Adjustable Current Sensing Relay, Contact Form SPST-NO, Contact Rating (AC) 1 A @ 19 to 240V, Contact Rating (DC) 1 A @ 50V, Core Type Solid, Current Rating 45 A, Input Voltage 3 to 50V DC, Mounting Style Surface, Trip Point 3 to 45 A, Trip Point Type Adjustable, Electrical Connection Quick Connect Tabs, Sensing Hole Diameter 0.63 in, Status Indicator No Indicator, Body Depth 1 in, Body Height 2 in, Body Width 2 in, For Use With Sensors