This document is an instruction manual for the installation, operation, and maintenance of HV6FS-MLD Vacuum Circuit Breakers. These vacuum circuit breakers are designed for 4.8kV and 7.2kV voltage classes, and feature fast closing and UV release functions.
This document is an instruction manual for Toshiba HV6FS-MLD Vacuum Circuit Breakers designed for 4.8 & 7.2kV voltage classes with fast closing and UV release capabilities. The manual covers installation, operation, maintenance, and disposal procedures for qualified operators only.
The equipment includes safety devices, indicators, and controls, requiring specific handling during receiving and moving. It details the mounting of the circuit breaker cell, electrical connections for main and control circuits, pre-energization checks, and operational flow charts.
| Rated Voltage | 4.8 & 7.2kV |
|---|---|
| Maximum Continuous Current | 630 A, rms |
| Rated Interrupting Current (Sym.) | 14 kA @ 7.2kV; 16 kA @ 4.8kV |
| Opening Time | 20 ms (Typical) |
| Weight | 38 kg (84 lb.) |
Only qualified persons who are skilled in installation, construction, and operation of the equipment according to applicable codes.
The rated control voltage for closing and charging is 125 V DC.
Users must read and follow all safety signs, keeping them visible and in good shape without removing or covering them.