Description
The Siemens QRH22B100 is a molded case circuit breaker designed for dependable overcurrent protection in commercial and industrial electrical systems. This 2-pole breaker is rated at 100 amps and 240 volts AC, utilizing a thermal magnetic trip unit for consistent protection against overloads and short circuits. Featuring bolt-on mounting, the QRH22B100 is well suited for secure installation in load centers and panelboards.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Circuit Breaker |
| Part Number |
QRH22B100 |
| Subcategory |
Molded Case Circuit Breaker |
| Series |
QR Series |
| Frame Type |
QR |
| Breaker Type |
QRH2 |
| Amperage Rating |
100 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 |
Load Side Lug |
| 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 QRH22B100
The QRH22B100 is part of the Siemens QR Series molded case circuit breakers, built on the compact QR frame for efficient space utilization. It incorporates a non-interchangeable thermal magnetic trip unit that provides long-time and instantaneous protection for branch and feeder circuits. Designed with bolt-on mounting and load-side lug terminals, this breaker integrates reliably into power panels and switchboards. Its compliance with UL 489, CSA, and NOM standards confirms suitability for regulated electrical environments.
Key Features:
- 100 Amp Current Rating: Supports medium-load branch and feeder circuits
- 2-Pole Configuration: Provides coordinated protection across two conductors
- Thermal Magnetic Trip Unit: Delivers reliable long-time and instantaneous fault response
- High Interrupt Capacity: Rated at 25kAIC at 240V for enhanced short-circuit protection
- Bolt-On Mounting: Ensures secure and stable installation
- Push-to-Trip Button: Allows manual operation and testing
- Accessory Compatibility: Supports field-installable internal and external accessories
The QRH22B100 delivers the reliability and precision required for commercial and industrial power distribution protection.
