Siemens QR23B100 100A 3P 240V Circuit Breaker, Bolt-On | AmpState

Meet the Siemens QR23B100 100A 3P 240V Bolt-On Circuit Breaker—the dependable shield your panelboards, load centers, and electrical distribution systems rely on daily. Built for practical, real-world maintenance and installation, this unit delivers trusted protection for three-phase circuits while staying ready for fast, direct replacements when part matches matter.

• Three-pole design (3P) with a 100 A rating provides robust protection across all phases of typical commercial and industrial power distributions.
• 240 V operation aligns with standard distribution configurations, ensuring consistent performance in everyday panel setups.
• Bolt-on mounting supports quick, secure installation in compatible Siemens panelboards, helping installers and maintenance teams reduce setup time without compromising reliability.
• Direct part-number match QR23B100 simplifies sourcing and replacement, minimizing downtime when exact-fit components are required.
• Versatile用途 ideal for panel builders, maintenance crews, and spare-inventory workflows where predictable, repeatable parts keep projects moving smoothly.

Designed for use in panelboards, load centers, and electrical distribution networks, the QR23B100 delivers decisive protection exactly where you need it. When upgrading or expanding your system, choosing a direct-fit Siemens component helps preserve electrical compatibility, reduces search time, and eliminates guesswork during maintenance or reconfiguration.

Why choose this model? It delivers reliable circuit protection for three-phase circuits at a practical 100 A rating, with a bolt-on format that simplifies installation and a direct part-number match that ensures seamless replacement in existing Siemens environments. This item is available from AmpState, with the assurance of authentic Siemens parts and support for compatibility checks—so you can confidently confirm fit for your specific panel family.