' Enclosed Pre-Wired Relay, Coil Volts 24VAC/DC, 208 to 277VAC, Contact Form SPDT, Dimensions 2.3 In.H x 3.2 In.W x 1.8 In.D, Contact Material Silver Cadmium Oxide, Indicator Type LED, Contact Amp Rating (Resistive) 20A @ 277VAC, 5A @ 480VAC, 16 In. Lead Length, Application Power, 1/2 In. NPT Nipple Size, HP @ 120V 1, HP @ 240V 2, Hz 50/60, NEMA Enclosure Type 1, Response Time 18 msec, Features 1/2 In. NPT Nipple, LED Indicator, Standards UL Listed, CUL, CE, Cus '