The Square D / Schneider Electric I-Line Style Plug-In Molded Case Circuit Breaker Is a 3 pole Thermal Magnetic Circuit Breaker that features a current rating of 50 amps and is 600 Volts. This Powerpact BGA Square D Circuit Breaker has an AIC rating of 35kA@480V. The Trip unit supports LI - Long-Time and Instantaneous functions and the product also includes a industry leanding two year warranty.