Air Insulated Switchgear

L&T’s medium voltage switchgear assemblies are designed from 3.3 to 36 kV. All these are designed for indoor application considering customers’ space constraints. The VH-AIS range of switchgear has a metal clad design, and its robust construction ensures it functions well even in adverse environment conditions. We give you a choice of fixed or withdrawable Vacuum Circuit Breakers in the assembly. Switchgear Assemblies, Breakers, Contactors are designed & manufactured according to IEC 62271 series. We assure compact size of assembly without compromising safety features. Protection against 40kA for 3 seconds can be delivered in a design as compact as 600mm.


  1. Up to 50kA, 3 second short circuit withstand capacity
  2. Loss of service continuity-2B
  3. IP4X
  4. Additional Customised safety interlock
  5. Numerous number of operating cycles
  6. Efficient 10000 switching operations
  7. Structural Based Design