AIR CIRCUIT BREAKERS
General
Sigma Air Circuit Breakers (ACB) protect their
connected Circuit against overload and short
circuit and fulfill seperating function. When geared
Motor operator, then they are ready to close at
any time.SİGMA ACBs are produced as fixed and
drawable type from 630A upto 4000A according
to the TS EN 60947-2 and CE standards. There is
auxiliary Contact 2NO+ 2NC on each sigma ACB.
Also when requested
- Motor Operator
- Undervoltage Release
- Closing Coil
- Shunt Trip Coil
- Mechanical Interlock for reversing system can be supplied.
Operating Conditions
Ambient Temperature: -5°C and +45 °C (the average value within 24 hours should not exceed +35 °C)Height: < 2000 m
Relative Humidity: Should not exceed %50 at +40°C , %90 at +20°CStoring Temperature: -20°C and +60 °C ( the average value within 24 hours should not exceed+35 °C)