 2.0 x IN (0.5 - 1 A)
typ. 1.5 x IN (2 - 10 A)
Status display
LED (green, yellow, red)
Efficiency
> 99 %
Closed circuit current I0
typ. 50 mA
Power dissipation
1.2 W (No-load operation)
17.2 W (Nominal operation)
Module initialization time
3.3 s
Waiting time after switch off of a channel
10 s (of overload / short circuit)
Temperature derating
40 A DC (at 70°C (65°C for UL 2367))
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Electronic device circuit breaker - CBM E8 24DC/0.5-10A NOR - 2905744
Technical data
Electrical data
50 A DC (at 60 °C)
60 A DC (at 50 °C)
70 A DC (at 40 °C)
80 A DC (at 40 °C)
70 A DC (at 40°C for UL 2367)
Tripping method
E (electronic)
Dielectric strength
max. 30 V DC (Load circuit)
Contact type
without electrical isolation
MTBF (IEC 61709, SN 29500)
1304293 h (at 25 °C)
858501 h (at 40 °C)
440048 h (at 60 °C)
Shutdown time load circuit
0.02 s (> 1.3 x IN)
30 s (1,1 ... 1,3 x IN)
Undervoltage shutdown load circuit
≤ 17.8 V DC (active)
≥ 19 V DC (inactive)
Surge voltage shutdown load circuit
≥ 30.5 V DC (active)
≤ 29.5 V DC (inactive)
Max. capacitive load load circuit
75000 µF (per channel at 24 V DC)
Output voltage status output
24 V DC
Output current status output
max. 20 mA (when I > 80% at at least one channel)
Input voltage reset input
7 V DC ... 30 V DC (Falling edge)
Vibration resistance, frequency
15 Hz ... 150 Hz
Vibration resistance, acceleration
39.2 m/s²
Vibration resistance, test duration
90 min.
Remote indication contact
Connection name
Remote indication circuit
Switching function
N/O contact
Stripping length
10 mm
Conductor cross section solid
0.2 mm² ... 2.5 mm²
Conductor cross section AWG
24 ... 12
Conductor cross section, flexible, with ferrule, with plastic sleeve
1.5 mm² ... 0.25 mm²
Conductor cross section flexible, with ferrule without plastic sleeve
0.25 mm² ... 2.5 mm²
DC operating voltage
0 V DC ... 30 V DC
DC operating current
1 mA DC ... 100 mA DC
Connection data
Connection name
Main circuit IN+
Connection method
Push-in connection
Stripping length
18 mm
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Electronic device circuit breaker - CBM E8 24DC/0.5-10A NOR - 2905744
Technical data
Connection data
Conductor cross section solid
0.75 mm² ... 16 mm²
Conductor cross section AWG
20 ... 4
Conductor cross section, flexible, with ferrule, with plastic sleeve
0.75 mm² ... 10 mm²
Conductor cross section flexible, with ferrule without plastic sleeve
0.75 mm² ... 16 mm²
Connection name
Main circuit IN-
Connection method
Push-in connection
Stripping length
10 mm
Conductor cross section solid
0.2 mm² ... 2.5 mm²
Conductor cross section AWG
24 ... 12
Conductor cross section, flexible, with ferrule, with plastic sleeve
0.25 mm² ... 1.5 mm²
Conductor cross section flexible, with ferrule without plastic sleeve
0.25 mm² ... 2.5 mm²
Connection name
Main circuit OUT
Connection method
Push-in connection
Stripping length
10 mm
Conductor cross section solid
0.2 mm² ... 2.5 mm²
Conductor cross section AWG
24 ... 12
Conductor cross section, flexible, with ferrule, with plastic sleeve
0.25 mm² ... 1.5 mm²
Conductor cross section flexible, with ferrule without plastic sleeve
0.25 mm² ... 2.5 mm²
Standards and Regulations
Standards/specifications
EN 61000-6-2
EN 61000-6-3
EN 60068-2-6
EN 60068-2-11
EN 60068-2-78
Environmental Product Compliance
China RoHS
Environmentally friendly use period: unlimited = EFUP-e
No hazardous substances above threshold values
Drawings
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Electronic device circuit breaker - CBM E8 24DC/0.5-10A NOR - 2905744
Diagram
t
s
Diagram
t
s
1000
1000
2 ... 10 A
0,5 ... 1 A
100
100
10
10
1
1
0,1
0,1
0,01
0,01
0,5
2
1,1
1,3
1,5
x IN
Trigger characteristic in the DC range
1,5
1,1
1,3
2
x IN
Trigger characteristic in the DC range
Dimensional drawing
41
0,5
Product drawing
121
1
0,5
1
10
6
2
0,5
1
10
6
3
0,5
1
10
6
4
0,5
1
10
6
5
0,5
1
10
6
RST 6
0,5
1
1
2
4
2
1
0,5
2
0,5
1
10
6
3
0,5
1
10
6
4
0,5
1
10
6
5
0,5
1
10
6
RST 6
0,5
1
I>
80%
10
6
1
1
10
6
3
2
4
OUT+
3
2
OUT+
4
4
5
2
4
2
2
4
5
2
4
4
6
7
6
2
4
13
2
2
4
4
8
2
4
7
0,5
1
10
6
8
0,5
1
10
6
2
4
1
2
4
2
SIGNALS
14
DC OK
IN-
7
130
SIGNALS
8
IN+
1
2
4
14
2
4
I>
80%
10
6
7
0,5
1
10
6
8
0,5
1
10
6
2
IN-
DC OK
4
1
2
4
2
1
IN+
2
13
2
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Electronic device circuit breaker - CBM E8 24DC/0.5-10A NOR - 2905744
Application drawing
1
1
0,5
1
10
6
2
0,5
1
3
0,5
1
10
6
0,5
1
2
4
2
3
2
OUT+
4
10
6
4
5
2
4
6
7
4
2
4
13
14
SIGNALS
24-28V
N/-
+
-
6
1
10
6
RST 6
0,5
1
I>
80%
10
6
2
4
14
2
4
7
0,5
1
10
6
8
0,5
1
+
Reset
2
4
1
2
4
10
6
2
1
IN+
L/+
Output DC 24V 20A
Input AC 100-240V
IN-
+
5
0,5
13
DC OK
L
N
PE
10
8
DC OK
2
-
I>80%
Group
message
Classifications
eCl@ss
eCl@ss 5.1
27141116
eCl@ss 6.0
27141116
eCl@ss 8.0
27141116
eCl@ss 9.0
27141116
ETIM
ETIM 5.0
EC000899
ETIM 6.0
EC000899
UNSPSC
UNSPSC 13.2
39121410
Approvals
Approvals
Approvals
UL Listed / cUL Listed / UL Recognized / EAC / DNV GL / cULus Listed
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https://www.phoenixcontact.com/gb/products/2905744
Electronic device circuit breaker - CBM E8 24DC/0.5-10A NOR - 2905744
Approvals
Ex Approvals
UL Recognized / UL Listed / cUL Listed / cULus Listed
Approval details
UL Listed
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
FILE E 123528
cUL Listed
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
FILE E 123528
UL Recognized
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm
FILE E 317172
EAC
RU CDE.A*30.B01561
http://exchange.dnv.com/tari/
TAA00000U2
DNV GL
cULus Listed
Accessories
Accessories
Power supply
Power supply unit - TRIO-PS-2G/1AC/24DC/3/C2LPS - 2903147
Primary-switched TRIO POWER power supply with push-in connection for DIN rail mounting, input: 1-phase, output:
24 V DC/3 A C2LPS
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https://www.phoenixcontact.com/gb/products/2905744
Electronic device circuit breaker - CBM E8 24DC/0.5-10A NOR - 2905744
Accessories
Power supply unit - TRIO-PS-2G/1AC/24DC/5 - 2903148
Primary-switched TRIO POWER power supply with push-in connection for DIN rail mounting, input: 1-phase, output:
24 V DC/5 A
Power supply unit - TRIO-PS-2G/1AC/24DC/10 - 2903149
Primary-switched TRIO POWER power supply with push-in connection for DIN rail mounting, input: single phase,
output: 24 V DC/10 A
Power supply unit - TRIO-PS-2G/1AC/24DC/20 - 2903151
Primary-switched TRIO POWER power supply with push-in connection for DIN rail mounting, input: single-phase,
output: 24 V DC/20 A
Power supply unit - TRIO-PS-2G/3AC/24DC/5 - 2903153
Primary-switched TRIO POWER power supply with push-in connection for DIN rail mounting, input: 3-phase, output:
24 V DC/5 A
Power supply unit - TRIO-PS-2G/3AC/24DC/10 - 2903154
Primary-switched TRIO POWER power supply with push-in connection for DIN rail mounting, input: 3-phase, output:
24 V DC/10 A
08/28/2017 Page 8 / 9
https://www.phoenixcontact.com/gb/products/2905744
Electronic device circuit breaker - CBM E8 24DC/0.5-10A NOR - 2905744
Accessories
Power supply unit - TRIO-PS-2G/3AC/24DC/20 - 2903155
Primary-switched TRIO POWER power supply with push-in connection for DIN rail mounting, input: 3-phase, output:
24 V DC/20 A
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