Reliable. Tough. The Defender is your main power relay solution. With only one relay switching point, it is designed with built-in Transient Voltage Suppression (TVS) and can handle currents as low as 350 milliamps and as high as 200 amps (refer to drawing). The Defender is perfectly suited for agriculture and construction equipment, and emergency vehicles (ambulances, firetrucks, etc.). Quite simply, it's the best Defense for your electrical system.