Square D™ Surgelogic™ Surge Protection Module, SPD Type 2, Series: IMA, 120/240 VAC Electrical Rating, 47 to 63 Hz Frequency, 1 Pole, 3 Wires, 200 kA Short Circuit, 120 kA Peak Surge Current, 150 VAC Clamping, 20 kA Nominal Discharge, Modes of Protection: L-N/L-G/L-L, LED Indicator, 1 ph, Environmental Conditions: 149 deg F Operating Temperature, NEMA 2 Enclosure, Panel Mounting, Plastic, Black, 3.26 in W x 2.69 in D x 6.25 in H Dimensions,