Exactly what we needed for a shutdown replacement. No surprises.
Plant · Shutdown
Based in Canada
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Serving USA & Canada
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Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
| Part Number | WMS1D03 |
| Amperes | 3 |
| Poles | 1 |
| Voltage | 277 |
| 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.
Engineered by Eaton for reliable circuit protection in commercial and industrial spaces, the WMS1D03 is a 1-pole, 3-amp circuit breaker designed for panelboards, load centers, and electrical distribution systems. Its plug-on design supports fast, straightforward installation in 277V circuits, helping technicians minimize downtime during panel maintenance or upgrades.
This device is specifically intended for replacement projects and spare stocking to keep your bill of materials (BOM) aligned with the original part number. By matching the exact WMS1D03 specification, you ensure seamless compatibility with existing Eaton panels and distribution setups, reducing the risk of mismatched components and simplifying procurement.
Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.
Contact sales@ampstate.com
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We want you to be 100% satisfied with your purchase.
General feedback we often hear from customers purchasing industrial electrical parts.
Exactly what we needed for a shutdown replacement. No surprises.
Plant · Shutdown
Good communication and clear updates while the order was processed.
Project · Coordination
Looks and feels like a proper industrial-grade part. Works as expected.
Service · Field install
Fast industrial sourcing support
Email us at sales@ampstate.com for pricing, availability, alternates, and project support.
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