NDZ3X-50B High voltage DC Contactor Coil voltage DC12V DC24V DC48V

Modle Paramenter name

NDZ3X-50B

Rated current

50A

Agree thermal current of the free air

     150A            

Rated voltage

DC450V/DC500V/DC750V/DC1000V

Insulation voltage

≥1000MΩ DC1000V

Number of poles

Single pole

Type of circuit

DC

Mechanical life

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

Coil voltage

DC12V、DC24V、DC48V

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

DC 750V
L/R≤1MS

50A 4000/times

DC 1000V
L/R≤1MS

50A 2000/times

Maximum breaking current

DC320V 1000A 1/once

Shot-circuit withstand current

750A 30ms

Insulation resistance

≥100MƱ,DC500V

Withstand voltage

AC2500V 60s

Rated control voltage Uc

Rated control voltage：DC12V/24V/48V
Pick-up voltage：75%~110%Uc
Drop-out voltage：10%~60%Uc

Maximum pull-in current（20℃）

≤0.5A

Retention power consumption(20℃,Rated voltage control)

Keep4.5W,Start45W

Pull-in/discharge time（rated voltage）

≤35ms/15ms

Auxiliary contact type

Without Auxiliary contact，1NO，1NC，1NC＋1NO
Note2：NDZ3X-50/100 don’t have auxiliary contact

Auxiliary contact current

2A/DC30V，3A/AC125V

Minimum capacity of the auxiliary contact connecting

8V 100mA