Technical Data for HD4

Brand ABB

Circuit Breaker Specification IEC 56

Model SACE HD4 /P12-06-20

Rated Voltage 12kV

Lightning Withstand Volt. 75kV

Rated Frequency 50 Hz

Rated Normal Current 630A

Short Time Current 350MVA, 20kA

Closing Time / Opening Time 50 / 70ms

Absolute Pressure 20 Deg 500kPa

Breaking Capacity 20kA

Making Capacity 50kA

Operating Sequence 0.3min-10-3min-10

Closing Coil 110Vdc

Opening Coil 110Vdc

Charging Motor 240Vac

Blocking magnet 110Vcd