Littelfuse, Inc. Monitor - Relay Output ECSH41BC

The ECSH41BC is a single-phase AC current monitoring relay with selectable overcurrent sensing, designed for 120VAC operation. It features a built-in toroidal sensor for direct current measurement without an external current transformer, and an isolated 10A SPDT relay output rated for 1/4 hp at 125VAC or 1/2 hp at 250VAC. The trip point is adjustable from 2 to 20A with a trip delay range of 0.5 to 50 seconds and a factory-set sensing delay on startup of 1 second. The device is encapsulated for protection against shock, vibration, and humidity, with an operating temperature range of -40°C to 60°C. It mounts via two #6 (M3.5 x 0.6) screws and uses 0.25 in. (6.35 mm) male quick-connect terminals. Dimensions are 88.9 mm H x 63.5 mm W x 44.5 mm D.