11kV 630A High Voltage Vacuum Contactor Indoor Switchgear Contactor For Frequent Switching Applications
Price:
$1500
MOQ:
1 piece
Delivery Time:
15 days
Brand:
MacweyTEK
Product Description
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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Company
Ningbo Macwey Industrial Technology Co.,Ltd
Location
No.218, Weier Road, Chongshou Industrial Park, Cixi City (Ningbo), China
Contact Person
Alec Sung