Single phase preventor is a current or voltage sensing device which works on solid state circuitry to prevent motors against single phasing, phase reversal and under voltage.

Auto start preventers

Auto start is an electronic device which operates when the power supply to the motor resumes after a break, without use of ON-OFF button operation. Manual mode is also available with which `manual’ ON-OFF can be done.
Dial type timer is in built for adjustment of delay timing.
Auto-manual position is clearly indicated by LED`S