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Panasonic EJ Relays User Manual

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EJ (AEJ)
2. Specifications
Notes: *1 This value can change due to the switching frequency, environmental conditions and desired reliability level, therefore it is recommended to check this with the 
actual load.
*3 Condition: Nominal switching 100cycles, each cut off 800A
*4 When using a surge absorbing element for the relay coil drive circuit, please use with a surge absorbing element with a clamp voltage of 1.5 to 2.0 times the rated 
operating voltage. When the coil is connected in parallel with a diode, resistor or capacitor, the release time will delay which might lead to degradation in shutoff 
performance and electrical life.Contact terminals have polarity; therefore, please obey the wiring diagram when connecting contacts.The electrical load 
performance value applies when a varistor is connected in parallel with the coil.
REFERENCE DATA
Characteristics
Item
Specifications
Rating
Arrangement
1 Form A
Contact voltage drop (Initial)
Max. 0.15V (at 100A)
Contact material
AgCuO type
Nominal switching capacity (resistive load)
100A 100V DC
Max. carrying current/short time carrying current
1,000A (0.1s)
Min. switching capacity (Reference value)*
1
1A 12V DC
Max. cut-off current
800A 100V DC/3 cycle*
3
Overload opening rating
300A 150V DC/10 cycle
Electrical 
characteristics
Insulation resistance (Initial)
Min. 100M
Ω (at 500V DC) 
Measurement at same location as “Initial breakdown voltage” section.
Breakdown voltage 
(Initial)
Between open contacts
1,500 Vrms for 1min. (Detection current: 10mA.)
Between contact and coil
2,500 Vrms for 1min. (Detection current: 10mA.)
Operate time (at 20
°C 
68
°F
)
Max. 30ms (Nominal voltage applied to the coil, excluding contact bounce time)
Release time (at 20
°C 
68
°F
)
Max. 15ms (Nominal voltage applied to the coil)
Mechanical 
characteristics
Shock resistance
Functional
Min. 500 m/s
2
 (Nominal voltage applied to the coil)
Min. 50 m/s
2
 (deenergized) (Half-wave pulse of sine wave: 11 ms; detection time: 10
µs.)
Destructive
Min. 1000 m/s
2
 (Nominal voltage applied to the coil or deenergized.) 
(Half-wave pulse of sine wave: 6 ms)
Vibration resistance
Functional
10 to 200Hz, 44.1m/s
2
 (Nominal voltage applied to the coil or deenergized)
Destructive
10 to 200Hz, 44.1m/s
2
 (Nominal voltage applied to the coil or deenergized)
(Time of vibration for each direction; X, Y, Z direction: 4 hours)
Expected life
Mechanical
Min. 10
6
Electrical
Min. 10
4
 (at 100A 100V DC) 
(Resistive load, operating frequency 1s ON, 9s OFF, room temperature)
Conditions
Conditions for operation, transport and storage*
2
Ambient temperature: –40
°C to +85°C 
–40
°F to +185°F
Unit weight
Approx. 300g 
10.58oz
1. Maximum value for switching capacity
2. Carrying current limit
Connection electric wire: 40mm
2
Ambient temperature: 85
°C 
185
°F
Standard for judgment: Relay contacts off when 
carrying finished.
Carrying current and  carrying time
1,000
100
10
10
100
1,000
Contact voltage, V
Contact current, A
DC resistive load
0.1
1
10
10000
1000
100
0
200
400
600
800
1000 1200
Carrying current, A
Carrying time, s
3. Distribution of pick-up and drop-out voltages
Tested sample: AEJ11012, 50 pcs.
4. Distribution of operate time
Tested sample: AEJ11012, 50 pcs.
5. Distribution of release time
Tested sample: AEJ11012, 50 pcs.
0
15
10
5
20
25
3.0
2.0
1.5
1.0
2.5
3.5
4.5 5.0
4.0
5.5 6.0
7.0
6.5
Pick-up
voltage
Drop-out
voltage
)
(20
°C
68
°F
Voltage, V
Quantity
0
5
10
15
20
13.0
11.0
10.0
12.0
14.0
16.0 17.0
15.0
18.0 19.0 20.0
Time, ms
Quantity
)
(20
°C
68
°F
0
5
10
15
25
20
1.5
0.5
0.0
1.0
2.0
3.0 3.5
2.5
4.0 4.5 5.0
Time, ms
Quantity
)
(20
°C
68
°F
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