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.