New Square D QOU340 3 Poles, 40 Amps, 240 Volts

The Square D QOU340 is a three-pole circuit breaker rated for 40 amps at 240 volts, engineered for three-phase power distribution and motor protection applications. This breaker features Square D's QOU design with advanced thermal-magnetic trip technology, ensuring precise coordination in complex electrical systems. Its compact footprint accommodates space-constrained panelboards while delivering consistent performance under demanding industrial and commercial conditions. UL-listed and standards-compliant, the QOU340 provides the reliability required for three-phase circuit protection and equipment control.

We Supply breakers, disconnects, panels, transformers and fuses to contractors and electricians in the greater Houston area and are always adding new products to better serve you. We carry the 4 major brands: Cutler-Hammer, General Electric, Siemens and Square D. We offer fair and competitive prices to keep your costs down. Mission: Our mission is to provide you with great customer service and a great product. We strive do deliver what you need every time to keep you moving in the right direction.

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