The ICM515 is an economical, dual voltage Surge Protector. Protects Against... Lightning power surges Voltage surges from air conditioners, generators, motors... Features Easy installation Low cost, high performance Weatherproof housing Rugged, reliable Mode of Operation Surge protectors are designed to protect your equipment by dissipating momentary voltage spikes and transient power surges from lightning. Surge Protection for Refrigeration systems Motors Air conditioners Appliances Electronics Specifications Service voltage 120/240 volt, single phase Maximum Surge Current 24,000 amps Maximum Energy Dissipation 240 Joules Installation Point Electrical panel Electrical disconnect AC protection Modes Line-line, Line-ground Size 1.75" X 1.62" X 0.75" Weight 0.20 lbs