This is an instruction manual for HV6FS Vacuum Circuit Breakers – Fixed Type 4.8 & 7.2kV Voltage Classes (Fast Closing)
This document serves as the instruction manual for Toshiba HV6FS Vacuum Circuit Breakers — Fixed Type, covering voltage classes of 4.8 & 7.2kV with fast closing capabilities. It applies specifically to the Motor Operation Types: HV6FS-MU and HV6FS-ML. The manual is issued by Toshiba International Corporation and distributed by CTi Automation.
| Rated Voltage | 7.2 kV, 4.8 kV |
|---|---|
| Rated Continuous Current | 630 A, rms |
| Rated Short-Circuit Breaking Current | 14 kA, 16 kA rms |
| Rated Short-Circuit Making Current | 35 kA, 40 kA crest |
| Opening Time | 8-25 msec |
| Closing Time | 30 msec |
| Weight | 24 kg (MU), 27 kg (ML) |
The manual applies to HV6FS-MU and HV6FS-ML motor operation types.
The rated control voltage for closing and charging is 125 V DC.
The rated control voltage for undervoltage trip is 120 V AC.