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Indoor Vacuum Circuit Breaker
The VBI series indoor vacuum circuit breaker is a new generation of intelligent vacuum circuit breakers
Apr 21,2025
Introduction:
The VBI series indoor vacuum circuit breaker is a new generation of intelligent vacuum circuit breakers. Its live components, including the high-performance vacuum interrupter and upper and lower outgoing terminals, are encapsulated in epoxy resin post terminals. This design helps prevent contamination on the surface of the vacuum interrupter, enhancing its insulation properties, mechanical stability, and extending its operational lifespan.
Main Technical Parameters:
Rated frequency: 50-60Hz
Rated current: 630A-4000A
Phase distance: 210mm, 275mm
Rated short-circuit breaking current: 20kA-40kA
Installation method: Withdrawable or fixed, compatible with KYN28-12 (GZS1) switchgear, KYN44, and other central switchgear cabinets.
Application Environment:
Ambient temperature: -40 ~ +40℃
Altitude above sea level: ≤3000m
Maximum wind speed: ≤35m/s
Earthquake intensity: ≤8 degrees
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Related News
From June 5th to 8th, 2025, Shenzhen Dongshengyuan Electrical Equipment Co., Ltd. (hereinafter referred to as "Dongshengyuan Electric") participated in the Southeast Asia Electricity and Energy Exhibition (SEAPAE) held in Jakarta, Indonesia. During the exhibition, the company highlighted its three core product lines: high-voltage and low-voltage distribution switchgear, intelligent circuit breakers, and environmentally friendly load switches. These products are designed to provide targeted solutions for the high temperature and high humidity environments commonly found in Southeast Asia, as well as the growing demand for new energy access. They have successfully attracted over 200 industry customers for business negotiations.
The difference between circuit breakers and vacuum circuit breakers
Circuit breaker is an abbreviation for pole type circuit breaker. Circuit breakers are also vacuum circuit breakers
1B601, Lefu Square, No. 481 Guangming Avenue, Dongkeng Community, Fenghuang Street, Guangming District, Shenzhen
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