Intermatic IG1300 2T 1C3 Surge Protective Device, 2 Telephone Lines, 1 Coax Lines B11801 Walk in Refrigeration Cooler Freezer Walk in Refrigeration Cooler Freezer 2 Enclosure Type Indoor outdoor type 4X Surge Protection Technology TPMOV® Voltage 120 240 VAC Single Phase Wiring Option Wire leads Warranty Period 3 Year limited Maximum Surge Current Rating Per Phase 50 kA Connected Equipment Warranty Period 3 Year limited Joules 0 Maximum Continuous Operating Voltage (L L) 300 Maximum Continuous Operating Voltage (L N) 150 Nominal Discharge Current 20 kA Short Circuit Current Rating 100 kA Surge Protection LED Indicator Green UL Standard Ansi UL 1449 4th Edition Voltage Protection Rating (L L) 1200 Voltage Protection Rating (L1 N G) 700 Operating Temperature Max (°C) 70 Operating Temperature Max (°F) 158 Operating Temperature Min (°C) 40 Operating Temperature Min (°F) 40 Product Depth (in) 4 Six modes of protection for AC SPD Install Manual