The ICM Controls ICM517A-Lite (also referenced as ICM 517-LITE, ICM 517 LITE, ICM 517A-LITE, or ICM 517A LITE) is a 120/240V single-phase surge protective device engineered to protect HVAC systems, motors, and sensitive electronics from damaging power surges and transients. Designed as a direct replacement for the AG3000, the ICM 517 LITE offers a straightforward upgrade path for technicians servicing older units. Built with TPMOV (thermally protected MOV) technology, the ICM 517A-LITE delivers reliable surge suppression while reducing the risk of overheating common in standard MOV-based devices. It's rated to handle up to 60,000 surge amps with 612 joules of energy dissipation capacity, giving the ICM 517-LITE a high-performance rating suited for demanding applications. Housed in a NEMA Type 4X watertight enclosure, the ICM 517A LITE is protected against dust, rain, and harsh outdoor conditions, making it suitable for both indoor and outdoor installs. Its compact profile, 1/2" conduit connection, and green status LED make installation and monitoring fast and straightforward. The ICM 517 LITE is UL Listed, independently tested and certified for safety, reliability, and code compliance. Key Details: Model: ICM517A-Lite (ICM 517-LITE / ICM 517 LITE / ICM 517A-LITE / ICM 517A LITE) Type: Single-phase HVAC surge protective device Technology: TPMOV (thermally protected MOV) Surge Rating: 60,000 amps / 612 joules Voltage: 120/240V single-phase Enclosure: NEMA Type 4X, watertight Certification: UL Listed Replacement For: AG3000