This document introduces ABB's VSC vacuum contactor products, including product performance, dimensions, electrical schematics, etc. The VSC vacuum contactor is suitable for electrical switch equipment in AC distribution systems, featuring a dual-state permanent magnet actuator and excellent breaking performance. It can be widely used in power plants, industries, services, shipping, etc., and is suitable for controlling and protecting motors, transformers, capacitor banks, switch systems, etc.
This manual describes the ABB VSC series of medium‑voltage vacuum contactors, which are designed for frequent operation in power distribution systems such as power plants, industrial facilities, service equipment and marine applications. It explains the dual‑stable permanent‑magnet actuation mechanism (MAC) and the two command modes – single‑command (SCO) and double‑command (DCO).
The document includes technical data, dimensional drawings, electrical schematics, standard configurations, optional accessories, and ordering information. It also lists applicable international standards (IEC 60470, GB/T 14808) and certification bodies (DNV, RINA), and provides environmental and installation requirements. This manual is written in Chinese.