Square D QOB250VH - 50 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D QOB250VH — a robust 2-pole, 50A, 240V bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Available from AmpState, this breaker is built for reliable performance in everyday electrical installations, from home upgrades to light commercial projects.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing the chance of loose connections in demanding environments.
• Thermal-magnetic trip unit delivers stable, repeatable protection with fast response to overcurrents, helping prevent nuisance trips and protecting connected equipment.
• OEM-compatible design engineered to integrate with matching Square D OEM load centers and panelboards for a clean, code-compliant fit.
• Versatile deployment ideal for residential, commercial, and light industrial applications where reliable branch-circuit protection is critical.

Technical specifications

• Manufacturer: Square D
• Part number: QOB250VH
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 50 A
• Voltage rating: 240 V
• Number of poles: 2
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Who it’s for: electrical contractors, facility managers, and homeowners undertaking panel upgrades or new installations where dependable, long-lasting protection is essential. The QOB250VH is well-suited for protecting feeders to lighting circuits, outlets, and small equipment in homes, offices, retail spaces, and light industrial environments.

Why this breaker stands out: unlike generic substitutes, the QOB250VH combines a secure bolt-on foundation with a precise thermal-magnetic trip that adapts to temperature changes and load conditions. Its compatibility with matching OEM panels means faster, safer installations and smoother code compliance, backed by Square D’s proven reliability.

Practical tips for best results: pair this breaker with a compatible Square D panelboard to ensure optimal contact and performance, verify conductor sizing and torque requirements during installation, and schedule periodic checks to confirm the bolt-on connection remains tight in environments subject to vibration or movement.

In short, the Square D QOB250VH is a purpose-built solution for durable, predictable protection of critical branch circuits in a wide range of settings. When you need a trusted, OEM-compatible 50A, 240V breaker that won’t let you down, this bolt-on model from AmpState delivers the value and peace of mind you demands.