Siemens | HQR23B100H | Circuit Breaker | 100A | 3-Pole | 240V | 100kA | Bolt-On

Meet the Siemens HQR23B100H Circuit Breaker — a precise, bolt-on 3-pole protector designed for demanding 3-phase 240V systems. With a 100A rating and a robust 100kA short-circuit current rating, this unit is built to handle the rigors of modern electrical rooms while delivering dependable protection for your distribution circuits.

Key specifications at a glance

• Amperage: 100 A
• Poles: 3-Pole (three-phase protection)
• Voltage: 240 V
• Interrupting rating: 100 kA
• Mounting: Bolt-On for secure, straightforward installation

Why this breaker stands out

• Exact-fit reliability: Identified by part number HQR23B100H, it’s purpose-built to match Siemens panels and HQR-series enclosures. The precise part number is your best reference for compatibility.
• Secure bolt-on mounting: Designed for fast, dependable installation in panels that accept bolt-on breakers, reducing field adjustments and ensuring a solid connection.
• High fault tolerance: With a 100kA interrupting rating, it provides substantial protection against short-circuit events, helping to safeguard downstream equipment and wiring in commercial and industrial settings.
• Three-phase protection: The 3-pole design aligns with typical 3-phase distribution networks, making it suitable for motors, feeders, and other balanced loads in 240V systems.

Ideal use cases

• Maintenance and replacement of existing Siemens panels that require an HQR23B100H specifically.
• Retrofits where a 3-pole, 100A bolt-on breaker is the correct upgrade path for 240V, three-phase circuits.
• New installations in compatible Siemens enclosures where a reliable, high-capacity protection device is needed for demanding loads.

Practical guidance for seamless compatibility

Before you order, confirm fit and ratings against your panel label and the Siemens documentation for the HQR family. The part number HQR23B100H is the most reliable reference for matching this breaker to your equipment, ensuring you won’t run into mismatches in mounting style or electrical specifications.

Designed for professionals who demand precise matching, robust protection, and straightforward installation, the Siemens HQR23B100H Circuit Breaker helps you maintain safe, reliable power distribution in 3-phase 240V systems. If your project requires a bolt-on, 100A, 3-pole solution with a 100kA interrupting rating, this unit is purpose-built to meet those exact needs.