Unitised substation are designed for locations where space and safety is a concern, population density is high, such as urban centre. Unitised substation is divided in three section or compartment Medium Voltage, Transformer and Low Voltage Switchboard. Unitised substations are designed in accordance with IS 14786 / IEC 61330 standards with degree of protection for IP23 for Transformer and IP 54 for MV & LV compartments or as per customer requirement.
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  • Completely Factory built
  • Superior Aesthetics
  • Convenience in portability
  • Ready to install & Commission
  • Compact in size
  • Minimal maintenance
  • Suitable for roof top & Basement


MV Compartment
MV Switchgear 3.3 to 33 KV
Type of Switchgear LBS / SFU / Breaker / RMU / VCB
Insulation Medium SF6 Gas or Vacuum
Tripping Fuse / Relay
Short Circuit Rating Up to 20 KA or as per customer requirement
Transformer Compartment
Type of cooling Oil Immersed / Dry Type
Rating 100 to 2000 KVA
Voltage 3.3 to 33/0.433 KV or any specific
Phase / Frequency 3 Phase / 50 or 60 Hz.
Vector Group Dyn1 or Dyn5 or Dyn11 or any specific.
LV Compartment
LV Switchgear ACB's, MCCB's ,MCB’s , HRC Fuse.
Current Rating Up to 4000 Amps
Voltage 433 Volts
No. of Poles 3 / 4
Short Circuit Rating 50KA or as per customer requirement