NDZ3W-250 Series DC Contactor, Nader

Rated current (A)

250A

Agreed thermal current of the free air Ith (A)

500A

Rated voltage (V)

DC450V/DC500V/DC750V/DC1000V

Insulation voltage Ui (V)

DC1000V

Number of poles

Single pole

Type of circuit

DC

mounting screw torque

M8 screw(7~8N.m)

Certificates

CCC、CB、CE、TUV、UL

Mechanical life

1,000,000 times, frequency 1200 times/h

Electrical life (DC-1, 360 times/h, 1s on, 9s off, forward direction)

DC 500V L/R≤ 1ms

250A 6000 times/h

DC 750V L/R≤ 1ms

250A 1000 times/h

DC1000V L/R≤ 1ms

150A 300 times/h

250A 50 times/h

Maximum breaking current

DC320V 2000A

once

Short-circuit withstand current

3750A 30ms

Insulation resistance

≥100MΩ, DC500V

Withstand voltage

AC3500V 60s

Rated control voltage Uc

Rated control voltage

DC12~24V

Pick-up voltage

DC 9V~36V

Drop-out voltage

DC 1.2V~DC7.2V (Cold state≥-40℃)

Maximum pull-in current (20℃)

≤3.5A

Retention power consumption(20℃， Rated voltage control)

≤3.6W/3.6VA

Pull-in/discharge time (rated voltage)

≤35ms/20ms

Auxiliary contact type

1NO+1NC, 1NO, 1NC or without the auxiliary contact

Auxiliary contact current

2A/DC30V, 3A/AC125V

Minimum capacity of the auxiliary contact connecting

8V 100mA

Normal Working Environment

·Operating environment：-40~85℃

·Operating humidity：5%~95%

·Pollution level：3

·Protection class：IP67(Except the connecting terminals)

·Installation direction:Vertical installation

·Mode of connection: Straight line connection

·Wire cross-section area≥120mm²

Installation Mode

Screw mounting

Environmental Compliance

Comply with the RoHS directives