Product Details

EVC7-12KV-160/250/400/630A High altitude MV Vacuum Contactor

Name						Unit	Value
Main circuit	Rated working voltage (Ue)					kV	12
	Rated working current (Ie)					A	160,250,400,630
	Rated frequency (fr)					Hz	50~60
	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			Electric holding	VA	≤1000/100 (absorbing/holding)
					Mechanical holding	VA	≤900/600 (absorbing/holding)
Auxiliary circuit				Form			3a 2b
				Rated value			AC 380V/10A,
							DC 380V/2A
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
Remark: rated control voltage can be made according to customer’s requirements.

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