IEC SF6 Mechanical Circuit Breaker HD4/R
HD4/R are used in secondary MV distribution and in MV/LV transformer substations. They are available in fixed version with right-hand side operating mechanism. Circuit-breakers with rated voltage up to 24 kV can be fitted with current sensors and PR521 overcurrent release and can be used in unmanned substations without auxiliary power supply.
Ratings :-Rated voltage (kV) 12 - 36
Rated current (A) 630 - 1250
Rated breaking current (kA) 12,5 - 25
Downloads :-- Catalogue
- Data sheet
Reference : ABB (ABB/Medium Voltage Products & Systems/Circuit Breakers/Indoor Gas Insulated Circuit Breakers)