Siemens QJH23B225 225A 3P 240V Bolt-On Circuit Breaker is your dependable three‑pole protection solution for demanding panelboards, load centers, and electrical distribution systems. Designed for everyday electrical work, this bolt-on breaker delivers a straightforward, secure fit in compatible Siemens panels, helping maintenance teams, panel builders, and spare inventory stay ready for action. Key details at a glance
- Amperage: 225 A
- Poles: 3
- Voltage: 240V
- Mounting: Bolt-On
- Part Number: QJH23B225
- Manufacturer: Siemens
- Availability: In stock and ready to ship from AmpState Why this breaker stands out
- Direct part-number match matters: In busy maintenance workflows and panel-build projects, having an exact Siemens QJH23B225 on hand minimizes downtime and avoids compatibility surprises during installation.
- Reliable three‑phase protection: With three poles and a 240V operating range, it’s well suited for commercial and light industrial three‑phase distributions, providing consistent protection for feeders and circuits.
- Efficient, field-friendly installation: The bolt‑on design streamlines mounting in compatible panelboards and load centers, making replacements faster and safer for technicians.
- Purpose-built for distribution systems: Ideal for electrical distribution setups where robust overcurrent protection keeps panel protection tasks straightforward and predictable. Who benefits most
- Maintenance teams managing panel upgrades or replacements
- Panel builders seeking a precise Siemens part for new builds
- Facilities managers keeping a ready spare inventory for critical power distribution Practical considerations and use cases
- Use this 225 A, 3P, 240V bolt-on breaker to protect three‑phase feeders in commercial or light industrial panelboards, ensuring reliable shutdown in fault conditions.
- When performing inventory planning, stocking the QJH23B225 simplifies parts compatibility across Siemens–equipped installations and reduces the need for cross-referencing during repairs.
- If you’re unsure about fit or exact compatibility with a specific panel, AmpState offers support to confirm the correct part and avoid mismatches. Tips for getting the most from your Siemens breaker
- Verify your panel’s mounting type and pole configuration before ordering to ensure a secure, code-compliant installation.
- Keep a small inventory of commonly used Siemens bolt-on breakers like the QJH23B225 to accelerate maintenance responses and minimize downtime.
- When replacing an old breaker, match the amperage, number of poles, and voltage rating to maintain consistent protection and trip characteristics in your system. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit. Available now from AmpState.