Engineered for commercial applications, the Siemens QRH22B200 delivers reliable thermal-magnetic protection as part of the SENTRON family. This 2-pole MCCB features fixed long-time and instantaneous (LI) trip functions to safeguard electrical systems. The bolt-on unit installs seamlessly into Siemens P2 panelboards, switchboards, and motor control centers. It also serves as an exact replacement for the legacy QJ22B200. Rated for 25kAIC at 240VAC, it includes a push-to-trip testing mechanism.
HACR Rated, Reverse Feed, Push-to-Trip, Non-Interchangeable Trip, High Interrupting Capacity
Product FAQs
6 answers
Can I install this breaker in a standard residential load center?
No, this is a bolt-on molded case circuit breaker designed specifically for Siemens P2 panelboards, switchboards, and motor control centers. It will not fit in standard plug-on residential load centers.
Can the QRH22B200 replace older QJ frame breakers?
Yes, this QR frame breaker serves as an exact drop-in replacement for the legacy QJ22B200 circuit breaker.
What is the difference between the QR22B200 and the QRH22B200?
The H in the catalog number indicates a higher interrupting capacity. The QRH22B200 is rated for 25kAIC at 240VAC, while the standard QR22B200 is rated for 10kAIC.
What wire sizes are accepted by the terminals on this breaker?
The factory lugs are rated for both aluminum and copper conductors, accepting wire sizes from 3/0 AWG up to 300 kcmil.
Is the QRH22B200 suitable for reverse feed applications?
Yes, this molded case circuit breaker is UL listed for reverse feeding, allowing it to be used as a main breaker or in back-fed configurations.
Is this breaker HACR rated for HVAC equipment?
Yes, it carries an HACR rating, making it suitable for use with commercial heating, air conditioning, and refrigeration equipment.
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Review summary
Customers rate this product 5.0 out of 5 based on 1 review.