27.5 kV AC Switchgears

Description	Unit	Value
Rated Operating Voltage (Line)	kV	27.5
Maximum Operating Voltage (Line)	kV	30
Current Rated Frequency	Hz	50
Main Circuit Rated Current	А	630; 1250
Busbars Rated Current	А	1250
Vacuum Circuit-Breaker Short-Time Electrodynamic Current	kА	50
Short-Time Thermal Current: - Vacuum circuit breaker - Earthing Switch	kА/s	20/3 20/1
Vacuum Circuit-Breaker Rated Opening Current	kА	20
Power Circuit-Breaker Total Break Time, max.	s	0.07
One Minute Power Frequency Test Voltage	kV	70
Lightning Impulse Voltage	kV	170
Poles Number	-	1/2/3
Overall dimensions (WхHхD)		900 х 2600 х 1500