Square D QDP22150TM - 150 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D QDP22150TM 150A, 240V, 2-Pole Bolt-On Molded Case Circuit Breaker—the dependable, code-ready protection your panels rely on. Engineered for real-world panel installations, this device combines a secure mounting method with precise protection to keep electrical systems safe, compliant, and running smoothly in demanding environments.

Secure bolt-on mounting for a vibration-resistant connection

The bolt-on design anchors directly to compatible bus structures, delivering a rigid, vibration-resistant connection that minimizes movement and loosening over time. This means steadier protection in panels subjected to start-up transients, equipment vibrations, or dynamic loads.

Thermal-magnetic trip unit for stable, repeatable protection

Equipped with a thermal-magnetic trip mechanism, the QDP22150TM provides dependable overload and short-circuit protection. Expect consistent, predictable tripping behavior at the correct current thresholds, reducing nuisance trips and helping protect downstream equipment.

OEM-compatible and panel-ready

Designed to pair with matching Square D OEM load centers and panelboards, this breaker ensures a seamless fit and uniform protection across your electrical system. Its 2-pole configuration is ideal for circuits that require simultaneous disconnection of both lines, enhancing safety in multi-wire applications.

Versatile for residential, commercial, and light industrial use

With a 150A rating at 240V, the QDP22150TM is well-suited for branch circuit protection in a variety of settings—from home subpanels to commercial service panels and light industrial feeders. It protects against overcurrent and short circuits while maintaining reliable performance over the long term.

Key specifications at a glance

• Manufacturer: Square D
• Part Number: QDP22150TM
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 150A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases and benefits

• Subpanels and main distribution centers in residential or light commercial buildings benefit from a solid bolt-on connection that resists vibration and ensures ongoing safety.
• New installations or panel upgrades where OEM compatibility and standardized protection are essential.
• Maintenance-friendly design that supports straightforward replacement in retrofit projects, minimizing downtime.

In short, the Square D QDP22150TM combines a rugged bolt-on bond, precise thermal-magnetic protection, and OEM-ready compatibility to deliver reliable, long-lasting branch circuit protection. For installers and facilities managers seeking dependable performance in panelboards and load centers, this 150A, 240V, 2-pole breaker offers a clear advantage—solid electrical safety you can trust, day after day.