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CUTLER HAMMER

FC3040 - 40Amp Circuit Breaker

FC3040 - 40Amp Circuit Breaker

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FC3040 - 40Amp Circuit Breaker

Finding the right replacement for your circuit breaker starts with matching the original equipment specifications. The FC3040 is a 40 Amp, 3-pole Type FC molded case circuit breaker designed for applications where maintaining the original form, fit, and function is essential. Equipped with a factory-installed, non-interchangeable thermal-magnetic trip unit, it provides dependable protection against both overloads and short circuits while fitting compatible electrical distribution equipment.

Key Features and Benefits

  • 40 Amp thermal-magnetic circuit breaker
  • Three-pole design for three-phase electrical systems
  • Type FC molded case circuit breaker
  • Factory-installed non-interchangeable thermal-magnetic trip unit
  • Helps protect electrical circuits from overloads and short circuits
  • Rated for operation in 40°C ambient conditions
  • Interrupting ratings of:
    • 14kA at 600VAC
    • 14kA at 480VAC
    • 22kA at 240VAC
  • Includes load terminals for installation in compatible equipment
  • Designed for form, fit, and functional replacement applications

Technical Specifications

  • Part Number: FC3040
  • Product Type: Thermal-Magnetic Circuit Breaker
  • Breaker Type: FC
  • Amperage Rating: 40 Amps
  • Poles: 3
  • Voltage Rating: Up to 600VAC
  • Interrupting Rating:
    • 14kA at 600VAC
    • 14kA at 480VAC
    • 22kA at 240VAC
  • Trip Unit: Thermal-Magnetic
  • Trip Unit Type: Non-Interchangeable
  • Temperature Rating: 40°C
  • Load Terminals: Included
  • Dimensions: 4.13"W × 6.00"H × 3.38"D
  • Width: 4.13 inches
  • Height: 6.00 inches
  • Depth: 3.38 inches
  • Approximate Ship Weight: 5.75 lbs.

Material Compliance and Certifications

  • The FC3040 is intended for use in compatible electrical distribution equipment that matches its electrical ratings and physical dimensions. Before installation, verify that the part number, breaker type, amperage, voltage rating, interrupting capacity, terminal configuration, and mounting dimensions match the existing breaker to help ensure proper fit and operation.
  • Installation should be performed by qualified electrical personnel in accordance with the National Electrical Code (NEC), applicable local electrical codes, and the equipment manufacturer's installation requirements.

Where It Works Best

  • Commercial electrical distribution systems
  • Industrial facilities
  • Manufacturing equipment
  • Building service equipment
  • Maintenance and repair projects requiring a Type FC replacement breaker
  • Three-phase electrical distribution applications

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®, Edison®, Edison Fuse®, GTE Sylvania®, 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.

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