The Square D 125A 36kA Triple Pole McCb CNAE34125 is a high-quality circuit breaker designed for electrical wiring applications. With a maximum amperage of 125A and thermal overload protection, this Supplementary Protector is ideal for interior use. The switch control style and screw terminal electrical connection make it easy to operate and maintain. Suitable for any room, this mccb offers reliable protection with instant break time for peace of mind in electrical circuits.