Intermatic GM40AV 40 A, Autovoltage General Purpose Time Control H10S13Y3DG1 Color Gray Modes of Protection Color Gray Modes of Protection 7 Surge Protection Type 2 Enclosure Type NEMA Type 4X Surge Protection Technology Individually integrated thermal disconnect technology TPMOV Voltage 120 240 VAC Single Phase Filter EMI RFI Filter Warranty Period 10 Year limited Has LED Remote Contact Audible Alarm Yes Maximum Surge Current Rating Per Phase 200 kA AC Sinewave Tracking (EMI RFI) Level Sinewave tracking (EMI RFI) level is up to 54 This 2 inch reduced pressure zone assembly is designed to prevent the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements Self recharging battery backup Captive trippers trippers cannot be lost