The Square D LJA36600U31XYP PowerPact MicroLogic 3P 600A 600V I-Line Circuit Breaker is a high-quality and reliable electrical component suitable for commercial applications. With a maximum amperage of 600A and a voltage rating of 600V, this circuit breaker provides overcurrent protection and thermal overload protection, ensuring the safety of your electrical system. Its plug-on mounting style and trip indicator features make it easy to install and operate, while its instantaneous break time and triple pole single throw contact configuration offer efficient and effective circuit breaking. This product is designed by Square D, a trusted brand in the industry, and is made of durable ABS/plastic material.