Boasting an extra-high 65kAIC rating, this 110-amp component handles severe fault currents in residential and commercial environments. The thermal-magnetic unit mounts into standard Siemens load centers and serves as an authorized substitute for discontinued Murray MP2110KM configurations. Designed with Insta-Wire technology to accelerate installation, it accommodates 2-1/0 AWG copper or 1/0-2/0 AWG aluminum conductors. This HACR-rated device provides reliable common trip functionality.
Extra High Interrupting Capacity, Common Trip, HACR Rated
Product FAQs
7 answers
Which load centers accept the Siemens Q2110HH circuit breaker?
It is designed for plug-on installation in Siemens EQ, PL, ES, PN, and SN series load centers, as well as compatible Siemens panelboards.
What does the HH suffix indicate on this Siemens QP family breaker?
The HH suffix designates an extra-high interrupting rating of 65kAIC at 240V. This HQP type breaker is built for commercial or residential environments with severe available fault currents, exceeding the 10kAIC or 22kAIC ratings of standard QP and QPH breakers.
How much panel space is required to install the Q2110HH?
This 2-pole miniature circuit breaker requires two standard 1-inch spaces in the busbar assembly.
Can the Q2110HH be used to replace discontinued Murray breakers?
Yes, Siemens breakers are UL listed as authorized replacements for legacy Murray components. The Q2110HH serves as a direct substitute for the discontinued Murray MP2110KM 65kAIC breaker.
Does this breaker include Insta-Wire connectors?
Yes, it features Siemens Insta-Wire technology. The terminal screws are shipped backed out and ready for wire insertion, which accelerates the installation process.
Is the Q2110HH suitable for HVAC equipment?
Yes, it is HACR rated, making it approved for use with heating, air conditioning, and refrigeration equipment that requires a 110A overcurrent protection device.
What are the conductor size limits for the Q2110HH lugs?
The terminals accommodate 2 AWG to 1/0 AWG copper wire, or 1/0 AWG to 2/0 AWG aluminum wire.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 48 reviews.
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Reviews Summary
Generated by AI from 91 most recent customer reviews
Last updated 8/1/25
Customers say these circuit breakers arrive quickly and match their specifications perfectly. Many reviews mention success finding hard-to-locate specialty breakers through this supplier. Common feedback includes praise for the accurate product descriptions, reliable shipping, and competitive pricing. While some note occasional stock limitations, users consistently report the breakers fit and function as intended.