JCZ7-12 AC Contactor Medium Voltage 3 Phase Vacuum Contactor

JCZ7（G）12kV 400A Vacuum ContactorJCZ7-12 series AC Vacuum Contactor 3 polesis suitable for the AC electric system, of which the frequency is 50~60 Hz, rated working voltage of 12 kV (or 7.2 kV), for direct or remote on-off control of the main circuits.This series of vacuum contactors main used below the rated current from 160A-630A power network systems for remote making and breaking and frequent starting and control of AC motors, transformers and capacitor banks and other occasions.NameUnitValueMain circuitRated working voltage (Ue)kV12Rated working current (Ie)A400,630Rated frequency (fr)H...

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JCZ7（G）12kV 400A Vacuum Contactor

JCZ7-12 series AC Vacuum Contactor 3 polesis suitable for the AC electric system, of which the frequency is 50~60 Hz, rated working voltage of 12 kV (or 7.2 kV), for direct or remote on-off control of the main circuits.

This series of vacuum contactors main used below the rated current from 160A-630A power network systems for remote making and breaking and frequent starting and control of AC motors, transformers and capacitor banks and other occasions.

Name			Unit	Value
Main circuit	Rated working voltage (Ue)		kV	12
	Rated working current (Ie)		A	400,630
	Rated frequency (fr)		Hz	50
	Rated making capacity		A	10Ie (AC-4)
	Rated breaking capacity		A	8Ie (AC-4)
	Rated short time withstand current		A	10Ie
	Rated peak withstand current		A	25Ie
	Rated short circuit duration		s	4
	Power frequency withstand voltage	Wiring terminal to earth	kV	42
		Vacuum breaks	kV	42
	Lightening impulse withstand voltage		kV	75
Control circuit	Rated voltage (Us)		V	AC or DC. 110/220
	Rated power (Ps) electric holding		VA	≤1000/100(absorbing/holding)
Auxiliary circuit		Form		3a+2b
		Rated value		AC 380V/5A, DC 380V/1A
Control circuit, auxiliary circuit to earth power frequency withstand voltage			kV	2
Rated operating frequency	Long-term		time/h	300
	Short-term		time/h	600
Mechanical endurance			10000 times	30
Electrical endurance			10000 times	10
Mechanical characteristics	Closing time		ms	≤200
	Original opening time		ms	≤160
	3-phase synchronism		ms	≤3
	Closing tripping		ms	≤15
Net weight			kg	49.5

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JCZ7-12 AC Contactor Medium Voltage 3 Phase Vacuum Contactor

JCZ7-12 AC Contactor Medium Voltage 3 Phase Vacuum Contactor

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