Air Insulated Switchgear
Air Insulated Switchgear

Uniswitch
Cubicle Types

Sectionalising Breaker Cubicle, type SBC

Sectionalising breaker cubicle is used together with the bus riser cubicle. The standard cubicles are equipped with a SF6 insulated 3-position switch disconnector in series with a circuit breaker for sectionalising the busbar. The cubicle is equipped with a vacuum or a SF6-gas circuit breaker. The breaker is rail mounted and fixed to the busbars. Earthing facility on the switch disconnector is always included.


The door is mechanically interlocked with the switch disconnector's earthing position to give personal safety. The cubicle is designed to be equipped with CTs and VTs (Standard DIN size, see item 5.9).




Basic equipment

Top unit on right hand side, including:

  • 3-position switch disconnector
  • operation mechanism with mechanical position indication
  • enclosure of busbar compartment
  • interlocking unit
  • busbars
  • earthing bar


Top unit on left hand side, including:

  • integrated low voltage compartment for secondary components
  • enclosure of busbar compartment



Cubicle Accessories

  • circuit breaker, vacuum- or SF6-type
  • integrated voltage indicators or socket interface for portable indicators
  • current transformers
  • voltage transformers
  • auxiliary contacts for close (2NO+2NC) and earth (2NO+2NC) position
  • gas density indication with alarm contact for switch disconnector
  • motor operation device
  • arc-gas channel
  • channel for control cables
  • earthing switch type EM
  • anti condensation heater
  • through-going earthing bar
  • apparatus earthing bar

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Jl. Hayam Wuruk No. 4 E-G-I

Jakarta Pusat 10120

Indonesia