Electronic Magnetic Latching Relay 12V 24V 120A 250VAC WM831

WM831

-12

- A

-2

      -R

-A

  - (XXX)  

1

 2

 3

4

 5

 6

        7 

1 Part number: WM831;

2 Coil rated Voltage(VDC): 6,12,24,48

3 Contact form: A: 1A;

4 Coil connection method:1: 1 coil latching;  2: 2 coil latching

5 Polarity:  R: Negative polarity;  Nil: Positive polarity

6 Version: A: Type A contact terminal;

                     B: Type B contact terminal

7 Customer special code

Contact Form

1A(SPSTNO)

Contact Material

Silver Alloy

Contact Rating (resistive)

120A  250VAC

Max. Switching Voltage

400VAC

Max. Switching Current

120A

Max. Switching Power

30000VA

Contact Resistance or Voltage drop

≤30mΩ   (at 1A 24VDC)   

Coil Rated voltage

(VDC)

Coil resistance

Ω±10%

Pickup voltage

VDC(max)

Pulse magnitude

(ms)

Coil power

Operate Time

Release Time

6V

1 coil
latching

18

4.8V

100

2W

≤12 ms

≤6 ms

12V

72

9.6V

100

24V

288

19.2V

100

48V

1152

38.4V

100

6V

2 coil
latching

2×9

4.8V

100

2×4W

≤12 ms

≤6 ms

12V

2×36

9.6V

100

24V

2×144

19.2V

100

48V

2×576

38.4V

100

Insulation Resistance

1000MΩ min(at 500VDC)                

Dielectric Strength

Between Contacts

50Hz  2000VAC / 1 minute

Between Coil and Contacts

50Hz  4000VAC / 1 minute

Creepage distance

8mm

Shock resistance 

Functional 100m/s²;  Survival:1000 m/s²  11ms

Vibration resistance

10~55Hz  double amplitude  1.5mm 

Terminals strength

100N     

Solderability

235℃±2℃   3±0.5s

Ambient Temperature

-40℃ ~ +85℃      

Relative Humidity

85% (at 40℃)

Dimensions / Wiring diagram (Bottom views)