Siemens QR23B175 175A 3P 240V Circuit Breaker, Bolt-On | AmpState

Siemens QR23B175 is a 175 A, 3-pole, 240 V bolt-on circuit breaker designed for use in panelboards, load centers, and electrical distribution systems. Selected to protect your distribution network while staying aligned with the original part number, QR23B175 ensures a precise fit and reliable performance in Siemens equipment.

• 3‑pole, 240 V operation provides dependable protection for three‑phase circuits in commercial and industrial settings.
• Bolt‑on mounting offers straightforward installation in compatible Siemens panels, streamlining replacements and upgrades.
• Exact part number alignment helps maintain your BOM integrity, reducing compatibility surprises during maintenance or stocking.
• Trusted Siemens hardware built for consistent performance in electrical distribution applications.
• AmpState availability ensures you can source QR23B175 quickly for replacements or spares.

This part is ideal for replacement projects and stocking spares when you need to keep the BOM aligned to the original part number. Use cases include updating panelboards in data centers, manufacturing facilities, and commercial buildings where dependable 3‑phase protection is essential.

Who should consider this breaker? electrical contractors, facilities managers, maintenance technicians, and procurement teams seeking a compatible, plug‑and‑play solution for Siemens panel systems.

Why choose the QR23B175 over generic alternatives? It guarantees compatibility with Siemens panelboards and load centers, reducing installation guesswork and ensuring seamless integration with your existing electrical distribution setup.

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

Ready to secure reliable 3‑phase protection? Order the Siemens QR23B175 bolt‑on circuit breaker from AmpState today.