Built for everyday residential and commercial loads, this 25-amp thermal-magnetic breaker delivers reliable 10kAIC fault protection. It fits standard Siemens load centers and panelboards while serving as an exact cross-reference for the legacy Murray MP225. The inclusion of Insta-Wire technology speeds up the wiring process, and its HACR rating ensures safe operation with HVAC motor loads.
What load centers are compatible with the Siemens Q225?
The Q225 is a Type QP breaker designed for use in Siemens PL, ES, EQ, and PN series load centers that accept plug-on breakers. It is also UL-listed for Murray Rock Solid load centers manufactured after January 2002.
Can the Q225 replace older Murray circuit breakers?
Yes, Siemens Type QP breakers are UL-listed to replace Murray MP-T breakers in compatible Murray panels built after January 2002.
What is the difference between the Siemens Q225 and Q225H?
The Q225 has a standard interrupting rating of 10kAIC, while the Q225H is the Type QPH high-interrupting version rated for 22kAIC. Both are 25-amp, 2-pole plug-on breakers.
Is the Q225 breaker HACR rated?
Yes, this breaker is HACR rated, making it suitable for protecting heating, air conditioning, and refrigeration equipment circuits.
Is a hold-down kit required when back-feeding the Q225?
Yes, when installed as a back-fed main breaker, a hold-down retainer kit is required by the NEC. Use the ECMBR2 kit for Siemens Ultimate load centers or the MBR1 kit for EQ series load centers.
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