L.T. Switchboards

Applications

Receives power from PCC or main LT Panel. LT Switchgears may only distribute power to various utilities other than motors.

Constructions

  • Single or double front modular structure.
  • Extensibility on either side possible.
  • Horizontal busbar chamber in front/rear.
  • Zinc plated hardware.
  • Identification labels for feeders and individual components.
  • Facility busduct termination (optional) in PCC.

Pre-treatment and Painting

  • Seven tank pretreatment process.
  • Epoxy powder coated.

Busbar System

Transmits bulk power from transformer/DG set to PCC/main LT Panel. more..

  • Totally segregated horizontal and vertical busbars in TP/TPN configuration with phase identification.
  • Copper busbars for control and auxiliary circuits provided.
  • Busbars are matt black painted/sleeved with hat shrinkable PVC sleeves except at connections.
  • Busbars supported on EPOXY/SMC supports.
  • Covers/Shrouds provided for isolation and safe working.

Wiring and Earthing

  • ISI marked PVC insulated stranded copper conductor 660/1100 V grade used.
  • Crimped lugs and ferrules provided at each termination end.
  • Common earthbus Copper/Aluminium runs the entire length of the panel.
  • Each module is individually connected to earth.
  • Neat appearance.