ICM493 Single Phase Monitor with surge suppression Line Voltage Monitor with Surge The ICM493 is an advanced, single-phase line voltage monitor with a bank of surge arresters for added protection against brownouts, lightning strikes, power outages & recoveries, startup of larger equipment, power grid faults, short circuits and more. Includes a built-in 40A contactor. Housed in a NEMA Rated 3R enclosure for outdoor installations. UL Listed. Installs easily between the service disconnect and the condensing unit. Ideal for Mini-Splits or other valuable, single-phase equipment. Line Voltage Monitor with Surge Protects against over and under voltage, rapid short cycling and high-power surges Programmable set points to determine cutoff Ideal for inverter systems, mini-splits, and other condensing units Fault history feature records and retains the most recent faults in non-volatile memory Bank of five L-L Surge Arresters Easy to view, backlit digital display Built-in 40A contactor Waterproof, NEMA–Rated 3R enclosure for outdoor use Easy installation and setup Limited lifetime product, up to a 3-year $10,000 connected equipment warranty