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DC Contactor ZJ400D NO-SP-ST

The ZJ400D contactor is rated at 400 amperes with a normally open single pole single throw configuration.  The ZJ400D is suitable for applications including UPS and Telecom Power Systems, Electric Vehicles and Frequency Converters.

The ZJ400D features single pole double breaking main contacts with silver alloy tips, which are weld resistant, hard wearing and have excellent conductivity.  The ZJ400D has M10 main stud terminals and coil connections are by means of M4 terminals.  Silver plating is provided as standard and Coil driver options include Standard, Dual Coil and Magnetic Latching with auxiliary, coil suppression and bracket options available.

  • Product Detail
InterruptedRating ( Ith )Uninterrupted
Thermal Current Rating - 400A
Intermittent Current Rating:
30% Duty - 730A
40% Duty - 630A
50% Duty - 565A
60% Duty - 515A
70% Duty - 480A
Rated Fault Current Breaking Capacity (Icn) 5ms Time Constant:
Blowouts -
No Blowouts -
Rated Fault Current Breaking Capacity (Icn) Resistive Load:
Blowouts -
No Blowouts 600A at 60V D.C.
Maximum Recommended Contact Voltages
Blowouts - -
No Blowouts - 60V
Typical Voltage Drop per pole across New Contacts at 100A 30mV
Mechanical Durability > 1,000,000 Cycles
Coil Voltage Available (Us) (Rectifier board required for A.C.) 12 - 120V

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