nVent ERICO Service Entrance Suppressor, Series: SES40P, 120/240 V AC Electrical Rating, 0 to 100 Hz Frequency, 2W+G Wires, 200 kA Short Circuit, 20 kA Nominal Discharge, Modes of Protection: L-L/L-N, 8/20 us Response, Blue LED Indicator, 1 ph, Environmental Conditions: -40 to 176 deg F, NEMA 4X/IP65 Enclosure, 1/2 in Straight Nipple Mounting, Lead Terminal, Thermoplastic, 2-3/4 in H x 4-3/4 in W x 3 in D Dimensions