Large Frame Circuit Breakers: Type - Miniature Circuit Breaker; Voltage Maximum - 480Y/277V AC; Number of Poles - 3P; Amps - 15; kA IR 240V AC - 10; kA IR 277V AC - 10; kA IR 480V AC - 10; Terminals - Single-barrel wire lugs; Dimensions WxHxD - 2.13x3.19x2.76 in. (54x81x70 mm); Frame Type - M-Frame; Manufacturer Series - MGN