Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
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| Part Number | MBKQR3225A |
| Amperes | 225 |
| Poles | 3 |
| Voltage | 240 |
| Product Type | circuit-breaker |
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Introducing the Siemens MBKQR3225A Circuit Breaker — a purpose-built solution for industrial electrical service, maintenance, and replacement projects. Engineered by Siemens, this 225 A, 3-pole device delivers reliable protection for demanding 240V systems, helping keep critical equipment running smoothly and safely.
Why choose the MBKQR3225A for your project? This Siemens circuit breaker belongs to a lineage built for durability in demanding environments. It’s designed to integrate with compatible Siemens panels and equipment, offering consistent performance and predictable protection for three-phase loads. The 225 A rating provides robust protection for motors, conveyors, pumps, and other heavy-load equipment, while the 3-pole design supports balanced protection across phases.
Practical use cases and scenarios:
Important notes for installation and compatibility:
In short, the Siemens MBKQR3225A is a purpose-driven, industrial-grade circuit breaker designed to deliver reliable protection for 240V, three-phase systems. It’s a practical choice for professionals who value compatibility, durability, and straightforward replacement in service, maintenance, and upgrade projects.
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General feedback we often hear from customers purchasing industrial electrical parts.
Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Quick confirmation on details and a smooth ordering process.
Purchasing · Fast turnaround
Came well packed. Labeling made receiving and staging easy.
Warehouse · Receiving