Overcasters®
OVPD- Over Voltage Protection Device
This device is designed to “crowbar” the Circuit Breaker by applying a short circuit electronically and “pop” the current Alternator Field Circuit Breaker when voltage is over 16 Volts to protect all of your electronics in your vehicle. If you want an OV device that has a “test button mode” we also offer this model: OVPD-TM Over Voltage Protection Device With Test Mode