Sylvania Electric Products QFL23200 Circuit Breaker

QFL23200 is a 200 Amp, three-pole molded-case circuit breaker from the Zinsco/QFL family, historically marketed under Sylvania and later Challenger/Thomas & Betts lines. It is rated for 240 V and uses a thermal-magnetic trip mechanism with an interrupting capacity of 10 kA at 240 V, making it suitable for large feeder circuits in compatible panels. The QFL23200 family includes variants such as standard and top-feed configurations (QFL23200-TF), with some units offered as feed-thru devices for service panel applications. Typically used in older Sylvania/Zinsco installations, this 3P breaker fits panels that list QFL-series breakers and requires proper panel compatibility to ensure safe operation and insurance considerations. The model identifier QFL23200 reflects its Zinsco-type design lineage and is associated with legacy catalogs from Sylvania Electric/Thomas & Betts, making it a specialized option for specific vintage electrical systems requiring a 200 A, 240 V, 3-pole breaker.