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EC3050 - 50Amp Circuit Breaker

  • 50 Amp
  • 10k @ 240VAC
  • 3 Pole
Circuit BreakersSKU: EC3050 [R]

Purchase Options: Refurbished

EC3050 - 50Amp Circuit Breaker Description

EC3050 - 50Amp Circuit Breaker

When you're working on an existing electrical system, getting the right replacement breaker isn’t just important—it’s what keeps everything aligned with how the equipment was originally designed. The EC3050 50 Amp 3-Pole Circuit Breaker is built for compatible Type EC electrical distribution systems, offering the form, fit, and functional replacement needed to support continued operation without changing the original setup.

Rated for operation in ambient temperatures up to 40°C (104°F) and supplied with load terminals, the EC3050 is designed for straightforward installation in compatible systems. Whether you're replacing an existing breaker during maintenance or keeping a system running as originally engineered, this unit provides the electrical ratings and physical configuration required for Type EC applications. Built to last, it remains a dependable option for maintaining established electrical infrastructure.

Key Features and Benefits

  • 50 Amp current rating for commercial and industrial circuit protection
  • 3-pole configuration for three-phase electrical systems
  • Thermal-magnetic trip mechanism protects against overloads and short circuits
  • Non-interchangeable trip unit maintains original protection settings
  • 10kA interrupting capacity at 240VAC
  • Rated for operation in ambient temperatures up to 40°C (104°F)
  • Includes load terminals for installation in compatible equipment
  • Designed for form, fit, and functional replacement applications
  • Supports continued operation of existing Type EC electrical systems
  • Built to last in properly maintained installations

Technical Specifications

  • Part Number: EC3050
  • Type: EC
  • Amperage Rating: 50 Amps
  • Poles: 3
  • Voltage Rating: 240VAC
  • Interrupting Capacity: 10kA @ 240VAC
  • Trip Unit: Non-Interchangeable
  • Circuit Breaker Type: Thermal-Magnetic
  • Temperature Rating: 40°C (104°F)
  • Load Terminals: Included
  • Width: 4.13 in.
  • Height: 6.0 in.
  • Depth: 3.38 in.
  • Dimensions: 4.13"W x 6.0"H x 3.38"D
  • Approximate Shipping Weight: 5.50 lbs.

Material Compliance and Certifications

  • The EC3050 is intended for use in compatible electrical distribution equipment and should be installed in accordance with applicable electrical codes, manufacturer requirements, and site-specific standards.
  • Before installation, compatibility with the existing panelboard, switchboard, or distribution system should always be confirmed. Installation and servicing should be performed by qualified electrical personnel following proper safety procedures.

Where It Works Best

The EC3050 is commonly used in commercial, industrial, institutional, and facility maintenance environments where Type EC electrical equipment remains in service. It is well suited for panelboards, switchboards, and distribution systems operating on 240VAC power, particularly where a 50 Amp, 3-pole circuit breaker with a 10kA interrupting rating is required. This breaker is often used in applications where maintaining original equipment specifications is necessary to support continued system compatibility and operation.


Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.

Eaton®, Cutler-Hammer®, Westinghouse®, Challenger®, Bussmann®, Crouse-Hinds®, and Cooper® are registered trademarks of Eaton Corporation plc. Products sold are surplus, used, or refurbished and are NOT supplied by Eaton Corporation plc or its affiliates.

Specifications

  • Width:4.13
  • Height:6.0
  • Depth:3.38
  • Poles:3
  • Amperes:50
  • A.I.C. Rating & Volts:10k @ 240VAC
  • Type:EC
  • Approx Dimensions:4.13"W x 6.00"H x 3.38"D
  • Additional Notes:Thermal-magnetic circuit breaker with non-interchangeable trip unit. 40°C rated. This item includes load terminals.

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE ground shipping on breaker orders over $100 and all other items with orders over $500.

Shipping charges are Prepaid and Allowed on UPS Ground orders for all other products on orders over $500.00, again only when shipping within the lower 48 continental United States, provided the product(s) can safely ship UPS Ground.

If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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