NDZ3-250 Series DC Contactor, Nader

Shell frame current level

250A

Number of poles

Single pole

Rated current (A)

250A

Agreed thermal current of the free air Ith (A)

500A

Rated voltage (V)

500V

Insulation voltage Ui (V)

1000V

Type of circuit

DC

Terminal torque

M8 screw(7~8N.m)

Certificates

CCC, CB, CE, TUV

Rated control voltage Us (V)

(DC12~36V)

Pull-in voltage

75%~100%Us

Discharge voltage

10%~60%Us

Mechanical life

1 million times, frequency1200 times/h

Electrical life (DC, 120 times/h)

40VDC 250A 35000 times/h

500VDC 250A 6000 times/h

900VDC 15A 6000 times/h

Maximum breaking current

DC320V 2000A

more than once

Short-circuit withstand current

15Ie 30ms

Insulation resistance

≥100MΩ，500VDC

Withstand voltage

3500VAC 60s

Retention power consumption

≤3.5W

Pull-in/discharge time (rated voltage)

≤35ms/15ms

Auxiliary contact type

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

Auxiliary contact current

2A 30VDC/3A 125VAC

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 or horizontal installation

·Wire cross-section area≥120mm²

Installation Mode

Screw mounting

Environmental Compliance

Comply with the RoHS directives