Designed for the commercial vehicle market, the PR60 and PR80 power relays handle continuous loads up to 300A and current peaks up to 2,400A. The PR60 is a mono-stable relay containing one coil and one resting position while the PR80 is a bi-stable relay containing two coils and two resting positions. Both components are environmentally sealed to IP67 and specify a shock rating of 40g and vibration rating of 6g. Additionally, they are available in voltage ratings of 12V, 24V, and 48V. E-T-A CIRCUIT BREAKERS, Chicago, IL. (800) 462-9979.