Square D QOB250H 50A 2-Pole 240 V Circuit Breaker

Meet the Square D QOB250H 50A 2-Pole 240 V Circuit Breaker—a genuine, ready-to-install protection device built to safeguard your 240-volt branch circuits. With a 50-amp rating and a two-pole configuration, this breaker is designed to intercept faults quickly and shield wiring and connected equipment from overloads and short circuits in compatible Square D panels.

Why this Square D breaker stands out

• Exact matching part: Part Number QOB250H ensures you’re selecting the correct, authentic Square D component for your panel.
• Precise 240 V protection: Specifically suited for 240-volt circuits, delivering reliable overcurrent protection where two hot legs are involved.
• Two-pole design: Provides coordinated protection across both legs of a 240V circuit, helping maintain balance and safety in the electrical system.
• Panel compatibility: Engineered for use in Square D load centers and panels that accept QOB-series breakers, offering seamless fit and dependable operation.

Key specifications

• Current rating: 50 A
• Poles: 2
• Voltage rating: 240 V
• Part Number: QOB250H
• Brand: Square D

Ideal use cases

• Protecting large 240V appliances and equipment in residential setups, such as central air conditioning units, electric water heaters, and electric ranges.
• Safeguarding 240V circuits in light commercial environments where reliable, code-compliant overcurrent protection is required.
• Maintaining electrical safety in panels that specify the QOB-series breakers, ensuring consistent trip characteristics and compatibility.

Practical tips and considerations

When selecting the QOB250H, confirm that your panel accepts QOB-series breakers and follow all local electrical codes during installation. Keep a spare on hand for quick replacements to minimize downtime after a trip. If you’re upgrading or reconfiguring a 240V circuit, this 50A, 2-pole breaker provides a straightforward, reliable path to restoring safe operation.