Siemens Q350 - 50 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Siemens Q350 50A, 240V, 3-Pole Plug-In Molded Case Circuit Breaker is engineered to deliver reliable branch circuit protection where it matters most—in panelboards and load centers. This plug-in design simplifies installation and future maintenance, so you spend less time in the electrical closet and more time keeping systems up and running.

Key advantages that set the Q350 apart:

• Fast plug-in connection for quick installation and easy replacement, minimizing panel downtime during service calls or upgrades.
• Thermal-magnetic trip unit provides stable, repeatable protection against overcurrent and short circuits, helping safeguard connected equipment under varying loads and temperatures.
• OEM-compatible design ensures seamless integration with matching Siemens load centers and panelboards, reducing mismatch risk and simplifying stocking for contractors and facilities teams.
• Versatile application suitable for residential, commercial, and light industrial environments—whether protecting a single circuit or coordinating multiple feeders in a panel.

Technical snapshot

• Manufacturer: Siemens
• Part Number: Q350
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 50 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Perfect for real-world scenarios

Electricians and facilities managers turn to the Siemens Q350 when they need a dependable 50A, 3-pole solution that pairs with Siemens panelboards for streamlined maintenance. Use it when wiring three-phase equipment or when a 3-pole protection scheme is required in residential, commercial, or light industrial panels. Its plug-in form factor reduces installation complexity, while the thermal-magnetic trip maintains consistent protection as loads evolve over time.

Who benefits most

• Technicians performing panel upgrades or breakers replacement in Siemens-compatible systems
• Building managers maintaining electrical closets with mixed-use panels
• Electrical contractors seeking reliable, OEM-aligned protection for commercial installations

Upgrade, replace, or maintain with confidence using the Siemens Q350 50A, 240V, 3-Pole Plug-In Circuit Breaker—the plug-in solution designed to keep protected circuits operating safely and efficiently across a range of applications.