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Home/Vacuum Contactor/Medium/High Voltage Vacuum Contactor/CKG4-12 High Voltage Vacuum Contactor 1250A for 12kV Power Systems CKG4-12 High Voltage Vacuum Contactor 1250A for 12kV Power Systems
The CKG4-12 1250A Vacuum Contactor is designed for 12kV medium-voltage power systems, ideal for frequent switching and remote control of AC motors, transformers, and capacitor banks. With advanced vacuum arc-extinguishing technology, it delivers long service life, high safety, and stable performance—making it a cost-effective upgrade from traditional air contactors.
Electrical ProductsProduct Structure & Design
The CKG4 series vacuum contactor features an integrated insulated frame, combining:
High-performance vacuum interrupters
Stable electromagnetic operating mechanism
Reliable auxiliary switch system
The internationally popular upper and lower assembled structure ensures:
Clear internal layout
Easy installation and commissioning
Convenient maintenance and replacement
Low main-circuit resistance guarantees high efficiency and reduced energy loss during operation.
Key Advantages of vacuum contactor
Long Electrical & Mechanical Life
Vacuum technology prevents contact oxidation
Reduced arc damage during switching
Significantly lowers maintenance frequency and downtime
High Safety & Reliability
Fireproof, explosion-proof, and pollution-free
Compact design with high-strength insulation materials
Stable operation even in harsh industrial environments
Excellent Breaking Performance
Good three-phase synchronization
Stable mechanical characteristics
Reliable interruption under frequent operation conditions
Cost-Effective Upgrade Choice
Modular structure simplifies production and maintenance
Ideal replacement for traditional air AC contactors
Lower total lifecycle cost
Wide Application Range
Metallurgy
Mining
Oil & gas
Chemical industry
Railway systems
Power distribution networks
Especially suitable for applications requiring frequent switching operations.
Why Choose Our CKG4-12 Vacuum Contactor?
Factory-direct supply with stable quality control
Support for customized configurations
Fast response and professional technical support
Suitable for international projects and OEM cooperation
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Looking for a 12kV 1250A vacuum contactor for frequent operation applications?
Contact us today to get:
Latest price & lead time
Technical datasheet
Application recommendations
Click “Send Inquiry” or leave your requirements—we’ll respond within 24 hours.
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