The Square D QOB270 is a two-pole, bolt-on miniature circuit breaker rated for 70 A at 120/240 VAC, designed for use in Square D QO-style panels and compatible enclosures. It features common-trip operation to disconnect both poles simultaneously and carries a 10 kA interrupting rating at 120/240 VAC, providing reliable overcurrent protection for branch circuits and feeders in residential or light commercial installations. As part of the QOB family, this model represents the bolt-on variant of Square D’s QO/B line, delivering robust protection in installations that require secure mounting and easy installation.
