● Charging Piles

● Charging Stations

● Photovoltaic

NDZ3W-50~300 series of DC contactors apply to the DC system with the working voltage of DC1000V and working current of 50~300A.


  • Rated Current: 50A, 100A, 150A, 200A, 250A, 300A
  • Rated Voltage: 450/500/750/1000VDC
  • Rated Insulation Voltage: 1000V
  • Number of Poles: Single Pole
  • Type of Circuit: DC
  • Coil Voltage: 12/24/48VDC, 9~36VDC
  • Maximum Breaking Current:

DC320V 1000A once for NDZ3W-50/100

DC320V 2000A once for NDZ3W-150/200/250/300

  • Short-circuit Withstand Current: 750A 30ms for NDZ3W-50

                            1500A 30ms for NDZ3W-100

                            2250A 30ms for NDZ3W-150

                            3000A 30ms for NDZ3W-200

                            3750A 30ms for NDZ3W-250/300

  • Insulation Resistance: ≥100MΩ,DC500V
  • Withstand Voltage: AC2500V 60s for NDZ3W-50/100

                 AC3500V 60s for NDZ3W-150/200/250/300

  • Retention Power Consumption (20℃, rated voltage control):

≤6.0W for NDZ3W-50/100

≤3.6 W for NDZ3W-150/200/250/300

  • Pull-in/discharge time (rated voltage):

≤35ms/15ms for NDZ3W-50/100

≤35ms/20ms for NDZ3W-150/200/250/300

  • Mechanical Life: 1000000 times, frequency 1200 times/h
  • Electrical Life (Forward):

DC500V: 6000 times for NDZ3W-50/100/150/200/250/300

DC750V: 2000 times for NDZ3W-50

1000 times for NDZ3W-100/150/200/250/300

DC1000V: 1000 times for NDZ3W-50

             5 times for NDZ3W-100

           300 times for NDZ3W-150

           100 times for NDZ3W-200

50 times for NDZ3W-250

10 times for NDZ3W-300

Normal Working conditions:

  • Operating Temperature:-40℃~+85℃
  • Operating Humidity:5%~95%
  • Pollution degree: 3
  • Installation Direction: Vertical Installation, horizontal installation
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