Panasonic Switch EJ Relays User Manual

100A 100V DC  
HIGH VOLTAGE RELAY  
EJ RELAYS (AEJ)  
FEATURES  
1. Compact and high capacity using  
double contacts in series and  
permanent magnet installed.  
1) Nominal switching capacity (resistive  
load): 100A 100V DC, Min. 104  
2) Max. cut-off current: 800A 100V DC  
2. Compact and lightweight for space  
savings.  
TYPICAL APPLICATIONS  
Quick recharging power supplies for  
AGVs (automatic guided vehicle), UPS  
(uninterruptible power supplies), Fuel  
cell, Combined heat/power generation  
system, etc.  
70mm (L) × 80mm (W) × 34mm (H)  
2.756inch (L) × 3.150inch (W) ×  
1.339inch (H)  
3. Environmentally friendly  
In consideration of the environment,  
cadmium-free contacts, lead-free solder  
are used.  
RoHS Directive compatibility information  
ORDERING INFORMATION  
AEJ  
EJ Relay  
Contact arrangement  
1: 1 Form A  
Contact capacity  
1: 100 A (100 V)  
Operating function  
0: Single side stable  
Coil voltage (DC)  
12: 12, 24: 24  
TYPES  
Contact arrangement  
Coil voltage  
12V DC  
Protective construction  
Terminal shape  
Screw terminal  
Part No.  
AEJ11012  
AEJ11024  
1 Form A  
Dust cover  
24V DC  
Standard packing: Carton: 1 pc.; Case: 20 pcs.  
RATING  
1. Coil data  
Pick-up voltage  
Drop-out voltage  
(at 20°C 68°F)  
(Initial)  
Nominal operating  
power  
(at 20°C 68°F)  
Nominal coil  
(at 20°C 68°F)  
voltage  
Nominal coil current  
[ 10%] (at 20°C 68°F) [ 10%] (at 20°C 68°F)  
Coil resistance  
Max. allowable voltage  
(at 20°C 68°F)  
(Initial)  
12V DC  
24V DC  
Max. 9.0V DC  
Max. 18.0V DC  
Min. 1.0V DC  
Min. 2.0V DC  
417mA  
208mA  
28.8Ω  
115Ω  
5.0W  
5.0W  
150%V of  
nominal voltage  
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.  
 
EJ (AEJ)  
6. Functional shock resistance  
Deenengized condition  
Energized condition  
Tested sample: AEJ11012, 3 pcs.  
Half-wave pulse of sine wave: 11 ms  
Detection time: 10µs.  
Applied direction: 6 directions  
Applied cycle: Each of 3 cycles  
Z'  
Y
1,000m/s2  
Z
X
Y'  
Y
X'  
X
Z
1,000m/s2  
1,000m/s2  
1,000m/s2  
Z'  
1,000m/s2  
X'  
1,000m/s2  
Y'  
DIMENSIONS (Unit: mm inch)  
External dimensions  
Schematic (Top view)  
71.4  
2.811  
58.4  
2.299  
2 (–)  
1 (+)  
36.0  
1.417  
Coil terminal  
Coil terminal  
3.7  
.146  
3.7  
.146  
(–)  
(+)  
+1.0  
Mounting hole pattern (Top view)  
2-M6  
2-M.236  
33.6  
1.323  
0.5  
+.039  
.020  
66.0  
2.598  
2-5.3  
2-.209  
31.5  
1.240  
+0.3  
2-5.3 dia.  
0.1  
+.012  
70.0  
2.756  
2-.209  
dia.  
.004  
Tolerance: 0.1 .004  
37.5  
1.476  
27.0  
1.063  
10.0  
.394  
>
<
Tolerance:  
Max. 10mm .394inch:  
10 to 50mm .394 to 1.969inch: 0.6 .024  
Min. 50mm 1.969inch: 1.0 .039  
52.0  
0.3 .012  
15.0  
.591  
2.047  
66.0 0.3  
+1.0  
34.0  
1.339  
0.5  
2.598 .012  
+.039  
.020  
80.0  
3.150  
300 20  
11.811 .787  
Notes: 1. Please be warned that contact terminals have polarity. There is no polarity in the coil input line.  
2. We will make separate consideration if a coil lead wire connector is desired.  
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.  
 
EJ (AEJ)  
NOTES  
1.To ensure proper operation, the  
voltage applied to the coil should be  
the rated operating voltage of the coil.  
Also, be aware that the pick-up and  
drop-out voltages will fluctuate  
depending on the ambient  
9. If the power is turned off and then  
immediately on after applying the  
rated voltage (current) continuously to  
the relay’s coil and contact, the  
resistance of the coil will increase due  
to a rise in the coil temperature.This  
causes the pick-up voltage to rise, and  
possibly exceed the rated pick-up  
voltage. In these circumstances, take  
measures such as reducing the load  
current, limiting the duration of  
current flow, and applying a coil  
voltage higher than the rated  
operating voltage (quick start).  
10. If you are using an inductive load  
(L load) such that L/R > 1 ms, add  
surge protection in parallel with the  
inductive load. If this is not done, the  
electrical life will decrease and cut-off  
failure may occur.  
11. Be careful that foreign matter and  
oils and fats kind doesn’t stick to the  
main terminal part because it is likely  
to cause a terminal part to give off  
unusual heat.  
12. Avoid excessive load applied to  
the terminal in case of installing such  
as a bus bar etc., because it might  
give bad influence to the opening and  
closing performance.  
13. Usage, transport and storage  
conditions  
Ambient temperature, humidity, and  
atmospheric pressure during usage,  
transport, and storage of the relay:  
1) Temperature: –40 to +85°C –40 to  
+185°F  
temperature and operating conditions.  
2. Heat, smoke, and even a fire may  
occur if the relay is used in conditions  
outside of the allowable ranges for the  
coil ratings, contact ratings, operating  
cycle lifetime, and other  
specifications.Therefore, do not use  
the relay if these ratings are exceeded.  
3. If the relay has been dropped, the  
appearance and characteristics  
should always be checked before use.  
4.This relay is for DC loads. Do not  
use it for AC load switching.  
5. Make sure that the relay is wired  
correctly. Incorrect wiring may cause  
unexpected events or the generation  
of heat or flames.  
6. We recommend you use a surge  
absorbing element with a clamp  
voltage of 1.5 to 2.0 times the rated  
operating voltage for the relay coil  
drive circuit as a means for relay coil  
surge absorption. Please avoid the  
use of diodes, capacitors and  
2) Humidity: 5 to 85% RH  
(Avoid freezing and condensation.)  
3) Atmospheric pressure: 85 to 106 kPa  
Temperature and humidity range for  
usage, transport, and storage:  
Humidity, %R.H.  
85  
Tolerance range  
(Avoid freezing when  
used at temperatures  
lower than 0°C 32°F)  
(Avoid  
condensation when  
used at temperatures  
higher than 0°C 32°F)  
5
–40  
0
+85  
–40  
+32  
+185  
Temperature, °C °F  
4) Condensation  
Condensation forms when there is a  
sudden change in temperature under  
high temperature and high humidity  
conditions. Condensation will cause  
deterioration of the relay insulation.  
5) Freezing  
resistors because they lead to  
degradation in cut-off performance.  
7. Avoid mounting the relay in strong  
magnetic fields (near a transformer or  
magnet) or close to an object that  
radiates heat.  
Tighten each of the screws within the  
rated ranges given below.  
Main terminal (M6 screw):  
6.0N·m to 8.0N·m  
Main unit mounting (M5 screw):  
2.5N·m to 3.6N·m  
Condensation or other moisture may  
freeze on the relay when the  
temperatures is lower than 0°C 32°F.  
This causes problems such as sticking of  
movable parts or operational time lags.  
6) Low temperature, low humidity  
environments  
The plastic becomes brittle if the relay is  
exposed to a low temperature, low  
humidity environment for long periods of  
time.  
8. Electrical life  
This relay is a high-voltage direct-current  
switch. In its final breakdown mode, it  
may lose the ability to provide the proper  
cut-off. Therefore, do not exceed the  
indicated switching capacity and life.  
(Please treat the relay as a product with  
limited life and replace it when  
necessary.)  
In the event that the relay loses cut-off  
ability, there is a possibility that burning  
may spread to surrounding parts, so  
configure the layout so that the power is  
turned off within one second.  
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.  
 

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