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11kV 630A High Voltage Vacuum Contactor Indoor Switchgear Contactor For Frequent Switching Applications

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11kV 630A High Voltage Vacuum Contactor Indoor Switchgear Contactor For Frequent Switching Applications

Large Image : 11kV 630A High Voltage Vacuum Contactor Indoor Switchgear Contactor For Frequent Switching Applications

Product Details:

Place of Origin:	China
Brand Name:	MacweyTEK
Certification:	IEC
Model Number:	MKVC

Payment & Shipping Terms:

Minimum Order Quantity:	1 piece
Price:	$1500
Packaging Details:	wooden cases
Delivery Time:	15 days
Payment Terms:	T/T
Supply Ability:	10000 pcs

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Detailed Product Description

Name:	High Voltage Vacuum Contactor	Rated Voltage:	11kV
Rated Current:	630A	Core Feature:	Frequent Switching Capability
Holding Configuration:	Electrical/Mechanical/Permanent Magnet	Applicable Loads:	HV Motors/Transformers/Capacitor Banks
Highlight:	11kV High Voltage Vacuum Contactor , 630A High Voltage Vacuum Contactor , Indoor Switchgear Contactor

11kV 630A Indoor High Voltage VCB Vacuum Contactor MKVC for Frequent Switching Applications

MKVC vacuum contactor is a new-generation medium-voltage vacuum switch element series product developed with advanced domestic and international technology. The GPVC product shares identical dimensions with A-B-B's VC contactor, enabling installation in minimum 650mm mid-mounted switchgear.

Applications

The MKVC vacuum contactor operates in conjunction with high-voltage fuses capable of breaking wide-range short-circuit fault currents. Designed for AC systems with voltages of 3.6~12kV and frequencies of 50Hz/60Hz requiring extensive opening and closing operation cycles, it is particularly suitable for frequent switching applications. Widely used for protection and control of electrical equipment including high-voltage motors, transformers, capacitor banks, induction furnaces, and more in thermal power plants, metallurgy, petrochemicals, mining plants, and shipping industries.

Configuration Options

The GPVC vacuum contactor offers three configurations: electrical holding, mechanical self-holding, and permanent magnet holding. Control electromagnets facilitate closing operations through the operating mechanism, while opening operations are achieved via opening springs.

Technical Specifications

MKVC vacuum contactors are available in two voltage grades with corresponding fuse compatibility:

MKVC 7 - Rated voltage 3.6~7.2kV, current range 6A to 315A
MKVC 12 - Rated voltage 12kV, current range 6A to 160A

Item	Unit	3.6kV	7.2kV	12kV
Rated voltage	kV	3.6	7.2	12
1min Power frequency withstand voltage	kV	20	32	42
Lighting impulse withstand voltage	kV	46	60	75
Rated current	A	400	315	200
Rated short-time withstand current (4s)	kA	4
Rated peak withstand current	kA	10
Expected short-circuit breaking current	kA	50
Expected short-circuit close current	kA	130
Main circuit resistance	uΩ	≤250+RFuse
Max. transfer current	A	4000	4000	3200
Rated current breaking times	times	250,000
Mechanical life (Mechanical hole-type)	times	300,000
Mechanical life (Electrical hold-type)	times	500,000
Main circuit resistance	uΩ	≤150

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Contact Person: Alec Sung

Tel: 0086-13625845635

Fax: 0086-574-88478873

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11kV 630A High Voltage Vacuum Contactor Indoor Switchgear Contactor For Frequent Switching Applications

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