● Charging Piles

● Charging Stations

● Photovoltaic

The NDZ3T-40~300 series of DC contactors apply to the DC system with the working voltage of DC750V and working current of 40~300A.


  • Rated Current: 40A, 100A, 150A, 200A, 250A, 300A
  • Rated Voltage: 750VDC
  • Rated Insulation Voltage: 1000V
  • Number of Poles: Single Pole
  • Type of Circuit: DC
  • Maximum Breaking Current: DC300V 400A more than once for NDZ3T-40

DC600V 1000A more than once for NDZ3T-100

DC300V 1500A more than once for NDZ3T-150

DC750V 2000A more than once for NDZ3T-200

DC600V 2500A more than once for NDZ3T-300

  • Short-circuit Withstand Current: 10Ie 600ms
  • Insulation Resistance: ≥1000MΩ,DC1000V
  • Withstand Voltage: AC3000V 60s
  • Retention Power Consumption (20℃, rated voltage control):

≤3.3W for NDZ3T-40

≤4.5W for NDZ3T-100

≤6.0W for NDZ3T-150

≤4.5W for NDZ3T-200/300

  • Pull-in/discharge time (rated voltage): ≤30ms/10ms
  • Mechanical Life: 200000 times, frequency 3600 times/h
  • Electrical Life (Forward):

DC500V: 20000 times for NDZ3T-40

3000 times for NDZ3T-100/150/200/300

DC750V: 1000 times for NDZ3T-40/100/150/200/300

  • Electrical Life (Reverse):

DC500V: 20000 times for NDZ3T-40

1000 times for NDZ3T-100/150/200/300

Normal Working conditions:

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