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Procure the VS1-12P/630-20 embedded pole indoor VCB directly from a certified China manufacturer. This model is the advanced solid insulation version of the standard VS1-12, specifically designed for 12kV, 630A, and 20kA power distribution requirements. Our factory provides competitive wholesale pricing, ensuring distributors and engineering contractors receive industrial-grade equipment built to withstand severe environmental challenges where conventional insulated breakers easily fail.
This embedded pole VCB fundamentally solves environmental endurance issues, making it the optimal choice for coastal regions, high-humidity environments, high-altitude locations, and areas with severe industrial pollution.
Solid Insulation Technology: Features an advanced APG process epoxy casting that fully encapsulates the vacuum interrupter and primary circuit into a solid pole, achieving complete isolation from moisture and dust.
Maintenance-Free Operation: The completely sealed design eliminates environmental impacts on insulation performance, ensuring a truly maintenance-free operational lifespan.
Enhanced Energy Efficiency: Engineered for reduced main circuit resistance, which results in a lower temperature rise and less energy loss during continuous operation.
Maximum Durability: Equipped with a robust spring operating mechanism that delivers an outstanding mechanical life of up to 20,000 operations.
Model: VS1-12P/630-20
Rated voltage: 12 kV
Rated current: 630 A
Rated short-circuit breaking current: 20 kA
Rated peak withstand current: 50 kA
Rated short-time withstand current (4s): 20 kA
Rated insulation level (1min power frequency withstand): 42 kV
Rated insulation level (lightning impulse withstand): 75 kV
Mechanical life: 20,000 times
Mounting options: Withdrawable (handcart) or fixed type
Switchgear compatibility: KYN28
Standards: IEC 62271-100, GB/T 1984
Submit a B2B inquiry today to request the latest wholesale pricing, exact MOQ, and comprehensive technical datasheet directly from our factory.
