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Circuit Breaker

Square D | QGA221251 | Circuit Breaker | 125A | 2-Pole | 240V

Part Number QGA221251
Amperes 125
Poles 2
Voltage 240
Product Type Circuit Breaker
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Manufacturer :Square D
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Replacement available
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Picture available on request
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CSA / UL Approved
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.

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Secure transaction
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FREE & fast shipping on orders over $49
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30 day returns
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

Square D | QGA221251 | Circuit Breaker | 125A | 2-Pole | 240V

Regular price $310.00
Sale price $310.00 Regular price
Unit price
Product description
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Introducing the Square D QGA221251 Circuit Breaker—a 125A, 2-pole, 240V device designed for precise overcurrent protection in compatible Square D panels. Built for maintenance, retrofit, and replacement projects, this breaker delivers dependable performance when exact specifications are required.

Direct-fit compatibility for Square D panels

The QGA221251 is part of the Square D QGA family, intended for panel configurations that specify a 125A, 2-pole, 240V breaker. To ensure proper fit, verify your panel label shows QGA-type breakers and confirm the amperage and voltage match your installation needs. The part number QGA221251 is the best reference for compatibility; always confirm fit and ratings before ordering.

  • Maintenance: replace a failed or aging 125A two-pole 240V breaker in existing Square D panels that accept QGA devices.
  • Retrofit: upgrade or replace older panels that call for a QGA 125A, 2-pole, 240V unit.
  • Replacement: standard spare for field service where the QGA style is specified by the panel manufacturer.
  • Safety and reliability: ensures consistent trip characteristics for critical 240V circuits using a 125A breaker.

What this means for your installation

With a 125A rating and 240V operation, this two-pole breaker protects circuits like large feeders or branch circuits in compatible Square D installations. The 2-pole design is essential for 240V circuits that require simultaneous disconnection of both poles.

Practical tips for best results

  • Before ordering, review your panel’s labeling to confirm it accepts QGA breakers and that 125A/240V is appropriate for the circuit you’re protecting.
  • Use the exact part number QGA221251 as the compatibility reference to minimize mismatches during replacements or retrofits.
  • Keep spare QGA221251 units on hand to reduce downtime during field service and ensure quick, reliable protection for critical circuits.

When you need a precise, dependable 125A 2-pole 240V breaker built for Square D systems, the QGA221251 is a clear fit for the right panel configurations. Add it to your cart and ensure you’re ready for safe, reliable circuit protection where exact specs matter.

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