The ECSW Series is a single-phase, AC window current sensor with adjustable overcurrent and undercurrent trip points ranging from 0.5A to 50A in three ranges. It may be ordered with a fixed or adjustable trip delay of 0.15 to 50 seconds, in two ranges. The sensor is designed to detect faults such as locked rotor, loss of load, an open heater or lamp load, a broken belt, a jam or loss of suction. A toroidal sensor is also built in. Entrelec