Detailed Product Description

Main Technical Data

Rated voltage     40.5kv

Rated current     1600/2000A

Rated frequency   50/60Hz

Rated short-time power frequency withstand voltage(1min)   95kv

Rated lighting impulse withstand voltage(peak)             185kv

Rated short-circuit breaking current           20/25/31.5kA

Rated short-circuit making current(peak)       50/63/80kA

Rated operations of short-circuit breaking current interruption  20operations

Rated single capacitor bank breaking current    630A

Rated back-to-back capacitor breaking current   400A

Rated short-time withstand current      20/25/31.5kA

Rated peak withstand current          50/63/80kA

Rated duration of short-circuit          4s

Mechanical life                     20000operations

Contact closing force due to bellows and atmosphere   250±50N

Counterforce at rated contact stroke     330±60N

Ciruit resistance at rated contact force   ≤25µΩ

Shelf life              20years

Contact erosion limit     3mm

Weight of moving parts   ≤4.0kg

Rated operation sequence  O-0.3-CO-180s-CO