Progressive Industries HW50C Hardwired EMS Surge & Electrical Protection- 50 Amps Surge Protection: 5-Mode / 3,580J / 88,000A. Ratings: 50A / 120V/240V / 12,000W. Operating Temperatures: -40C to +105C. Includes 14' Data Cable Open Ground, Open Neutral and Reverse Polarity detection and protection, Over/Under voltage Protection, Accidental 240V Protection and A/C Frequency Protection Miswired pedestal indication and surge failure indicator Remote Scrolling Digital Display scrolls continuously through the power source information UL Certified and Canadian Approved. Lifetime Warranty.