Description
The Siemens QRH22B150 is a molded case circuit breaker designed to provide reliable overcurrent protection in commercial and industrial electrical systems. This 2-pole breaker is rated at 150 amps and 240V AC, utilizing a thermal magnetic trip unit to protect against overloads and short-circuit conditions. With a bolt-on mounting design, the QRH22B150 ensures secure installation in panelboards and power distribution equipment.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Circuit Breaker |
| Part Number |
QRH22B150 |
| Subcategory |
Molded Case Circuit Breaker |
| Series |
QR Series |
| Frame Type |
QRH2 |
| Amperage Rating |
150 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 |
25 kAIC @ 240 V |
| Mounting Type |
Bolt-On |
| Connection Type |
Bolt-On |
| HACR Rated |
Yes |
| Reverse Feed Rated |
Yes |
| Certifications |
UL 489 Listed, CSA Certified, NOM Approved |
| Dimensions (W × H × D) |
4.331 in × 7.087 in × 3.937 in |
| Weight |
3 lb |
Information About QRH22B150
The QRH22B150 is part of the Siemens QR Series molded case circuit breakers, built on the QRH2 frame for compact and durable performance. It incorporates a non-interchangeable thermal magnetic trip unit that provides long-time and instantaneous protection for branch and feeder circuits. Designed for bolt-on installation, this breaker is UL listed for reverse feed applications and HACR rated for HVAC-related loads. Its compliance with UL 489, CSA, and NOM standards makes it suitable for regulated electrical environments.
Key Features:
- 150 Amp Current Rating: Supports medium to high-load single-phase distribution circuits
- 2-Pole Configuration: Provides coordinated protection across two conductors
- Thermal Magnetic Trip Unit: Delivers reliable long-time and instantaneous fault protection
- High Interrupt Capacity: Rated at 25kAIC at 240V for enhanced short-circuit protection
- Bolt-On Mounting: Ensures secure and stable installation
- HACR Rated: Suitable for heating, air conditioning, and refrigeration equipment
- Push-to-Trip Button: Allows manual tripping for testing and maintenance
The QRH22B150 delivers the reliability and precision required for commercial and industrial power distribution protection.
