Solid quality component. Exactly as described on the product page.
Maintenance team · Ontario
Based in Canada
•
Serving USA & Canada
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| Amperes | 225 |
| Poles | 3 |
| Voltage | 240 |
| Product Type | Circuit Breaker |
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Siemens QJ3B225A02 circuit breaker is a reliable bolt-on, 3-pole protection device designed for 240V systems with a 225A rating. Built for durability in commercial and industrial panels, this unit excels in maintenance, retrofit, and replacement projects where precise compatibility matters.
With a three-pole configuration, this Siemens circuit breaker protects all three phases of a 240V feed, ensuring coordinated tripping and robust overload protection for large feeders, panelboard circuits, and motor control centers. The bolt-on mounting provides a secure, vibration-resistant connection that’s easier to service in heavy-duty environments than plug-in alternatives.
Perfect for:
Before ordering, compare the panel’s frame, bus, and rating requirements to the QJ3B series. The QJ3B225A02 part number is the most reliable reference for compatibility — ensure your panel accepts a 3-pole, 225A, 240V bolt-on breaker in the same frame style.
Power must be isolated during installation. Follow Siemens installation guidelines and torque specifications for bolt-on breakers, and ensure the device is seated firmly in the panel to maintain proper contact and reliable operation.
Choosing a genuine Siemens breaker aligns with a long track record of electrical reliability, serviceability, and availability of replacement parts, translating to reduced downtime and a smoother maintenance experience.
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General feedback we often hear from customers purchasing industrial electrical parts.
Solid quality component. Exactly as described on the product page.
Maintenance team · Ontario
Packaging was secure and the item arrived clean and ready for installation.
Electrical contractor · GTA
We’ve used this type on multiple jobs and it’s been reliable so far.
Panel shop · Canada/US
Fast industrial sourcing support
Email us at sales@ampstate.com for pricing, availability, alternates, and project support.
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