Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
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| Part Number | NEB3B050B |
| Amperes | 50 |
| Poles | 3 |
| Voltage | 600 |
| 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.
The Siemens NEB3B050B is a bolt-on, 3-pole circuit breaker built to deliver dependable overcurrent protection in panelboards, load centers, and electrical distribution systems. With a 50 amp rating and a voltage tolerance up to 600V, this unit is designed for heavy‑duty applications where reliable interruption is essential. It’s the ideal choice for both replacement projects and stocking spares to ensure BOM alignment with the original part number.
When precision and compatibility matter, the NEB3B050B delivers an exact fit for Siemens systems that require bolt-on protection. It’s a practical, long‑term solution for service crews and facilities teams aiming to keep electrical distributions running smoothly. If you’re unsure about fit, AmpState is ready to help verify compatibility and confirm this part matches your panel configuration. Just reach out with your part number and panel details, and we’ll assist in confirming a proper, reliable installation.
Contact sales@ampstate.com
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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
Fast industrial sourcing support
Email us at sales@ampstate.com for pricing, availability, alternates, and project support.
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