This manual provides guidance for the installation, operation and maintenance of HV6AS Vacuum Circuit Breakers (Fixed Type, 4.8 and 7.2kV Voltage Classes).
This document is an instruction manual for Toshiba HV6AS Vacuum Circuit Breakers (Fixed Type) designed for 4.8 & 7.2kV voltage classes. It covers applicable model numbers including Manual Operation Types (HV6AS-U, HV6AS-L) and Motor Operation Types (HV6AS-MU, HV6AS-ML).
The manual provides comprehensive guidance on receiving, inspecting, handling, and installing the equipment. It details pre-energization checks, operation procedures for both manual and electrical modes, undervoltage trip settings, maintenance programs, servicing requirements, disposal instructions, and storage guidelines.
| Rated Voltage | 7.2 kV, rms / 4.8 kV, rms |
|---|---|
| Rated Continuous Current | 630 A, rms |
| Rated Short-Circuit Breaking Current | 14 kA / 16 kA, rms |
| Opening Time | 8-25 msec |
The manual covers Manual Operation Types HV6AS-U and HV6AS-L, as well as Motor Operation Types HV6AS-MU and HV6AS-ML.
Only qualified persons who are skilled in installation and operation, trained in safety practices, and authorized to perform the work should handle this equipment.