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LW708C 40/50A MAGNETIC LATCHING RELAYS
    Publish time 2021-11-16 16:20    

LW708C 40/50A MAGNETIC LATCHING RELAYS

LW708C 40/50A MAGNETIC LATCHING RELAYS



◆ Characteristic

＞ Small size, 40/50A switching capability.

＞ Low coil consumption, ultra-low temperature rise.

＞ Low contact resistance.

＞ Strong anti-shock and anti-vibration capability.

＞ Outline size: 39×30.2×15mm.

◆ Ordering Information

3-NRL708C

Latching Relay

Part Number

Coil Voltage

D= Double Coil; S= Single Coil

1= 1A/1B without test lever

2= 1A/1B with test lever

3= 1C without test lever

4= 1C with test lever

50=50A，40=40A

Characteristics


Insulation resistance

1000MΩ (500VDC)

DielectricStrength

BetweenCoil&Contacts

4000VAC 1min

Between Open Contacts

1500VAC 1min

Operate Time

15msec. Max.

Release Time

15msec. Max.

Shockresistance

Functional

98m/S2

Destructive

980m/S2

Vibration resistance

10~55Hz 1.5mm

Humidity

5%-85%RH

Ambient temperature

-40~+85℃

Temination

PCB

Unit weight

34g

Constrution

Dust protected、Sealed





Contact Data


Contact form

1A/1B / 1C

Contact material

AgSnO2

Contact resistance(1A 6VDC)

1A/1B:Max: 2.0mΩ;   1C:Max: 4.0mΩ

Contact Rating

1A/1B: 50A 250VAC; 1C: 40A 250VAC

Max. Switching Current

50A

Max. Switching Voltage

250VAC

Max. Switching Power

1A/1B:12500VA; 1C:10000VA

Mechanical life

1×10 5

Electrical  life

(Resistive)

1A/1B : 50A 1×10 4

1C : 40A 1×10 4

Coil

Coil power

Single coil: 1.5W Double coil: 3.0W

Coil Data


(VDC)Rated Voltage

(VDC)Pick-up voltage

(ms)  PulseDuration

Coil Resistance

Singlecoil

6

≤ 4.5

≥50

24±10%

9

≤6.75

≥ 50

54±10%

12

≤9.0

≥50

96±10%

24

≤18.0

≥50

384±10%

Double coil

6

≤ 4.5

≥50

2×12±10%

9

≤6.75

≥50

2×27±10%

12

≤9.0

≥50

2×48±10%

24

≤18.0

≥50

2×192±10%

Typical Application

Prepayment Energy Meter; AMR System;

Compound Switch; Automatic Control System.


◆ Dimensions(mm)/  Circuit Diagram