The Square D QOU3100 is a 3-pole circuit breaker with a maximum amperage of 100A and a voltage rating of 201-250V. It is designed for DIN mounting and has a single throw configuration. This high-quality product from Square D is ideal for industrial and commercial electrical applications where reliability and efficiency are critical. With its compact size and sturdy construction, the QOU3100 is a dependable choice for enhancing electrical safety and system functionality.