Timing Relays - Selectable Mode Operation: Type - Timing Relay; Mounting - Plug-In Base; Terminals - 8-Pin Octal; Operation - Multi-Function, 4-Modes; Contacts - Delayed SPDT + Instant SPDT; Amps - 3; Coil Volts - 24VAC/DC; Ranges - (4) User-Select; Range Min-Max - 0.1 sec - 180 hrs; Timing Adjustment - Knob; Additional Information - Temperature Range: -10 to 50 degC (14 to 122 degF), Housing Color: Gray; Manufacturer Series - GT3A