Rated frequency - 50Hz
Rated short-circuit breaking current Switching operations of rated short-circuit breaking current - 31.5kA. 40kA 30# (30 times)
Rated short-circuit making current - 80kA
Rated peak withstand current - 80kA
Rated short-time withstand current(4s) - 31.5kAx 40kA
Rated single capacitor bank breaking current - 630A
Rated back-to-back capacitor bank breaking current 400A
Short-time(lmin) power-frequency withstand voltage - 48kV
Lighting impulse withstand voltage - 85kV
Circuit resistance at Min. rated contact force - <20~25pQ
Mechanical endurance - 10,000# (10,000 times)
Contact closed force due to bellows and atmosphere - 110±60N
Counter force at rated contact stroke - 180±50N
Contact limit erosion - 3mm
Shelf life - 20^ (20 years)
Magnitute of partial discharge - <5pC
Rated operating sequence - O-0.3s-CO-180s-CO