Professional-grade feel. No issues reported during commissioning.
Controls · Commissioning
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Serving USA & Canada
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| Part Number | HEB3B040 |
| Amperes | 40 |
| 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.
Siemens HEB3B040 is a purpose-built circuit breaker designed for robust protection in panelboards, load centers, and electrical distribution systems. This 3-pole device delivers 40 A of protection in a 600 V environment, making it a reliable choice for demanding commercial and industrial applications. Its precise part number consistency supports seamless retrofits and maintenance planning, helping you keep your electrical infrastructure aligned with existing specifications.
Ideal for retrofit work where the exact part number must be maintained, the HEB3B040 minimizes compatibility risk and downtime. It’s also a smart choice for maintenance planning, ensuring that spare parts align with your existing Siemens-based installations and onboard protection strategy. Use cases include upgrading or expanding three-phase distribution in commercial spaces, replacing aging breakers in compatible panels, or stocking a reliable spare for planned maintenance windows.
If you’re unsure about fit or compatibility with your current panel or distribution setup, AmpState provides guidance to confirm the right part. Need help matching a part number or confirming compatibility? Message us and we’ll help you verify fit before you commit.
Contact sales@ampstate.com
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General feedback we often hear from customers purchasing industrial electrical parts.
Professional-grade feel. No issues reported during commissioning.
Controls · Commissioning
Arrived in good condition and helped keep our project on schedule.
Project team · Contractor
Exactly what most contractors expect from an industrial supplier.
Electrical · Commercial
Fast industrial sourcing support
Email us at sales@ampstate.com for pricing, availability, alternates, and project support.
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