QBA221251 - 125 Amp Circuit Breaker
- 125 Amp
- 10kA @ 240VAC
- 2 Pole
Purchase Options: New In Box
QBA221251 - 125 Amp Circuit Breaker Description
QBA221251 - 125 Amp Circuit Breaker
If you’re looking for a circuit breaker that balances performance, reliability, and ease of installation, the QBA221251 PowerPacT Q Circuit Breaker checks all the boxes. Built by Schneider Electric, this 125-amp, 2-pole breaker is designed to protect your electrical systems from overloads and short circuits—without adding complexity to your setup. It’s the kind of component you install once and trust to do its job day in and day out. Thanks to its thermal-magnetic trip technology, it responds quickly when it matters most, helping prevent damage to your equipment and reducing the risk of costly downtime. The I-Line connection on the line side makes installation fast and secure, while the mechanical lugs on the load side give you flexibility during wiring. And when it’s time to test the breaker, the built-in push-to-trip button lets you do it instantly—no guesswork involved. Whether you’re upgrading an existing system or working on a new project, this breaker delivers dependable protection with a straightforward, installer-friendly design.
Key Features and Benefits
- 125 Amp, 2-Pole Design – Ideal for 240VAC distribution systems requiring reliable dual-phase protection
- Thermal-Magnetic Trip Technology – Provides fast, accurate response to overloads and short circuits
- 10kA Interrupting Rating – Safely manages fault conditions at 120/208V and 240V AC
- I-Line Connection (Line Side) – Simplifies installation and ensures a solid connection
- Mechanical Lug Load Terminals – Offers flexible and secure wiring options
- Push-to-Trip Button – Makes testing quick and convenient
- HACR Rated – Suitable for HVAC and refrigeration equipment
- Compact, Long-Lasting Build – Designed for consistent, dependable performance
Technical Specifications
- Manufacturer: Schneider Electric
- Product Line: PowerPacT Q
- Catalog Number: QBA221251
- Rated Current: 125 Amps
- Poles: 2
- Voltage Rating: 240 VAC (50/60 Hz)
- Interrupting Rating: 10kA at 120/208V AC and 240V AC
- Trip Unit: Thermal-Magnetic
- Magnetic Trip: 2400 A
- Continuous Current Rating: 80%
- Mounting Type: I-Line (Line), Lug (Load)
- Phase Connection: AB
- Dimensions: 6.47” H x 3” W x 3.93” D
- Wire Range: AWG 4 to 300 kcmil
Material Compliance and Certifications
- UL Listed
- CSA Certified
- NOM Compliant
- IEC Certified
- Built to meet strict safety and performance standards across North America and international markets
Where It Works Best
- Commercial buildings and office complexes
- Industrial facilities and manufacturing environments
- HVAC and refrigeration systems (HACR applications)
- Panelboards utilizing I-Line bus systems
- Electrical distribution systems requiring dependable 125A protection
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Square D® is a registered trademark of Schneider Electric. Products sold are surplus, used, or refurbished and are NOT supplied by Schneider Electric or its affiliates.
Specifications
- Depth:4.31
- Height:7.88
- Width:3.0
- Poles:2
- Amperes:125
- A.I.C. Rating & Volts:10kA @ 240VAC
- Type:QBA
- Approx Dimensions:3.00"W x 7.88"L x 4.31"D
- Additional Notes:PowerPact Q-Frame, I-Line, Plug-On, 2-Pole, A-B Phase, Thermal Magnetic, Molded Case Circuit Breaker
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
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CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).