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Procure the VS1-12/3150-40 indoor withdrawable vacuum circuit breaker directly from a certified China manufacturer. This model is designed as a highcurrent withdrawable vacuum circuit breaker for main incoming protection in largescale industrial and utility substations. Our factory provides competitive wholesale pricing, ensuring system integrators receive industrial-grade equipment for complex power infrastructures.
Built to handle rigorous electrical demands, this heavy-duty VCB easily meets demanding power distribution requirements with its 3150A rated current and 40kA breaking capacity. It is the optimal choice for primary distribution networks requiring strong fault interruption.
Operational Safety: Features a robust spring mechanism, reliable interlocking, and full compliance with IEC 62271-100.
Maximum Durability: Delivers an outstanding mechanical life of 20,000 operations, minimizing long-term maintenance costs.
Efficient Mounting: Utilizes a handcart type (withdrawable) design, streamlining installation, testing, and replacement procedures for switchgear integration.
Strict Compliance: Fully meets stringent international safety and performance standards, including both IEC 62271-100 and GB/T 1984.
Model: VS1-12/3150-40
Rated voltage: 12 kV
Rated current: 3150 A
Rated short-circuit breaking current: 40 kA
Rated peak withstand current: 100 kA
Rated short-time withstand current (4s): 40 kA
Rated insulation level (1min power frequency withstand): 42 kV (phase/ground), 48 kV (isolating distance)
Rated insulation level (lightning impulse withstand): 75 kV (phase/ground), 85 kV (isolating distance)
Operating mechanism: Spring energy storage (manual / electrical)
Mounting: Handcart type (withdrawable)
Standards: IEC 62271-100, GB/T 1984
Submit an inquiry today to request the latest wholesale pricing, exact MOQ, and comprehensive technical datasheet directly from our factory.
