Siemens Q250H - 50 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

The Siemens Q250H is a 50A, 240V, 2-pole plug-in molded case circuit breaker built to safeguard branch circuits in panelboards and load centers. With a fast plug-in connection and robust thermal-magnetic protection, it delivers reliable interruption of fault currents while simplifying installation and maintenance.

Key benefits

• Fast plug-in connection for quick installation and easy replacement, reducing panel downtime during upgrades or servicing.
• Thermal-magnetic trip unit provides stable, repeatable protection by detecting both overloads (thermal) and short-circuit conditions (magnetic) for precise circuit control.
• 2-pole operation ensures simultaneous disconnection of both hot legs in a 240V circuit, enhancing safety and electrical coordination.
• OEM-compatible design works with matching Siemens OEM load centers and panelboards, helping you maintain proper fit, voltage coordination, and labeling.
• Versatile application suited for residential, commercial, and light industrial panel installations needing dependable branch-circuit protection.
• Durable molded-case construction built to withstand regular panel de-energization and re-energization cycles in demanding environments.

What this means for you

Whether you’re upgrading an aging panel, adding a dedicated circuit for a new appliance, or performing routine replacement in a commercial load center, the Q250H delivers predictable protection with straightforward installation. The plug-in format minimizes wiring complexity and speeds up service calls, so you can restore service quickly and with confidence.

Specifications at a glance

• Manufacturer: Siemens
• Part Number: Q250H
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 50A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Compatibility & installation tips

Designed to pair with matching OEM Siemens panelboards and load centers, the Q250H ensures cohesive performance and easy labeling across your electrical system. When exchanging a breaker, verify that the replacement is a Q250H or an explicitly compatible Siemens part for your panel. For best results, perform a visual inspection of the panel interior, confirm there’s no damage to bus stabs, and ensure the panel is de-energized before installation.

Ideal for electricians, facilities managers, and property owners aiming for reliable, straightforward protection in residential to light-industrial settings. The Siemens Q250H 50A 240V 2-pole plug-in breaker brings precise protection, fast serviceability, and OEM-grade compatibility to your electrical distribution system.