The PSl range of 12kV AIS-VCB Panels with Pascal Make Vacuum Circuit Breakers are suitable for secondary distribuon networks up to 12kV, Short Circuit Breaking Current up to 26.3kA and rated currents up to 2000A for both indoor and outdoor applicaon.

The Air Insulated Switchgear Panels are designed for

  • M2, E2, C2 category with Virtually Maintenance-Free Operation.
  • To deliver a long service life with highest level of reliability.
  • Smart Grid Connectivity
  • Built in Safety features & Interlocks with Special Door Interlocks
  • All HV Compartments tested for internal arc for 0.1 Second /1 Second
  • Compared to the best in the industry at a low cost

Technical Details

Description Unit Rating
Rated Voltage kV 3.6-12
Rated Frequency Hz 50
Rated Power Frequency withstand voltage for 1 min kVrms 28/35
1.2/50ยต sec impulse withstand Voltage kVp 75/95
Rated Current A 630-1600
Rated Bus Bar Current A 630-2000
Rated Short Circuit Breaking Current kA 26.3kA
Rated Short Circuit Making Current kA 65.75kA
Rated Short Time Withstand Current for 3 Second kA 26.3
Rated Internal Arc Current IAC-AFLR for 1 Second kA 26.3
Rated Internal Arc Current IAC-AFLR for 0.1 Second kA 26.3

Type Test

Sl. No. Type Test Conducted as per IEC 62271-100/62271-200
1 Dry Power Frequency withstand Test
2 Lighting Impulse Voltage withstand Test
3 Temperature Rise Test
4 Mechanical Endurance Test Class M2
5 Degree of Protection - IP5X Test
6 Humidity Test
7 Short Time Withstand & Peak Withstand Current Test on Main Circuit & Earthing Circuit
8 Verification of Breaking & Making Capacity; complete Short Circuit Duty, T100s, T100a, T60, T30, T10 & Single Earth Fault Test Class E2
9 Cable Charging Current Test Class C2
10 Line Charging Current Test Class C2
11 Capacitor Bank Switching Test Class C2
12 Out of Phase Making & Breaking Test
13 Internal Arc Test IAC-AFLR 26.3kA for 1 Second on Busbar, Cable & Breaker Chamber
14 Internal Arc Test IAC-AFLR 26.3kA for 0.1 Second on Busbar, Cable & Breaker Chamber