Siemens Q2110HH Miniature Circuit Breaker
- 110A
- 2 Pole
- Plug-On
Siemens
Q2110HH
Miniature Circuit Breaker
Brand
Siemens
SKU
Q2110HH
Quantity
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Siemens Q2110HH - 110A 2 Pole Miniature Circuit Breaker
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Description
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.Specifications
| Brand | Siemens |
|---|---|
| Series | Q |
| Amperage | 110A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Load Centers, Panelboards |
| Wire Gauge | 2-1/0 AWG (Cu), 1/0-2/0 AWG (Al) |
| Max Wire | 2/0 AWG |
| Min Wire | 2 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Padlock Attachment |
|---|---|
| Standards | CSA C22.2 No. 5, HACR Rated, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Extra High Interrupting Capacity, Common Trip, HACR Rated |
Product FAQs
7 answersWhich 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.
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.
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Rating
48 reviews
- DTDawn T.Verified BuyerReviewingSiemens Q2150B - 150A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/8/26Timely
This is exactly what I was looking for! Worked perfectly, arrived promptly, no hassles.
- CGCrocefissa G.Verified BuyerReviewingSiemens Q115 - 15A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/18/26Quick delivery and great price.
The circuit breakers are at a great cost.
- JBJason B.Verified BuyerReviewingSiemens Q2150B - 150A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/18/26Great experience
The product was exactly what I needed and it arrived on time.
- DQDon Q.Verified BuyerReviewingSiemens Q3100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/14/26Siemens breaker
Great customer experience, great prices and fast shipping... Definitely will be buying her again.
- CSChristopher S.Verified BuyerRated 5 out of 5 stars8/12/26Siemens 60
Perfect new condition