Square D QOB2150VH - 150 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The Square D QOB2150VH 150A, 240V, 2-pole bolt-on molded case circuit breaker is engineered to deliver dependable branch circuit protection in panelboards and load centers. Built to stay secure and protect, it blends rugged mounting with precise, consistent trip performance for residential, commercial, and light industrial environments.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping prevent loose connections that can lead to nuisance trips or arcing in demanding installations.
• Thermal-magnetic trip unit offers stable, repeatable protection by swiftly responding to overloads (thermal) and short-circuit events (magnetic), helping safeguard wiring and equipment.
• OEM compatibility is designed to work with matching Square D load centers and panelboards, ensuring a clean fit and dependable performance without compatibility worries.
• Versatile application suited for residential services, commercial panels, and light industrial setups, making it a practical choice for a wide range of protection needs.

The QOB2150VH is a 2-pole, 150-amp circuit breaker rated for 240V, purpose-built to shield branch circuits from overcurrent and short-circuit conditions. Its bolt-on design, paired with a thermal-magnetic trip mechanism, delivers robust, long-term reliability in everyday panel installations.

Because it isn’t just about meeting a spec—it’s about how consistently it protects your electrical system. The bolt-on construction minimizes movement and vibration, dialing in a dependable bus connection even in cabinets that experience regular door openings, temperature swings, or vibration. The thermal-magnetic trip unit provides predictable response across a spectrum of fault currents, so you’ll know exactly when protection will engage and prevent damages before they occur.

include main distribution in small commercial outlets, service panels in residential settings requiring solid overcurrent protection, and light industrial panels where reliable interruption of fault currents is critical. When you need a compatible, purpose-built 150A, 240V, 2-pole breaker that aligns with your OEM load center, the QOB2150VH delivers.

Practical installation tips (based on the product’s design): ensure the bolt-on mounting is securely fastened to maintain a solid, vibration-free connection, and confirm the panelboard’s specifications match the QOB2150VH’s amperage and voltage ratings. Use with compatible OEM load centers to preserve electrical performance and warranty coverage.