Siemens | HQR22B100 | Circuit Breaker | 100A | 2-Pole

Siemens HQR22B100 Circuit Breaker — a robust 2-Pole unit delivering 100A of reliable overcurrent protection for compatible panels. Built for real-world maintenance, retrofit, and replacement projects, this breaker is ready to go where exact specifications are required.

The key to seamless protection is compatibility. The HQR22B100 is designed to align with Siemens panel configurations that specify this part number, ensuring a precise, lock-in fit. Before you order, verify your panel model and the ratings to match this 2-Pole, 100 Amp device.

Specifications at a glance

• Amperage: 100A
• Poles: 2-Pole

Why choose this Siemens breaker?

• Exact compatibility — use the HQR22B100 when your panel listing requires a Siemens two-pole 100A device; the part number is your best compatibility reference.
• Efficient replacement — designed for straightforward installation to minimize downtime during maintenance or retrofit.
• Reliable protection — Siemens engineering ensures consistent performance and circuit protection for critical loads.

Ideal use cases

• Maintenance: swap-out a failed unit in existing Siemens panels to restore circuit protection quickly.
• Retrofit: upgrade aging protection in compatible boards to meet current safety standards.
• Replacement: substitute a matching 100A, 2-Pole breaker when specified by panel labeling or documentation.

Installation tips and safety considerations

• Power down the main disconnect and follow your panel’s safety guidelines before attempting replacement.
• Double-check panel model, bus type, and the HQR22B100 rating to confirm a proper fit.
• If unsure, consult a licensed electrician to verify compatibility and perform the installation to local electrical codes.

With Siemens HQR22B100, you’re choosing a purpose-built solution that matches the exact specs of your panel, supporting reliable protection, easy maintenance, and long-term peace of mind for your electrical system.