Intermatic L5F13Y2DG1 Surge Protective Device, 4 Mode, 277 480 VAC 3Phase Y 2200 Hot swappable 12 station expansion module can Hot swappable 12 station expansion module can be installed without powering down the controller These models also allow for biweekly scheduling with the convenient 14 day skipper for maximum water conservation and odd even day compliance Color Gray Modes of Protection 4 Surge Protection Type 1 Enclosure Type NEMA Type 4X Surge Protection Technology Individually integrated thermal disconnect technology TPMOV Voltage 277 480 VAC 3 Phase Wye Filter No Filter Warranty Period 5 Year limited Has LED Remote Contact Audible Alarm No Maximum Surge Current Rating Per Phase 50 kA Conduit Size 3 4" Diagnostics Indicator Blue LED Protection Status Indicator PANELGUARD Industrial Commercial grade series are Parallel Connected Surge Protective Devices designed to protect all types of loads fed from individual disconnects