Built for commercial environments, this 200-amp SENTRON breaker delivers reliable overcurrent protection. The three-pole unit features a fixed thermal-magnetic trip system. Designed for bolt-on mounting, it fits into Siemens P1, P2, and P3 panelboards. This QR-frame model replaces discontinued QJ23B200 breakers. Offering a 10kA interrupting capacity at 240VAC, it handles demanding loads safely. It includes reverse feed capability and a push-to-trip mechanism.
Yes, the QR series is the direct successor and replacement for legacy QJ frame breakers [1.3.1]. Note that retrofitting this unit into older distribution switchboards or power panels may require a specific mounting adapter kit.
Is this breaker approved for reverse-feed applications?
Yes, this Siemens circuit breaker features a reverse-feed rating, allowing it to be back-fed when required by your electrical system design.
Does this breaker carry an HACR rating?
Yes, it is HACR rated, making it approved for protecting heating, air conditioning, and refrigeration equipment circuits.
How does ambient temperature affect the operation of this breaker?
This unit is calibrated for standard operation at a 40 degrees Celsius ambient temperature. If you are operating the breaker in an environment exceeding this temperature, it must be derated.
Does this model accept internal accessories?
Yes, this frame supports various UL Listed and CSA Certified field-installable internal accessories, including auxiliary switches and shunt trips.
Does this breaker include a push-to-trip feature?
Yes, this breaker is equipped with a push-to-trip button, allowing you to easily test the mechanical tripping mechanism for maintenance and safety verifications.
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Review summary
Customers rate this product 5.0 out of 5 based on 1 review.