India
These DM boxes are highly admired in the market for their high performance and low maintenance.
Alwaye Load Selectors (ALS) was established in 1997 at Bangalore, as the third manufacturing facility of The Alwaye Group of Industries. ALS specializes in the Design, Manufacturing and Supply of Off Circuit Tap Switches and Off Circuit Voltage Changeover Switches.
More details:View company website
 for Off Circuit Tap Switches and Star Delta Switches.){kind=link}