Siemens QJ22B125L | Siemens 125A 2-Pole 240V Feed-Thru Molded Case Circuit Breaker

Description The Siemens QJ22B125L is a 2-pole molded case circuit breaker designed to provide dependable protection for 240V single-phase electrical systems. With a 125-amp rating and thermal-magnetic trip performance, it safeguards equipment from overload and short-circuit conditions. The QJ22B125L uses a feed-thru configuration suited for panelboards requiring straightforward line and load termination. Technical Specifications Condition New/Never Used Surplus Brand Siemens Category Circuit Protection Part Number QJ22B125L Subcategory Molded Case Circuit Breakers Series QJ Amperage 125A Voltage Rating 240V Poles 2 Phase 1 Interrupting Rating 10kAIC @ 240V Protection Type Thermal Magnetic Trip Functions Long-Time and Instantaneous Connection Type Feed-Thru Frame Type QJ Terminal Type Line and Load Side Lugs Type QJ2 Certification UL Listed Country of Origin Mexico Weight 3 lb Information About QJ22B125L The QJ22B125L is part of the Siemens QJ Series, engineered to support a wide range of commercial and light-industrial distribution systems. Its molded case design and QJ-frame construction offer durable performance and compatibility with Siemens panelboards using feed-thru terminations. This breaker incorporates long-time and instantaneous trip technology, ensuring accurate response to both sustained overloads and sudden faults. Built for 240V, 1-phase applications, it provides a practical solution where moderate fault-current interruption is required. Key Features: 125A Current Rating: Supports higher-capacity loads in 240V single-phase systems. Thermal-Magnetic Protection: Ensures dependable overload and short-circuit response under varying electrical conditions. 10kAIC Interrupt Rating: Suitable for installations with moderate available fault current. Feed-Thru Connection: Allows direct line-to-load integration for straightforward panelboard installation. QJ Frame Design: Provides robust mechanical structure and compatibility with Siemens QJ Series equipment. 2-Pole Construction: Protects two conductors simultaneously for balanced circuit protection. Line and Load Side Lugs: Enables secure terminations to accommodate installation requirements. The QJ22B125L delivers the reliability and precision required for molded case circuit protection in 240V distribution systems.