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Vacuum load-break switch / indoor 12 kV, 630 A | FZN21-12D/T630-20, FZRN21-12D/T125-31.

 Vacuum load-break switch / indoor 12 kV, 630 A | FZN21-12D/T630-20, FZRN21-12D/T125-31.

    skype: mark2002719   email : mark2002719@gmail.com


FZN21-12D/T630-20 Indoor Vacuum Switch / FZRN21-12D/T125-31.5 Indoor AC HV Vacuum Switch-fuse Combination 

Application: in the system of 50Hz, 12kV for making and breaking of load current, over-load current and short-circuit current to control and protect the circuit and transformer, etc.
Standards: IEC 60265, IEC 60420

Features: 
 High breaking capacity.
 Compact design and light in weight.
 Reliable operation and long operation endurance.

Technical Data:
 Rated voltage (kV): 
- FZN21-12D/T630-20: 12 
- FZN21-12D/T125-20: 12
 Rated frequency (Hz): 
- FZN21-12D/T630-20: 50
- FZN21-12D/T125-20: 50
 Rated current (A): 
- FZN21-12D/T630-20: 630
- FZN21-12D/T125-20: 125
 Rated insulation level: 1min power frequency withstand voltage (kV):
- FZN21-12D/T630-20: 42 
- FZN21-12D/T125-20: 48
 Rated lighting impulse withstand voltage (kV): 
- FZN21-12D/T630-20: 75
- FZN21-12D/T125-20: 85
 Rated withstands current (peak) [kA]: FZN21-12D/T630-20: 50
 Rated short-time withstands current(RMS) (kA): FZN21-12D/T630-20: 20 
 Rated breaking current of active load (A): FZN21-12D/T630-20: 630 
 Rated breaking current of closed loop (A): FZN21-12D/T630-20: 630
 Rated cable-charging breaking current (A): FZN21-12D/T630-20: 10
 Breaking capacity of no-load transformer (kVA): 
- FZN21-12D/T630-20: 1250
- FZN21-12D/T125-20: 1250
 Rated short-circuit breaking current (kA): FZN21-12D/T125-20: 31.5

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