The Square D QO3401021 is a high-performance miniature circuit breaker designed for reliable protection in electrical systems. This 3-pole breaker is rated for 40 amps and operates at 120/240 VAC, making it suitable for a variety of residential, commercial, and industrial applications. With a 10 kA interrupt rating, it ensures robust protection against overcurrent and short-circuit conditions.
The QO3401021 features a plug-in mount for easy installation and maintenance, and it is equipped with box lugs for secure electrical connections. It supports wire sizes ranging from AWG 8 to AWG 2, accommodating both copper and aluminium conductors. The breaker also includes a shunt trip option for remote tripping capabilities at 120/208/240 V AC.
Measuring 3 inches in height, 2.91 inches in depth, and 3 inches in width, this compact circuit breaker is designed to fit seamlessly into standard electrical panels, occupying four panel spaces. It is UL Listed and CSA certified, ensuring compliance with stringent safety and performance standards.
The Square D QO3401021 is a Green Premium product, meeting REACh and RoHS directives for environmental sustainability. It is free of toxic heavy metals and mercury, aligning with modern environmental and safety regulations. This circuit breaker is an excellent choice for those seeking a reliable and environmentally responsible solution for their electrical protection needs.