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Square D QBM22110TN Molded Case Circuit Breaker
- 110A
- 2 Pole
- Unit Mount
Square D
QBM22110TN
Molded Case Circuit Breaker
Brand
Square D
SKU
QBM22110TN
Quantity
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Square D QBM22110TN - 110A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial distribution, the Square D QBM22110TN is a 2-pole, 110A molded case circuit breaker from the PowerPacT Q-Frame family. This unit-mount breaker is designed for installation in NQ panelboards, NQOD panelboards, and switchboards. It also serves as an exact drop-in replacement for legacy Q2M2110MT breakers.Specifications
| Brand | Square D |
|---|---|
| Part Number | QBM22110TN |
| Series | QBM |
| Amperage | 110A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 208Y/120VAC, 10kA @ 240VAC |
| Frame Type | QBM |
|---|---|
| Terminal Type | Stud/Tapped Pad |
| For Use With | NQ Panelboards, NQOD Panelboards, Switchboards |
| Wire Gauge | 4 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Terminal Nut Kit (Load Side) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Main Breaker |
Product FAQs
6 answersWhich panelboards accept the QBM22110TN circuit breaker?
This Q-Frame breaker is designed for unit-mount, bolt-on installation in Square D NQ panelboards, NQOD panelboards, and switchboards.
Can the QBM22110TN replace older Square D circuit breakers?
Yes, the QBM22110TN serves as an exact drop-in replacement for legacy Q2M2110MT circuit breakers.
What does the TN suffix indicate on the QBM22110TN?
The TN suffix indicates that the breaker includes a terminal nut kit, featuring factory-installed studs on the load side and standard lug terminals on the line side.
What wire sizes are accepted by the terminals on the QBM22110TN?
The line-side lugs accept aluminum or copper conductors ranging from 4 AWG to 300 kcmil.
How does the thermal-magnetic trip unit operate on the QBM22110TN?
The fixed thermal-magnetic trip unit provides long-time (thermal) protection for overloads and instantaneous (magnetic) protection for short circuits.
Is the QBM22110TN suitable for use in 208Y/120V systems?
Yes, while it carries a maximum voltage rating of 240VAC, it is fully rated for 208Y/120VAC systems and provides a 10kA interrupting capacity at both voltages.
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Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
Total 5 star reviews: 2 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
2 reviews
- MPMichael P.Verified BuyerReviewingSquare D QBM32200TN - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/14/26Owner…..Payne Electric
Got exactly what I ordered.
- TMTony M.Verified BuyerRated 5 out of 5 stars12/12/25Square D circuit breakers
As always, I order circuit breakers from super breakers and I receive my order the very next day. Great service, very dependable. !
Also there prices are great .
Tony