Siemens QR23B225L 225A 3P 240V Circuit Breaker | AmpState

Siemens QR23B225L is a dependable circuit protection solution designed to keep power distribution safe and reliable. With a 225 A rating, a 3-pole configuration, and 240 V operation, this QR-series breaker is engineered for panelboards, load centers, and broader electrical distribution applications. It’s a smart pick for teams that require a direct part-number match and a precise fit in critical infrastructure where downtime isn’t an option.

Core specs at a glance

• Manufacturer: Siemens
• Part Number: QR23B225L
• Product Type: Circuit Breaker
• Amperage: 225 A
• Poles: 3
• Voltage: 240 V
• Series: QR family (direct-fit replacement for compatible panels)

Why this matters for your system

• Exact part-number fit: For maintenance contracts, panel builders, and spare-inventory workflows, QR23B225L provides a guaranteed match that minimizes compatibility doubts and installation delays.
• Reliable distribution protection: The 3-pole design supports three-phase circuits common in commercial and industrial panels, helping to ensure synchronized interruption during faults.
• Efficient space and installability: Designed to drop into standard Siemens QR-compatible panels without custom adapters, reducing on-site complexity.
• Trusted Siemens quality: Built to meet established industry standards for performance and longevity in demanding environments.

Ideal use cases

• Spare inventory for service fleets that maintain Siemens panelboards and load centers
• Replacement against QR23B-compatible field panels during routine maintenance
• Distribution feeders in mid- to large-scale electrical installations where a robust 225 A, 3-pole device is required

Compatibility and support

AmpState makes it easy to verify fit for your specific panel or distribution setup. If you’re unsure about part-number compatibility, we’ll help you confirm the exact match. This ensures you don’t stock mismatched breakers or lose precious maintenance windows.

Installation and practical tips

• Before replacement, ensure the system is de-energized and the correct installation procedures for Siemens QR breakers are followed.
• Use the 3-pole QR23B225L in three-phase circuits that require a 225 A protective device at 240 V.
• Keep a record of the part number QR23B225L for quick future replacements and warranty traceability.

Ready to secure your distribution panels with a precise, reliable Siemens QR23B225L? Reach out to AmpState for compatibility confirmation and seamless ordering. Our team is ready to assist with part-number matching and selecting the right breaker for your application.