120/240 Vac Single Split Phase Spd For Use On A Variety Of Hvac Equipment Green Led: Protection Indicator Unmatched Surge Protection Ratings Only Hvac Surge Protector That Is Both Type 1 And Type 2 Compatible Meets All Ul1449 3Rd Edition Standards Type 4X Enclosure 18 In. 10 Gauge Leads 1/2 Inch X 20 Threaded Nipple (Weatherproof And Uv Resistant) All Intermatic Surge Protective Devices Utilize State-Of-The-Art Surge Technology Specifications: Service Voltage: 120/240 Vac 50-60Hz Phase: Single Spd Type: 1 Or 2 Mcov: L-N 150V L-L 300V In Rating: 10Ka Sccr: 20Ka Vpr: L-N/G 600 L-L 900 Modes Of Protection: 3 (L1-N L2-N L1-L2) Surge Protection Technology: Number Of Leads: 3 Lead Length: 18 Lead Gauge: #10 Awg Wiring Config: L1 L2 L/N-G Enclosure: 4X