JA
1 HORSE-POWER
COMPACT POWER RELAYS
30.1
1.185
30.1
1.185
34.7
1.366
TMP type
UL File No.: E43028
CSA File No.: LR26550
34.7
1.366
28.5
1.122
JA-RELAYS
28.5
1.122
TM type
mm inch
• High switching capacity — 55 A inrush, 15 A steady state
inductive load (1 Form A)
• Particularly suitable for air conditioners, dish washers,
microwave ovens, ranges, central cleaning systems,
copiers, facsimiles, etc.
• Two types available
“TM” type for direct chassis mounting
“TMP” type for PC board mounting
• TV-rated types available
• TÜV also approved
SPECIFICATIONS
Contact
Characteristics
Arrangement
Maximum operating speed
Initial insulation resistance*1
Between open contacts
Initial breakdown voltage*2 Between contacts and coil
Surge voltage between
contacts and coil*3
Operate time*4
(at 20°C) (at nominal voltage)
Release time(without diode)*4
(at 20°C) (at nominal voltage)
1 Form A, 1 Form B, 1 Form C
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
30 mΩ
Silver alloy
Contact material
Maximum switching power
3,750 VA
Rating
(resistive Maximum switching voltage
load)
Max. switching current
250 V AC
15A
5×106
Mechanical (at 180 cpm.)
1 Form A (Inrush 55 A,
Expected
Steady 15 A 250 VAC
life (min.
Electrical cosϕ = 0.7)
operations) (at 20 cpm.) 1 Form B, 1 Form C
(15 A 250 VAC,
cosϕ = 1)
5×105
Shock
resistance
Approx. 10 ms*5
Approx. 2 ms*5
Nominal operating
power
DC type
1.2 W
AC type
1.4 VA (50 Hz)/1.3 VA (60 Hz)
Minimum operating
power
DC type
0.77 W
AC type
0.90 VA (50 Hz)/0.84 VA (60 Hz)
Vibration
resistance
Remarks
*1 Measurement at same location as “Initial breakdown voltage” section
*2 Detection current: 10mA
*3 Wave is standard shock voltage of ±1.2 × 50µs according to JEC-212-1981
*4 Excluding contact bounce time
*5 For the AC coil types, the operate/release time will differ depending on the phase.
*6 Half-wave pulse of sine wave: 11ms; detection time: 10µs
*7 Half-wave pulse of sine wave: 6ms
*8 Detection time: 10µs
*9 Refer to 6. Usage, transport and storage conditions NOTES (Page 8)
Max. 70°C
Functional*6
98 m/s2 {10 G}
Destructive*7
980 m/s2 {100 G}
Functional*8
88.2 m/s2 {9 G}, 10 to 55 Hz
at double amplitude of 1.5 mm
Destructive
117.6 m/s2 {12 G}, 10 to 55 Hz
at double amplitude of 2.0 mm
Coil
Air conditioners, microwave ovens, load
management equipment, copiers,
process control equipment
Min. 5,000 V
Temperature rise (at 50°C)
(resistive)
105
TYPICAL APPLICATIONS
20 cpm.
Min. 100 MΩ at 500 V DC
1,500 Vrms
2,000 Vrms
Ambient
Conditions for operation,
–10°C to +50°C +14°F to +122°F
transport and storage*9
temp.
(Not freezing and condensHumidity
5 to 85%R.H.
ing at low temperature)
44 g 1.55 oz
Unit weight
ORDERING INFORMATION
Ex. JA
1a
TM
DC12V
P
Contact
arrangement
Mounting classification
Coil voltage
Classification
1c: 1 Form C
1a: 1 Form A
1b: 1 Form B
TM: Solder Terminal
TMP: Solder Teminal
and PCB Teminal
DC 6, 12, 24 V
AC 6, 12, 24, 115 V
Nil: Standard type
P: Up-graded contact
rating type
(See next page)
(Notes) 1. For UL/CSA recognized types, add suffix UL/CSA.
(Notes) 2. Standard packing Carton: 20 pcs.; Case: 200 pcs.
JA
COIL DATA
DC Type at 20°C 68°F
Nominal
voltage
Pick-up voltage
(max.)
6 V DC
Drop-out* voltage
(min.)
Coil resistance,
W (±10%)
Nominal operating
current, mA (±10%)
Nominal operating
power
Maximum allowable
voltage (at 60°C)
4.8 V DC
0.6 (0.3*) V DC
30
200
1.2 W
6.6 V DC
12
9.6
1.2 (0.6*)
120
100
1.2
13.2
24
19.2
2.4 (1.2*)
480
50
1.2
26.4
AC Type at 20°C 68°F
Nominal
voltage
Pick-up voltage
(max.)
6 V AC
Drop-out* voltage
(min.)
4.8 V AC
Coil resistance,
W (±10%)
1.8 V AC
—
Nominal operating
current, mA (±10%)
50 Hz
60 Hz
Nominal operating
power
50 Hz
60 Hz
233
217
1.4 VA
1.3 VA
Maximum allowable
voltage (at 60°C)
6.6 V DC
12
9.6
3.6
—
117
108
1.4 VA
1.3 VA
24
19.2
7.2
—
58
54
1.4 VA
1.3 VA
26.4
34.5
—
12
11
1.4 VA
1.3 VA
126.5
115
92
13.2
* Drop-out voltage for 1 Form B type is 5% of nominal voltage.
NOTES
3. When the operating voltage of AC relays drops below 80%
of the nominal coil voltage. The relay will generate a considerable amount of heat which is not recommended for maximum
efficiency.
1. The range of coil current for AC relay is ±15% (60 Hz). For
DC relay it is ±10% at 20°C.
2. The JA relay will operate in a range from 80% to 110% of
the nominal coil voltage. It is however, recommended that the
relay be used in the range of 85% to 110% of the nominal coil
voltage, with the temporary voltage variation taken into consideration.
4. The coil resistance of DC types is the measured value of
the coil at a temperature of 20°C (68°F). If the coil temperature changes by ±1°C. The measured value of the coil resistance should be increased or decreased by 0.4%.
ADDITIONAL SERIES
1. Following up-graded contact rating types recognized by
UL are available. (For use in office appliances)
Suffix
Contact
arrangement
P
(Ex. JA 1a - TM DC12V -P)
1 Form C
25 A 250 V AC, 1 HP 125, 250 V AC
1 Form A
25 A 250 V AC, 1 HP 125, 250 V AC
1 Form B
25 A 250 V AC, 1 HP 125, 250 V AC
DIMENSIONS
TM
2. TV-Rated Series
Contact
arrangement
1 Form A
Suffix
UL
CSA
TV
TV
TV-5
TV-5
mm inch
Schematic (Bottom view)
4.5
.177
COM
1 Form A
COM
N.O.
50
1.969
43.5
1.713
COM
2.
25
1 Form B
R
N.C.
34.7
1.366
30.1
1.185
COM
2
.079
37.8
6.5
.256 1.488
1 Form C
N.C.
N.O.
9.3
.366
12.7
.500
FASTON 250
21.5
.846
FASTON 187
Mounting hole location
COM
NC
NO
Terminals—.187″ quick connect terminals for
coil and .250″ for contacts
Remarks
Above dimensions are for 1 Form C type.
For 1 Form A type, NC terminal is removed
For 1 Form B type, NO terminal is removed.
General tolerance: ±0.3 ±.012
43.5±0.1
1.713±.004
2-4.5±0.1 DIA.
2-.177±.004 DIA.
Tolerance:
±0.1 ±.004
JA
TMP
mm inch
4.5
.177
0.5±0.1
.020±.004
0.5±0.1
.020±.004
Schematic
Bottom view
Top view
COM
COM
1 Form A
50
1.969
43.5
1.713
N.O.
COM
25
Bottom view
R
2.
0.8±0.1
.031±.004
25.4
1.000
34.7
1.366
14
.551
1.5
.059
30.1
1.185
COM
3.5
.138
N.C.
Bottom view
9.3
.366
FASTON 250
COM
1 Form B
2
.079
37.8
1.488
12.7
.500
Top view
Top view
COM
COM
1 Form C
21.5
.846
N.O. N.C.
COM
NC
Terminals—PC board terminals for coils and
.250″ quick connect terminals for contacts
Mounting hole location
General tolerance: ±0.3 ±.012
NO
3-2±0.1 DIA.
3-.079±.004 DIA.
43.5±0.1
1.713±.004
14±0.1
.551±.004
2-4.5±0.1 DIA.
2-.177±.004 DIA.
Remarks
Above dimensions are for 1 Form C type.
For 1 Form A type, NC terminal is removed
For 1 Form B type, NO terminal is removed.
25.4±0.1
1.000±.004
Tolerance:
±0.1 ±.004
REFERENCE DATA
AC resistive load
500
100
10
5
DCresistive load
3.-(1) Coil temperature rise (1a-AC type)
Point measured: Inside the coil
Ambient temperature: 25°C 77°F
Life ×104
Contact current, A
20
2. Life curve (Common for 1a, 1b, and 1c)
1
250 V AC resistive load
30 V DC resistive load
100
50
Temperature rise, °C
1. Maximum value for switching capacity
(Common for 1a, 2b, and 1c)
Contact current 15A
80
10A
0A
60
40
0.5
20
0
30 50 100 200 400 500
0
2
4
6
0
8 10 12 14 16 18 20 22
Contact voltage, V
80
Contact current, A
3.-(2) Coil temperature rise (1a-DC type)
4.-(1) Operate time (1a-AC type)
90
100
110
120
Coil applied voltage, %V
4.-(2) Operate time (1a-DC type)
Point measured: Inside the coil
Ambient temperature: 25°C 77°F
10A
0A
60
40
20
20
18
18
16
14
12
Max.
10
8
6
20
Min.
4
2
0
80
90
100
110
120
Coil applied voltage, %V
0
Operating time, ms
Contact current 15A
80
Operating time, ms
Temperature rise, °C
100
16
14
12
10
Max.
Min.
8
6
4
2
80
90
100
110
120
Coil applied voltage, %V
0
80
90
100 110 120
Coil applied voltage, %V
5.-(1) Release time (1a-AC type)
5.-(2) Release time (1a-DC type)
20
5
16
14
12
Max.
10
8
Release time, ms
Release time, ms
18
4
3
Max.
Min.
2
6
4
1
2
100
110
120
0
80
90
Coil applied voltage, %V
100
110
120
Coil applied voltage, %V
6.-(1) Electrical life (15 A 250 V AC resistive)
TEST RESULT:
1. Tested sample: JA1c-TMP-AC115V
2. Load: 15 A 250 V AC resistive load
3. Cycle rate: 20 cpm.
4. Circuit:
1. Pick-up and drop-out voltage
2. Contact resistance
80
Pick-up voltage
70
Max.
Max.
Min.
Min.
N.C.
15 A
N.C.
15 A
Voltage, *%
60
250 V AC
Drop-out voltage
50
40
30
20
10
0
10
30
4
No. of operations, ×10
50
* This shows percent rate against nominal coil voltage.
6.-(2) Electrical life (15 A 250 V AC Motor
simulated load)
250 V AC
L
R
Mean
value
N.C. contact
10
0
Min.
10
50
N.C. contact
10
0
30
No. of operations, ×104
10
Mean
value
50
30
No. of operations, ×104
3. No abnormality was observed in either insulation
resistance or breakdown voltage.
10
10
9
Pick-up voltage
8
Max.
Mean value
Min.
7
6
5
4
3
L
30
Max.
1. Pick-up and drop-out voltage
Voltage, %
R
30
2. Contact resistance
TEST RESULT:
1. Tested sample: JA1a-TM-DC12V
2. Load: 250 V AC inductive load (cosϕ = 0.7)
15 A steady and 55 A (0.3s*) inrush current
3. Cycle rate: 20 cpm.
4. Circuit:
N.O.
Contact resistance, mΩ
90
Contact resistance, mΩ
80
2
Drop-out voltage
1
0
Contact resistance, mΩ
0
Min.
N.O. contact
5
Max.
Mean value
Min.
0
5
No. of operations, ×104
Max.
Mean value
Min.
10
5
No. of operations, ×10
10
4
3. No abnormality was observed in either insulation
resistance or breakdown voltage.
For Cautions for Use
6/1/1999
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