Square D QBP22225TM - 225 A, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D QBP22225TM—225 A, 2-pole bolt-on molded case circuit breaker from AmpState. Engineered to protect your panelboards and load centers from overcurrent and short-circuit events, this breaker delivers dependable, long-lasting performance in demanding residential, commercial, and light industrial environments.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing movement and enhancing reliability in dynamic panel installations.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding to both sustained overloads and instantaneous faults, maintaining consistent performance across varied conditions.
• OEM compatibility is ensured with matching Square D load centers and panelboards, making upgrades or replacements straightforward without mismatched fitment.
• High-capacity protection at 225 A suits large branch circuits and feeder lines, enabling safer distribution in mixed-use buildings or retrofit projects where robust protection is required.

How it protects your electrical system

The QBP22225TM combines a thermal element for gradual overload detection with a magnetic element for fast, decisive short-circuit interruption. This dual-action protection helps prevent wiring damage, equipment failure, and hazards associated with excessive current, all while keeping nuisance trips to a minimum in normal operating ranges.

Ideal applications and use cases

• Residential upgrades where a reliable, high-capacity main or feeder breaker is needed in a panelboard or load center.
• Commercial installations requiring sturdy bolt-on protection for main feeders and large branch circuits.
• Light industrial panels that demand durable mounting and predictable trip performance in environments with higher vibration or equipment activity.
• Panel modernization or replacement projects where OEM compatibility simplifies integration and serviceability.

What to know when planning installation

• Choose the bolt-on mounting style for a secure connection to the bus bars inside compatible panelboards and load centers.
• Verify OEM compatibility with existing Square D equipment to ensure seamless fit and labeling alignment.
• Follow manufacturer guidelines for mounting torque and electrical connections to maximize reliability and minimize service interruptions.
• Use this 2-pole 225 A breaker where both hot legs require simultaneous protection to maintain proper two-pole coordination and system safety.

Technical snapshot

• Manufacturer: Square D
• Part Number: QBP22225TM
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 225 A
• Number of Poles: 2
• Mounting Style: Bolt-on
• Applications: Branch circuit overcurrent and short-circuit protection

Designed for reliability where it matters most, the Square D QBP22225TM delivers robust protection for the electrical backbone of homes, offices, and light industrial facilities. Its combination of secure mounting, precise thermal-magnetic protection, and OEM-compatible integration makes it a dependable choice for upgrades, repairs, or new builds that demand high-capacity, consistent performance.