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1.14kV 400A Vacuum Contactor - Low Voltage Vacuum Contactor

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1.14kV 400A Vacuum Contactor - Low Voltage Vacuum Contactor

1.14kV 400A Vacuum Contactor - low Voltage Vacuum Contactor, rated voltage 1140V, rated current 400A

General Description:

Hai Bang low Voltage Vacuum Contactor, 1.14kV 400A Vacuum Contactor – Type CKJ5-400A/1140V is applicable on AC 50-60Hz power systems, rated voltage 1140V, rated current 400A. This type of low voltage Vacuum contactor is used to directly or remotely connect and disconnect the circuit and frequently control the AC motor, and is suitable for various protection devices (JDB electronic integrated protector, JR9 overcurrent protection device, resistance melting absorption device) to form an electromagnetic starter or explosion-proof magnetic starter. 1.14kV 400A Vacuum Contactor is widely used in metallurgy, underground coal mines, docks and other occasions. The altitude of the environment where the 1.14kV Vacuum contactor is used does not exceed 2000 meters above sea level.

Please refer to the categories for other types of 1.14kV Vacuum Contactors with other values of rated current.


Technical Data:

NameUnitValue
Main circuitRated working voltage (Ue)kV1.14
Rated working current (Ie)A400
Rated frequency (fr)Hz50~60
Rated connecting capacityA12Ie (AC-4)
Rated breaking capacityA10Ie (AC-4)
Rated overload withstand currentA/s8Ie/10
Ultimate breaking capacityA4500
Lightening impulse withstand voltagekV8
Power frequency withstand voltageWiring terminal to earthkV4
Vacuum breakskV10
Control circuitRated voltage (Us)V36/110/220/36
Rated power (Ps) electric holdingVA≤400/40 (absorbing/holding)
Auxiliary circuitForm(3a+3b)
Rated valueAC 380V/5A
Control circuit, auxiliary circuit to earth power frequency withstand voltagekV2
Rated operating frequencyLong-termtime/h300(AC-3), 120(AC-4)
Short-termtime/h2000(within 20s)
Mechanical endurance10000 times300
Electrical endurance10000 times20(AC-3) , 2(AC-4)
Mechanical characteristicsClosing timems≤200
3-phase asynchronous timems≤3
Original opening timems≤150(electric holding)
Closing trippingms≤10
Remark: 1. rated control voltage can be made according to customer’s requirements.
Quality 1.14kV 400A Vacuum Contactor - Low Voltage Vacuum Contactor for sale
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