ICM Controls Sentry 3N1 Surge Disconnect Line Voltage Monitor TH1320U4002/U Features combination polished and black-oxide

Features combination polished and black-oxide finish

3-year limited warranty

Battery (One 9V Alkaline)

Number of Pieces: 7

ICM Controls Sentry 3N1 Surge Disconnect Line Voltage Monitor TH1320U4002/U Features combination polished and black-oxideICM Controls Sentry 3N1 Surge Disconnect Line Voltage Monitor Single Phase Surge Protection, Line Voltage Monitoring, and Disconnect The Sentry 3N1 combines the benefits of a ICM517A single phase surge protective device, and an ICM492 single phase voltage monitor while incorporating a disconnect breaker into one easy to install solution. It provides techs and homeowners a convenient way to break the power, protect against power surges and over under