Commander QBH250 - 50 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Introducing the Commander QBH250: a 50 A, 240 V, 2-pole bolt-on molded case circuit breaker designed for dependable branch circuit protection in panelboards and loadcenters. Built to withstand vibration in demanding environments, it pairs a secure bolt-on mounting with a thermal-magnetic trip unit to deliver stable, repeatable protection for today’s circuits across residential, commercial, and light industrial settings.

Why the QBH250 stands out

• Secure bolt-on mounting: ensures a rigid, vibration-resistant bus connection that helps prevent loose connections and arcing in panel assemblies.
• Thermal-magnetic trip unit: provides fast, predictable response to overcurrent and short-circuit conditions, preserving equipment and wiring.
• 2-pole, 50A, 240V design: ideal for 240V branch circuits such as motor loads, water heaters, HVAC equipment, and electric ranges.
• OEM-panel compatibility: engineered to pair with matching OEM load centers and panelboards for a seamless upgrade or replacement.
• Versatile for multiple environments: trusted choice for residential, commercial, and light industrial applications where reliable protection is essential.

Key specifications

• Manufacturer: Commander
• Part Number: QBH250
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 50A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and practical applications

The QBH250 is a practical choice when you need reliable protection for a 240V circuit run. Examples include powering air conditioning condensers, electric water heaters, furnace or heat pump systems, and large-appliance feeders in homes or light commercial spaces. It’s also a solid upgrade option when replacing an aging or damaged 2-pole breaker in compatible panelboards—reducing downtime and improving electrical safety.

Installation and compatibility tips

Choose the QBH250 when your panelboard specifies bolt-on, 2-pole, 240V molded case breakers in the Commander family. Ensure the existing OEM load center accepts QBH-series breakers for a trouble-free fit. For best results, install by following standard electrical safety practices and torque requirements specified by the panel’s documentation.

With the Commander QBH250, you’re selecting a breaker that prioritizes mechanical resilience and precise protection. It’s a purpose-built solution that aligns with standard 240V branch circuits, offering dependable performance across a range of settings while maintaining compatibility with OEM panel systems.