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Gas Insulated VCB

Ratings

  • Rated Voltage: 12kV, 24kV, 26kV
  • Rated Current: 800A, 1250A, 1600A, 2000A
  • Rated short circuit: 25KA

Indoor and Outdoor versions
Suitable for line up of panels

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Product Description

Megawin Gas Insulated Switchgear (GIS) comes as compact, light, modular and maintenance free units for primary distribution for voltage classes of 12kV, 24kV and 36kV. This three phase unit can have busbar arrangement both inside and outside the hermetically sealed SF6 gas unit for up to 2000A. All our units are assembled and routine tested in the factory. Megawin GIS is engineered to provide high reliability in the network, safety.

Product Features

  • Available for classes up to 36kV/2000A/25kA.

  • Vacuum interruption with SF6 dielectric medium

  • Busbar arrangement can be provided both inside and outside the gas tank.

  • Motorized and local operated off load isolator

  • Typically used as coupling panels

  • Hermetically sealed stainless steel gas tank

  • SCADA compatible.

  • Smart grid ready.

Application

  • Capacitor bank switching

  • Transformer switching

  • Motor switching

  • Feeder switching

Market Segments

  • Power plants

  • Substation

  • Industries

  • Cement

  • Mining

  • Railways

  • Airports

  • Petrochemicals

  • Automotive and more

Advantage

  • Maintenance free and Compact design

  • Environmentally safe

  • Low civil cost

  • High operating temperatures

System Voltage 12kV 36kV
Rated Voltage 11kV 33kV
Rated normal Current 1250A/1600A
Short time current withstand capacity 25kA
Rated Frequency 50Hz.
Power frequency withstand voltage 28kV(rms) 70kV(rms)
Lightning impulse withstand voltage 75kV peak 170kV peak
Short circuit breaking current for circuit breaker 25kA/3Sec
Short circuit making current for circuit breaker 62.5kA
Internal arc withstand capacity 25kA/1sec
Degree of protection (indoor) CRCA IP4X
SS Tank IP67
Degree of protection (outdoor) CRCA IP54
>SS Tank IP67
Design ambient temperature 50  ̊C
Rated insulation level 12/28/75 36/70/170
Cable entry Front
Site extensibility Both side (Left and Right )
Operating Sequence O-.3S-CO-3M-CO-3M-CO
Dielectric medium SF6
Breaking medium Vacuum
Operating Mechanism Spring
Mechanical life 10,000 Operations
Electrical life at rated current 100 Operations
Auxiliary voltage 24V
Relevant standards IEC 62271-200, IEC 62271 – 100, IEC 62271 – 102 etc

Applicable Standards

  •  IEC: 62271-100, IEC: 62271-200, 102

RESOURCES