More than 2 million VD4 medium voltage vacuum circuit breaker installed worldwide; Cassettes and module systems available for OEMs and panel builders to create their own solutions; Fully interchangeable — both for overall dimension and electrical diagram — with ABB HD4 medium voltage gas circuit breaker

VD4 真空断路器（GB标准），用于一次和二次配电系统，最高可达 40.5 kV、5000 A、50 kA

The VD4 are a synthesis of the renowned technology in designing and constructing vacuum interrupters embedded in resin poles, and of excellency in design, engineering and production of medium voltage circuit-breakers. Embedding the interrupter in resin makes the circuit-breaker poles particularly sturdy and

vd4真空断路器采用abb驰名的真空灭 弧室和固封极柱，以及可靠的平面蜗 卷弹簧式操动机构，是abb集团全球研 发设计和制造生产技术的融合。 采用固封极柱的vd4真空断路器，更 好地应用于配电领域，其最高额定短 路开断电流可达50 ka。 vd4真空断路器以更高的 ...

to install medium voltage VD4 circuit breakers and put them into service. For correct use of the product, please read it carefully. Like all the apparatus we manufacture, the VD4 circuit breakers are designed for different installation configurations. However, this apparatus allows further technicalconstruction modifications (at the

Vacuum circuit-breakers of type VD4 are intended for indoor installation in air-insulated switchgear. The circuit-breakers of column design with a rated voltage of

Medium voltage circuit breakers with lateral mechanical actuator (spring mechanism) for secondary distribution, up to 24 kV, 1250 A, 25 kA. Key benefits. Key features.

ABB offers its new IEEE 15kV class medium voltage vacuum circuit breaker with the spring mechanism type EL (used in products like Emax 2 and ADVAC) and new recyclable embedded poles up to 15kV, 40kA, 2000A with 10,000 M2 Class mechanical operations, and 1200A C2 Back to Back capacitive switching and out of phase testing.

The vacuum circuit-breakers of type VD4 on with-drawable parts for 36 kV or 40.5 kV rated voltage are intended for indoor installation in air-insulated switchgear systems. Their switching capacity is sufficient to handle any conditions arising from switching of equipment and system components under normal operating and fault

The VD4 circuit-breakers are used in power distribution for control and protection of cables, overhead lines, transformer and distribution substations, motors, transformers, generators