This document provides information on the features and performance of the ABB Vmax vacuum circuit breaker, including the selection and ordering of the circuit breaker, dimensional drawings, and electrical schematics.
This manual describes the technical characteristics, installation methods, application fields and safety measures of the ABB Vmax vacuum circuit breaker. It includes sections on product overview, selection, performance data, dimensions, electrical diagrams and quality management.
The document also lists optional accessories, mechanical interlocks, key and lock devices, and references to related ABB publications and standards such as IEC 62271‑100 and GB 1984‑2003. This manual is written in Chinese.
| Rated Voltage | 12 kV |
|---|---|
| Rated Insulation Voltage | 12 kV |
| Rated Current (40 °C) | 630 A – 1250 A |
| Rated Breaking Capacity | 16 kA |
The Vmax vacuum breaker is rated for 12 kV.
The breaker complies with IEC 62271‑100 and GB 1984‑2003, among other major industrial standards.
Two installation types are offered: a fixed mounting and a withdrawable (extractable) mounting suitable for ABB UniGear switchgear.