The Westinghouse QC170 Quicklag-C 70A single-pole circuit breaker provides overload and short-circuit protection for power distribution systems. Rated for 120/240V and panel-mounted in the Quicklag-C family, this thermal-magnetic breaker interrupts a single pole for circuit protection. Common uses include panelboards, lighting systems, industrial control equipment, and motor branch protection in commercial and industrial facilities, and it supports replacement, retrofit, and panel upgrades. Common replacements include Eaton QC170, Square D QOB170, and Siemens BQ1B070.
