The Square D HL4IMA12C Surge Protective Device Surgelogic provides surge protection for electrical systems up to 60 amps, with a maximum rating of 120kA at 480Y/277 VAC. Designed for three-phase applications, this device offers reliable protection against power surges and spikes, ensuring the safety and efficiency of electrical circuits in a variety of industrial and commercial settings. With its trusted brand reputation and specific model number, the Square D HL4IMA12C Surge Protective Device is a top choice for electrical protection in a wide range of professional environments.