Square D QJA221252 Circuit Breaker, 125A, 2-Pole, 240V

Introducing the Square D QJA221252 circuit breaker, a purpose-built solution for industrial electrical service, maintenance, and replacement projects. This 125 A, 2-pole, 240 V breaker belongs to the esteemed QJA family, crafted to safeguard critical equipment and keep your power distribution running smoothly.

Reliable overcurrent protection for 240 V circuits

Designed to interrupt fault currents on two hot legs, this 125 A two-pole breaker provides robust protection for feeders, motors, and distribution panels in industrial settings. Its compatibility with the QJA series means streamlined replacement in compatible Square D panels, reducing downtime during maintenance and upgrades.

Key specifications

• Manufacturer: Square D
• Series: QJA
• Part Number: QJA221252
• Product Type: Circuit Breaker
• Amperage: 125 A
• Poles: 2
• Voltage: 240 V

Ideal use cases

• Industrial electrical service upgrades and new installations requiring dependable two-pole protection
• Maintenance or replacement in existing Square D panels that support the QJA family
• Motor control and distribution panel protection where dual-hot-leg protection is essential

Why choose this particular breaker?

Choosing the QJA221252 means relying on a recognized Square D design that aligns with standard industrial panel configurations. The 2-pole, 240 V configuration provides coordinated protection for both hot legs, helping prevent equipment damage from overloads and short circuits. The QJA series is known for its straightforward compatibility with compatible Square D panels, simplifying procurement and installation in busy facilities.

Compatibility and support

Notes: Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we'll help.