OHB circuit-breakers are gas insulated circuit-breakers for outdoor installation. They are used in power distribution for controlling and protecting lines, substations, transformers, rectifier units, capacitor banks, etc. Thanks to the autopuffer breaking technique, they do not generate operating overvoltages. This means they are also highly suitable for retrofitting, where the plant insulating materials may be sensitive to dielectric stresses.
Ratings
Rated voltage (kV) 24 - 40,5
Rated normal current at 40 °C (A) 1250 - 250
Rated short time current 3s (kA) 25 - 31,5
Rated voltage (kV) 24 - 40,5
Rated normal current at 40 °C (A) 1250 - 250
Rated short time current 3s (kA) 25 - 31,5
Downloads : -
- Brochure
- Drawing
- Manual
Reference : ABB (ABB/Medium Voltage Products & Systems/Circuit Breakers/Outdoor Live Tank Circuit Breakers)