• 1. 
  2. Indoor Medium Voltage Vacuum Circuit Breaker
     Rated voltage (kV): 40.5
     Rated frequency (Hz): 50, 60
     Rated current (A): 630, 1250, 1600, 2000

• 1. 
  2. Indoor Load Break Switch
     Rated voltage (kV): 12, 24
     Rated frequency (Hz): 50, 60
     Rated current (A): 400, 630

• 1. 
  2. Indoor Disconnect switch
     Rated voltage (kV): 12
     Rated frequency (Hz): 50, 60
     Rated current (A): 1600-2000, 2500-3150

• 1. 
  2. Indoor Earthing switch
     Rated voltage (kV): 12，24，40.5
     Rated short-time withstand current (kA): 31.5，40，50
     Rated short-circuit duration (s): 4

• 1. 
  2. Spring Operating Mechanism
     CT20 spring operating mechanism applies to app aratu s that ratin g below 12k V/25 kA an d ZW 20A model outdoor vacuum circuit breaker, as well as those VCB with equivalent closing power. The mechanism is of small volume, comp act structure and small input power. The mechanism store energy by motor and manual, and operate by motor and manual.