Subtech Automatic Changeover Switches has unique construction. We offer premium quality auto changeover switches. It has four breaks per pole there by resulting into faster Quenching of arc. The load and line can be connected on either side by virtue of isolation on both the sides. Subtech is considered as one of the most trustworthy automatic change over switches suppliers in the industry.

Operating Mechanism
The switching mechanism is quick make; quick break type independent of the speed of the operation .It comes in operation voltage from 150V to 280V AC with extra unique features.

These switches has improved design enabling the relay top be in “ON” position only, while it is being used in generators. At the time of functioning on main supply the relay remains in “OFF” position. Minimal switch over time for main supply so that even sensitive electronic equipment does not get disconnected during the switch over. On resumption of main Supply, the connected load is automatically shifted on mains. Automatic engine switch off system for portable generators (Running on petrol / kerosene) when main supply is resumed.