OVERVIEW

We offer a complete range of medium-voltage switchgear and control gear in accordance with the national and international standards in quality and safety. Our medium voltage portfolio of products includes air-insulated switchgear and ring main units.

Product Range

 

AIS – AIR INSULATED SWITCHGEAR

We provide a wide range of air-insulated switchgear products that are manufactured to meet the highest and latest international standards. These products are mainly used for control and protection in medium-voltage power circuits for industrial, commercial and utility installations.

 

12/17.5 KV metal clad switchgear

Technical Specifications:

  • Air insulated Medium Voltage Metal clad switchgear, as per IEC 62271-200.
  • Rated Voltage: 12/17.5 KV
  • Main Bus Current Ratings: (630/1250/2000/3150) A
  • Functional units: Incoming Feeder, outgoing Feeder, Bus Riser, Bus Section, Bus VT (Bus Earthling).
  • Short circuit withstand current up to 31.5KA.
  • Short circuit duration tsc=3 sec
  • Frequency: 50/60 Hz
  • Power frequency withstand voltage (for 1 min): 38 kV (rms.)
  • Lightning impulse withstand voltage: (1.2/50 μs): 95kV (peak)
  • Internal Arc Classification: AFLR (31.5KA/1s)
  • Loss of Service continuity: LSC2B-PM

15 KV metal clad switchgear, type ANSI switchgear

Technical Specifications:

  • Air insulated Medium Voltage Metal clad switchgear, as with ANSI/ IEEE C37.20.2
  • Rated Voltage: 4.76 KV/8.2 KV/15KV
  • Main Bus Current Ratings: (1200/2000/3000/3500) A and 4000A Forced Cooling
  • Functional units: Incoming Feeder, outgoing Feeder, Bus Riser, Bus Coupler, with different breaker stacking configurations.
  • Short circuit withstand current up to 50KA
  • Short circuit duration tsc= 2 sec
  • Power frequency withstand voltage: 60Hz – 1 min 19kV/36kV (rms.)
  • Lightning impulse withstand voltage: 60kV/95kV (peak)

17.5 KV metal clad switchgear, type NES-H

Technical Specifications:

  • Air Insulated Medium Voltage Metal Clad Switchgear as per IEC 62271-200
  • Rated voltage: 17.5kV
  • Main bus current ratings: (630/1250/3150/4000*) A, *4000A is forced cooling
  • Functional units: Incoming Feeder, Outgoing Feeder, Bus Riser, Bus Section, Bus VT/Earthling
  • Short circuit withstand current up to 40kA
  • Short circuit duration (tsc): 3 sec
  • Frequency: 60Hz
  • Power frequency withstand voltage (for 1min): 38kV (rms.)
  • Lightning impulse withstand voltage (1.2/50 μs): 95kV (peak)
  • Internal arc classification: AFLR (40KA/1sec)
  • Loss of service continuity: LSC2B-PM

17.5 KV metal enclosed switchgear, type ME6

Technical Specifications:

  • Modular Extensible Air insulated Ring Main Units
  • Rated voltage Ur = 17.5/24 KV
  • Rated thermal current (at 40 °C) Ir= 630 A
  • Short circuit withstand current: 25 KA
  • Short circuit duration: 1 sec
  • Power frequency Withstand voltage (1 min): 38/50 KV
  • Lightning Impulse withstand voltage Up: 95/110/125 KV
  • Loss of service continuity category (LSC) LSC2A
  • Internal arc classified sides AFLR
  • Degree of protection IP41

Functional units: Incoming /outgoing units, Transformer protection unit