Manufacturing for TOV has been discontinued. As an alternative, please refer to 350.

Type TOV relays are undervoltage and overvoltage relays, single phase or three phase, instantaneous or fixed time.

Applications 

• Automatic transfer equipment
• Automatic control systems

Protection and Control 

• Instantaneous under and overvoltage
• Time delay under and overvoltage
• Phase to ground fault detection in isolated neutral systems