Description
The Siemens QJ22B225 is a low-voltage molded case circuit breaker engineered for dependable circuit protection in commercial and industrial electrical systems. This 2-pole breaker is rated at 225 amps and 240V AC, utilizing a thermal magnetic trip unit to provide reliable overload and short-circuit protection. With a bolt-on mounting design, the QJ22B225 ensures secure installation in power distribution equipment.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Circuit Breaker |
| Part Number |
QJ22B225 |
| Subcategory |
Molded Case Circuit Breaker |
| Series |
QJ Frame |
| Frame Type |
QJ2 |
| Amperage Rating |
225 A |
| Voltage Rating |
240 VAC |
| Number of Poles |
2 |
| Phase |
Single Phase |
| Trip Unit Type |
Thermal Magnetic |
| Trip Functions |
Long-Time and Instantaneous |
| Interrupt Rating |
10 kAIC @ 240 V |
| Mounting Type |
Bolt-On |
| Connection Type |
Bolt-On |
| Operating Temperature |
40°C |
| Certifications |
UL Listed, CSA Approved |
| Dimensions (H × W × D) |
3 in × 7 in × 2.34 in |
| Weight |
3.27 lb |
Information About QJ22B225
The QJ22B225 is part of the Siemens QJ2 frame molded case circuit breaker family, designed for single-phase power distribution applications. It incorporates a non-interchangeable thermal magnetic trip mechanism that delivers long-time and instantaneous protection for branch and feeder circuits. Built with a bolt-on connection style, this breaker integrates seamlessly into panelboards, load centers, and switchboards requiring QJ-frame compatibility. Its UL listing and CSA approval confirm compliance with recognized electrical safety standards.
Key Features:
- 2-Pole Configuration: Provides coordinated protection across two conductors
- Thermal Magnetic Trip Unit: Delivers dependable long-time and instantaneous fault response
- 10kA Interrupt Rating: Rated at 10kAIC at 240V for standard short-circuit protection
- Bolt-On Mounting: Ensures stable and secure installation
- QJ2 Frame Design: Compact and durable construction for power distribution systems
- Certified Compliance: UL Listed and CSA Approved for regulated applications
The QJ22B225 delivers the reliability and precision required for commercial and industrial power distribution protection.
