Parallax Power Management System ALS20 19-2842

Load Shed Device Dimensions: 4-3/4"W x 4-1/8"H x 6-1/4"D Weight: 3-1/2 pounds. Allows more items to be used from limited number of circuit breakers. Allows circuits to temporarily shed priority load (such as water heater) to power on-demand device such as microwave oven. Meets NEC requirements for operation of more than two thermostatically controlled devices.