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Square D QBM22225TN Molded Case Circuit Breaker
- 225A
- 2 Pole
- Unit Mount
Square D
QBM22225TN
Molded Case Circuit Breaker
Brand
Square D
SKU
QBM22225TN
Quantity
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Square D QBM22225TN - 225A 2 Pole Molded Case Circuit Breaker
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Description
Designed for high-capacity distribution, the Square D QBM22225TN is a 225-amp, 2-pole molded case circuit breaker belonging to the PowerPacT Q-frame lineup. This unit-mount MCCB features fixed thermal-magnetic trip technology and comes equipped with a load-side terminal nut kit. It is engineered for seamless integration into NQ panelboards, NQOD panelboards, and commercial switchboards. Rated at 10kAIC at 240VAC, it also functions as a direct substitute for the legacy Q2M2225MT breaker.Specifications
| Brand | Square D |
|---|---|
| Part Number | QBM22225TN |
| Series | QBM |
| Amperage | 225A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 208Y/120VAC, 10kA @ 240VAC |
| Frame Type | Q |
|---|---|
| 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, Non-Interchangeable Trip, 80% Rated, Push-To-Trip |
Product FAQs
5 answersIs the QBM22225TN a direct replacement for the Q2M2225MT?
Yes, this PowerPacT Q-frame breaker functions as a direct substitute for the legacy Square D Q2M2225MT molded case circuit breaker.
What is included with the TN suffix on this Q-frame breaker?
The TN designation indicates that the breaker includes a load-side terminal nut kit, which is necessary for terminating conductors to the breaker's stud or tapped pad connections.
What type of enclosures or panels accept the QBM22225TN?
This 2-pole PowerPacT Q-frame breaker is designed for installation in Square D NQ panelboards, NQOD panelboards, and commercial switchboards.
How is the QBM22225TN installed into a panelboard?
The QBM22225TN is a unit-mount circuit breaker that requires a bolt-on connection to secure it within compatible NQ or NQOD panelboards, rather than plugging directly onto a busbar.
Can the trip settings on the QBM22225TN be adjusted in the field?
No, this breaker features fixed thermal and fixed magnetic trip elements for standard Long-Time and Instantaneous protection, meaning the trip curve cannot be adjusted.
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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