LHVC7 / LHVC12 vacuum contavtor_Wuxi Lanhong Electric Co., Ltd.

	Vacuum Contactor

	LHVC7/LHVC12 vacuum contactor ( Vacuum Interrupter by ABB)

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LHVC7/LHVC12 vacuum contactor ( Vacuum Interrupter by ABB )

1.Technical Data

Item				Unit	Data
					LHVC7	LHVC12	LHVC/P
Main circuit	Rated operational voltage（Ue）			kV	7.2	12	7.2	12
	Rated operational current（Ie）			A	400	400	≤315 (due to fuse)	≤200 (due to fuse)
	Rated frequency（fr）			Hz	50/60
	Rated making capacity			kA	4.0
	Rated breaking capacity			kA	3.2
	Rated short time withstand current			kA	6.0
	Rated peak withstand current			kA	15
	Rated short circuit duration			s	1
	Rated expected short circuit breaking current			kA	/		≤50 (due to fuse)
	Rated expected short circuit closing current			kA			100
	Take-over current			kA			4.0
	Power frequency withstand voltage		Between phases, phase to earth	kV	32	42	32	42
			Vacuum breaks	kV	32	42	32	42
	Lightening impulse withstand voltage			kV	60	75	60	75
	Resistance			μΩ	≤150	≤150	≤300 (due to fuse)
Control circuit	Rated voltage (Us)			V	AC or DC.110/220
	Rated power (Ps)?		Electric holding	VA	≤1000/100 (absorbing/holding)
			Mechanical holding	VA	≤1200/800 (closing/opening)		≤1200/350 (closing/opening)
Control mode					E type: electric holding; M type; mechanical holding
Auxiliary circuit			Form		5a+5b		6a+6b
			Rated value		AC 220V/5A
Control circuit, auxiliary circuit to earth power frequency withstand voltage				kV	2
Rated operating frequency			Long-term or mechanical holding type	time/h	300
			Short-term	time/h	600
Mechanical endurance				10000 times	100	100	30
Electrical endurance				10000 times	10（AC-3）
Closing time				ms	45-65		≤150
Mechanical characteristics		Original opening time		ms	25-40 (electric holding) 15-30(mechanical holding)		≤150 (electric holding) ≤60(mechanical holding)
		3-phase synchronism		ms	≤3
Net weight				kg	26 (electric holding) 28(mechanical holding)		81（without fuse）

Normal Operating Conditions for Vacuum Contactors
The altitude at the installation location should not exceed 1000m;
The maximum ambient air temperature shall not exceed +40 ℃, with an average value measured within 24 hours not exceeding +35 ℃. The minimum ambient temperature shall not fall below –15 ℃;
The average relative humidity measured over 24 hours shall not exceed 90%, and the average water vapor pressure measured within 24 hours shall not exceed 1.8 kPa;
The ambient air should be free from noticeable contamination by dust, smoke, corrosive and/or flammable gases, water vapor, salt mist, or similar pollutants.

2. Drawing

LHVC7/LHVC12 mechanical holding type secondary control diagram

Symbol	Name	Function	Symbol	Name	Function
SA	Auxiliary switch	Circuit switching	X	Socket	Control wires collection
S3	Limit switch in test position	Circuit switching	A	Wiring terminal	Components connection
S4	Limit switch in working position	Circuit switching	K	Closing relay	Contactor closing control
S1、S2	Fuse mode switch	Fuse checking	TQ	Opening eletromagnet	Contactor opening control
HQ1 HQ2	Closing coil	Contactor? closing components	SC	Closing control button or switch	Contactor closing? control by user
CB	Control power box	Rectifier components	SO	Opening control button or switch	Contactor opening control by user
PC	Counter	Circuit switching

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