Siemens QJ22B100 100A 2P Circuit Breaker, Bolt-On | AmpState

Siemens QJ22B100 100A 2-Pole Bolt-On Circuit Breaker

The Siemens QJ22B100 is a robust bolt-on circuit breaker designed to deliver reliable protection in panelboards, load centers, and electrical distribution systems. Built for retrofit work and maintenance planning, this 2-pole, 100 A unit keeps your part numbers consistent across sites, simplifying stocking, replacements, and service scheduling.

Key Benefits

• 100 A, 2-pole bolt-on design: Secure, durable protection for 240 V circuits with a simple mounting method that suits retrofit projects and service upgrades.
• Part of the Siemens QJ family: Seamless compatibility with existing Siemens panel systems, ensuring predictable performance and easier cross-reference during upgrades.
• Part-number consistency for maintenance: QJ22B100 supports unified inventory and streamlined procurement when managing multiple sites or facilities.
• Easy sourcing through AmpState: Available from AmpState with support to confirm fit and compatibility for your specific panel configuration.
• Retrofit and maintenance ready: Ideal for when you need to maintain the exact part number while upgrading protection or replacing aging hardware.

Ideal Use Cases

Perfect for commercial and industrial environments where panelboards or load centers require dependable two-pole 100 A protection. Use in retrofit projects to upgrade or replace aging breakers without altering the panel’s form factor, or in routine maintenance programs that rely on a consistent, field-verified part number for quick ordering and accurate replacements.

Why this model stands out

• Designed for secure bolt-on installation, reducing mounting complexity during field work.
• Clear, consistent identification through the QJ22B100 part number—simplifying documentation, ordering, and service history.
• Direct availability through AmpState with assistance to verify compatibility for your exact panel and configuration.

Practical Tips for installation and care

Before replacement, ensure the power is fully de-energized and the system is properly de-energized and locked out. Verify panel compatibility with a bolt-on breaker in your specific Siemens panel model, and follow the manufacturer’s torque and mounting guidelines to secure the breaker properly. Keep this unit in your spare parts kit for rapid responses to service calls, minimizing downtime in critical electrical systems.