Potential Relay, Pick-Up Voltage Setting Adjustability Not Applicable, Minimum Pick Up Voltage 260V AC, Maximum Pick-Up Voltage 275V AC, Maximum Drop Out Voltage 135V AC, Coil Voltage 500V AC, Overall Height 1 11/16 in, Overall Width 2 in, Overall Depth 1 13/16 in, Compatible Manufacturer Part Number Not Applicable, Contact Form SPST, Relay Type Mechanical Potential Relay, Maximum Time Setting Not Applicable, Minimum Time Setting Not Applicable, Voltage Sensing Not Voltage Sensing