Packaged Sub Station (PSS)

The Packaged Sub-station is a compact arrangement, which replaces conventional sub-station arrangement consisting of three compartments (i.e.) H.V. Compartment which houses Vacuum Circuit Breaker (VCB) or Load Break Switch (LBS), complete metering arrangement, the transformer compartment which houses oil cooled / dry type transformers & the LV components as per clients requirements

Compartment which houses ACB, MCCB, SFU etc. as per client’s requirement. All components for CSS/PSS are housed in an IP43 Class enclosure which protects the equipment against environmental hazards & unauthorized access. The electrical equipment is force cooled or naturally cooled through ventilation.

Optional Features of PSS

  • SCADA Compatible
  • Remote Operation through GSM/GPRS
  • Roof Solar Panels for Auxiliary and Emergency services along with Battery
  • Tap changer (Off Circuit)
  • Transformer Health Management System
  • Automatic Power Factor Control
  • LT Distribution Board up to 12 Feeders
  • Security camera
  • Metering Facility
  • Compatibility with DG Set

Product Specifications
Packaged Substation–11KV

Indoor/Outdoor Yes
Specifications Available Yes
Enclosure Size As Per Rating
Transformer type Dry/Oil
Mounting arrangement Pre-fabricated
Cable Connections I/P – XLPE
Protection I/P – RMU                     Panel
O/P – ACB –  APFC       Enclosure-IP43


  • Fully compartmentalized design
  • Easy to install, operate & requires very Less maintenance, cost effective & space efficient
  • Reduced Electrical Losses as PSS can be installed near the load center
  • A high degree of Safety & operational reliability is achieved by HT & LT switchgear with protective relays
  • Reduction in logistic cost as the PSS is delivered as a single unit Tailored Configuration to meet customer requirement
  • Aesthetically enhanced look & designed to suit the site topography, which gives pleasing appearance.
  • Robust in construction, reliable in operation and can be mobilized as one unit
  • Sufficient cooling of the integrated system is achieved by means of louvers


  • PSS are ideally suited for residential and commercial complexes as it can be placed on ground floor or basement or roof top of the high rise buildings
  • Mainly used by Data Centres, Pharmaceuticals Industries Multiplex, Hotels, Hospitals, Shopping Malls, Software Parks, Airport and Residential complexes etc.