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circuit-breaker

Eaton WMS1D03 3A 1P 277V Circuit Breaker, Plug-On | AmpState

Part Number WMS1D03
Amperes 3
Poles 1
Voltage 277
Product Type circuit-breaker
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Manufacturer :Eaton
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $10.00
Sale price $10.00 Regular price
Unit price
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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.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Eaton WMS1D03 3A 1P 277V Circuit Breaker, Plug-On | AmpState

Eaton WMS1D03 3A 1P 277V Circuit Breaker, Plug-On | AmpState

Regular price $10.00
Sale price $10.00 Regular price
Unit price
Product description
Shipping

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.

  • Amperage: 3 A
  • Poles: 1 Pole
  • Voltage: 277V
  • Type: Circuit Breaker
  • Mounting: Plug-On
  • Manufacturer: Eaton
  • Part Number: WMS1D03

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.

  • Ideal for replacing worn or failed breakers in panelboards and load centers that serve 277V circuits.
  • Supports spare inventory strategies by preserving BOM integrity and minimizing downtime during service calls.
  • Perfect for projects where a 1-pole, 3A protective device is the correct fit for lightweight branch circuits and lighting controls.

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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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Exactly what we needed for a shutdown replacement. No surprises.

Plant · Shutdown

Verified

Good communication and clear updates while the order was processed.

Project · Coordination

Verified

Looks and feels like a proper industrial-grade part. Works as expected.

Service · Field install

Fast industrial sourcing support

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Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

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