DC Contactor, NDZ3-50~300

Application

● Charging Piles

● Charging Stations

● Photovoltaic

NDZ3-50~300 series of DC contactors apply to the DC system with the working voltage of DC1000V and working current of 50~300A.

Specification:

• Rated Current: 50A, 100A, 150A, 200A, 250A, 300A
• Agreed Thermal Current of the free air Ith: 150A. 300A, 500A
• Rated Voltage: 500VDC, 750VDC
• Rated Insulation Voltage: 1000V
• Number of Poles: Single Pole
• Type of Circuit: DC
• Maximum Breaking Current: DC320V 1000A /once for NDZ3-50/100

DC320V 2000A /once for NDZ3-150/200/250/300

• Short-circuit Withstand Current: 750A 30ms for NDZ3-50

1500A 30ms for NDZ3-100

2250A 30ms for NDZ3-150

3000A 30ms for NDZ3-200

3750A 30ms for NDZ3-250/300

• Insulation Resistance: ≥100MΩ，DC500V
• Withstand Voltage: AC2500V 60s for NDZ3-50/100

AC3500V 60s for NDZ3-150/200/250/300

• Maximum pull-in current (20℃): ≤0.5A for NDZ3-50/100/150

≤3.5A for NDZ3-150J/200/250/300

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

≤6W for NDZ3-50/100/150

≤3.6W/3.6VA for NDZ3-150J/200/250/300

• Pull-in/dischange time (rated voltage): ≤35ms/15ms for NDZ3-50/100/150

≤35ms/20ms for NDZ3-150J/200/250/300

• Auxiliary Contact Type: Without Auxiliary Contact, 1NO, 1NC, 1NC+1NO
• Auxiliary Cotact Current: 2A/DC30V, 3A/AC125V
• Minimum Capacity of the auxiliary contact connecting: 8V 100mA
• Mechanical Life: 1000000 times, frequency 1200 times/h
• Electrical Life (DC-1 360 times/h, 1s on, 9s off):

DC500V: 6000 times @50/100/150/200/250A,

DC750V: 1000 times @300A

Product certification and implementation standard:

• Product certificate：CCC,CE,TUV, CB, UL；
• Product certification standard：GB/T 14048.4，GB/T 14048.5, IEC60947-4-1, IEC60947-5-1, UL60947-4-1;

Normal Working conditions:

• Operating Temperature：-40℃～+85℃
• Operating Humidity：5%~95%
• Pollution degree: 3
• Protection Class: IP67 (Expect the connecting terminal)
• Installation Direction: Vertical Installation