Siemens HQR23B100 100A 3P 240V Circuit Breaker, Bolt-On | AmpState

Built for everyday electrical work, the Siemens HQR23B100 is a 100 A, 3-pole, 240 V bolt-on circuit breaker crafted to deliver dependable protection in panelboards, load centers, and electrical distribution networks. Designed with retrofit and maintenance in mind, this part keeps your system consistent while upgrading reliability.

Why this matters: when panel updates or service calls require a familiar part number, the HQR23B100 stays in your stock list, reducing delays and confusion. Its bolt-on design simplifies installation in compatible Siemens panels, helping you get back to business faster with minimal downtime.

Key features and practical benefits

• Bolt-On installation: straightforward mounting in compatible Siemens enclosures, enabling quicker swaps during retrofit projects and routine maintenance.
• 100 A, 3-Pole, 240 V: ideal for three-phase distribution in 240 V systems, providing reliable protection across the circuit.
• Versatile protection in key enclosures: suitable for panelboards, load centers, and general electrical distribution setups where Siemens reliability is a priority.
• Maintenance-friendly part number strategy: supports maintenance planning by keeping the same part number across replacements, simplifying inventory and ordering.
• Source and compatibility support: available from AmpState with expert guidance to help you confirm fit for your specific panel

Specifications at a glance

• Part Number: HQR23B100
• Amperage: 100 A
• Poles: 3
• Voltage: 240 V
• Mounting: Bolt-On
• Product Type: Circuit Breaker

Typical use scenarios include retrofitting an existing Siemens panelboard or load center where the part number must remain consistent, upgrading to robust three-phase protection in 240 V systems, and stocking a reliable spare for maintenance planning. For installers and facility managers, this breaker offers a dependable, standard solution that aligns with Siemens' engineering standards and your ongoing service needs.

If you need help matching a part number or confirming compatibility, AmpState can assist in confirming fit to ensure you’re selecting the right component for your Siemens panel. Choose the Siemens HQR23B100 for a durable, maintenance-friendly, bolt-on circuit protection solution.