Prier Heavy Commercial Wall Hydrant 3 4"NPT C 634N Size:12" Insertion Operating Temperature: 0 F to Operating Temperature: 0 F to 140 F Red LED Service Indicator Maximum Continuous Operating Voltage (L G) 150 Maximum Continuous Operating Voltage (L L) 300 Maximum Continuous Operating Voltage (L N) 150 Maximum Continuous Operating Voltage (N G) 150 Maximum Surge Current Rating Per Mode 50 kA Nominal Discharge Current 20 kA RoHS Certification Yes Short Circuit Current Rating 200 kA Surge Protection LED Indicator Yes Voltage Protection Rating (L G) 700 Voltage Protection Rating (L L) 1200 Voltage Protection Rating (L N) 700 Voltage Protection Rating (N G) 700 Wire Size Max #10 AWG Operating Temperature Max (°C) 80 Operating Temperature Max (°F) 176 Operating Temperature Min (°C) 40 Operating Temperature Min (°F) 40 Product Depth (in) 3 Since the PRIER C 634 installs through a core drilled 1 3 8" hole utilizing the provided clamping ring