Q21520CT | Siemens 20 Amp Quad Circuit Breaker

The Q21520CT from Siemens is a plug-in molded case circuit breaker designed for residential applications, offering robust circuit protection within load center mains, feeders, and miniature circuit breakers configurations. It belongs to the QT series and operates using a thermal magnetic trip mechanism. 

This circuit breaker is designed to handle electrical distribution tasks in residential settings, ensuring reliable performance and compliance with UL 489 standards for safety and reliability. The thermal magnetic trip mechanism provides effective protection against overcurrents, enhancing the safety of electrical systems. It features a 10 AIC interrupt rating, suitable for typical residential applications where protection against short circuits and overloads is critical. 

The Q21520CT is characterized by its compact design and plug-in installation, making it suitable for use in load center mains and feeders where space is a consideration. It supports a voltage rating of 120/240V, accommodating typical residential power requirements. Its configuration includes two single poles and one double pole, offering flexibility in circuit configurations within residential electrical systems.