Basic Function:

  • High Voltage (11KV) Controlling or Switching
  • Protection (Over Load, Short Circuit, Earth Fault or any Electrical Fault
  • Status reading (current, voltage, frequency)


Components  :

  • LBS from 315 KVA up to 630KVA Substation
  • VCB above 630KVA Substation


  • Rated Voltage (KV)         : 12
  • Rated Current in Busbar         : 630/800/1250
  • Power Frequency Withstand Voltage (KV/1min) : 28
  • Rated Frequency         : 50
  • Standard         : IEC


Main Features:

  • VCB, LBS, SF6 circuit breaker and switchboards are of optimized design considering Bangladeshi supply condition and ambient.
  • The Breaker and switchboard is of compact design, sturdy construction and simple in operation with a proven motorized spring operated mechanism.
  • Design ensures ease of operation, low cost maintenance and higher longevity.
  • Very high quality ring main unit (RMU) suitable for highly populated city like Dhaka for multiple feeders in incoming and outgoing are used.
  • Equipped with built-in mechanical interlocks for safety and the breaker compartment is so designed, that it ensures the inter chargeability with the identical circuit breakers.
  • The panels are fully compartmentalized and extensible on both sides
  • Adequate air clearance