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Feels well-built and suitable for everyday plant and maintenance use.
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Circuit Breaker
Square D | Q12125 | Circuit Breaker | 125A | 2-Pole | 240V | 10kA | Plug-In
| Part Number | Q12125 |
| Amperes | 125 |
| Poles | 2 |
| Voltage | 240 |
| Product Type | Circuit Breaker |
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Square D | Q12125 | Circuit Breaker | 125A | 2-Pole | 240V | 10kA | Plug-In
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
Product description
Shipping
Meet the Square D Q12125 circuit breaker—a dependable, plug-in protection solution for 240V circuits that demand reliability and precise spec compatibility. With a 125A rating and a 2-pole design, this breaker is built to guard your electrical system against overloads while fitting seamlessly into compatible Square D panels. Its 10,000-ampere interrupting capacity adds a robust margin against fault conditions, helping minimize downtime and extend the life of downstream equipment.
- Amperage: 125 A
- Poles: 2-Pole
- Voltage: 240 V
- Interrupting rating: 10 kA
- Type: Plug-In
- Part number: Q12125
- Ideal for: maintenance, retrofit, and replacement projects where exact specs are required
This plug-in breaker is designed to be swapped in for compatible panels, delivering a straightforward, tool-efficient installation that minimizes service interruptions. It’s particularly well-suited for scenarios where you’re upgrading or restoring panel capacity to handle 240V circuits with 125A protection, without changing the panel hardware or bus structure.
Why choose the Q12125? It aligns with exact Square D specifications, reducing guesswork during replacement jobs. The 2-pole configuration provides balanced protection across both hot legs, and the 10 kA interrupting rating offers a strong barrier against short-circuit events, helping protect wiring, devices, and downstream equipment.
How to ensure compatibility—before ordering, confirm fit and ratings for your specific panel. The part number is the best reference for compatibility, ensuring you’re selecting a breaker designed to drop into your existing Square D setup without modification.
Whether you’re stocking a service truck for field replacements, executing a retrofit to meet new load demands, or performing routine maintenance, the Square D Q12125 plug-in circuit breaker delivers precise specification alignment, reliable protection, and installation simplicity—so you can keep critical systems online with confidence.
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
Verified
Lead time was reasonable and the part matched expectations when it arrived.
Procurement · Ontario
Verified
Good value for industrial use. Customers mention easy installation.
Service tech · Field work
