Product Range Switchgear Products Division

Medium Voltage Gas Insulated Switchgear

Salient Features :

  • Only very small space is required as compared to conventional air insulated switchgear
  • Minimum maintenance
  • Three phases enclosed in tubular mild steel enclosures
  • Vacuum interrupters are in triangular formation
  • Plug in type cable terminations
  • Modular construction
  • Integral earthing
  • Hermetically seated enclosures
  • Separate panel for busbar earthing and voltage transformers
  • Conventional epoxy resin instrument transformers.
  • Motor/manual operated disconnectors
  • Compatible to remote operation.
  • Full safety to operator
  • Mechanism is of M2 class
  • Motor wound spring charged mechanism with charging time of < 10 sec
  • Manual spring charging facility

Technical Parameters :

Description

Rating

Rated Voltage
1 min. Rated power frequency withstand voltage
Rated lighting withstand voltage
Rated frequency
Rated bursar current
Rated feeder current
Rated short time withstand current for 3sec
Rated short circuit breaking current of circuit breaker Rated short circuit making current of circuit breaker
Rated operating sequence
Closing time
Opening time
Insulating gas
Current transformer

36 kV rms
70 kV rms
170 kV peak
50 Hz
Up to 3150 Amps
Up to 2500 Amps
25 kA rms
25 kA rms
62.5 kA peak

O-0.3sec-CO-3min-CO
55+5 ms
40+5 ms
SF6
As per customer requirement

 
Employee Login Home Contact Us