Eaton QBHW1050 - 50 A, 240 V, 1-Pole Bolt-On Circuit Breaker | AmpState

The Eaton QBHW1050 is a dependable 50A, 240V, 1-pole bolt-on molded case circuit breaker designed to shield your electrical system from overcurrent and short-circuit events. Built for panelboards and load centers, it delivers a rugged, vibration‑resistant bus connection and precise protection you can rely on in everyday environments—from home garages to light commercial spaces.

Key advantages that set QBHW1050 apart

• Secure bolt-on mounting: Provides a rigid, vibration-resistant connection to the bus bar, helping maintain consistent performance in panels that experience movement or busy equipment operation.
• Thermal-magnetic trip unit: Combines thermal overload protection with magnetic short-circuit protection for fast, stable trip response across temperature variations and load conditions.
• OEM-compatible design: Engineered to pair with matching Eaton OEM load centers and panelboards for straightforward replacement and reliable system upgrades.
• Versatile, single-pole protection: Ideal for protecting individual branch circuits in residential, commercial, and light industrial applications without unnecessary complexity.

Technical specifications at a glance

• Manufacturer: Eaton
• Part number: QBHW1050
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 50A
• Voltage rating: 240V
• Number of poles: 1
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Ideal use cases

Use the QBHW1050 to safeguard individual circuits in residential panelboards, small commercial enclosures, and light industrial installations. It's an excellent replacement for aging breakers or as part of a panel upgrade where a robust, OEM-compatible bolt-on solution is preferred. Typical scenarios include HVAC circuits, lighting feeders in office spaces, and machinery or equipment lines that demand reliable, repeatable protection.

Why choose this breaker over alternatives

• Designed for enduring performance in environments where vibration or movement is common, reducing the likelihood of connection loosening and intermittent trips.
• The dual-action thermal-magnetic trip provides precise protection without sacrificing speed during fault conditions.
• OEM compatibility means fewer compatibility concerns during service or upgrades, facilitating a smoother maintenance cycle.

Practical tips for deployment

• Verify that your panelboard is compatible with the QBHW1050 and labeled for this amperage, voltage, and mounting style before installation.
• Follow manufacturer torque specifications for bolt-on mounting to ensure a solid, long-lasting connection.
• Use this breaker in appropriately rated circuits and panels to maintain optimal protection and system reliability.