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Allen-Bradley Hardware Product

140G Molded Case Circuit Breakers

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Main Image

Our Bulletin 140G Molded Case Circuit Breakers have nine different frame sizes with a range of 10...3000 A to accommodate your required current ratings and breaking capacities. With a wide range of operators and accessories, these circuit breakers provide the protection of circuits against overload, short circuit, and ground fault.

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Popular Resources/Quicklinks
Circuit Breaker Protection for Automation Systems Brochure Controlling High Efficiency Motors Brochure Bulletin 140G 3P Flange Cable Operator Product Profile
140G Circuit Breakers
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Overview

  • Offers 3- and 4-pole versions to support worldwide application
  • Includes high interrupting ratings from 18...100 kA  in a compact device
  • Offers a wide range of operating mechanisms to fit a variety of panel configurations
  • Provides greater customization in trip units
  • Offers a wide range of accessories for global availability
  • Approved for global application: UL, CSA, CCC, and IEC performance interrupting/breaking capacity
  • Offers current-limiting option (H, J, and K frames) that provides half-cycle interrupt to limit let-through energy

Additional Information

  • Molded Case Circuit Breaker Family Overview — From accessories to operators, watch an overview of the Molded Case Circuit Breaker family.
  • Installing an Undervoltage Release Accessory — Video tutorial demonstrates step by step instructions to install the undervoltage release accessory on a 140G H- and J-Frame Molded Case Circuit Breaker.
  • Installing an Auxiliary Contact — Video tutorial demonstrates step by step instructions to install an auxiliary contact on a Bulletin 140G H- and J-Frame Molded Case Circuit Breaker.
  • Installing a Rotary Operating Mechanism — Video tutorial demonstrates step by step instructions to install a rotary operating mechanism on a Bulletin 140G H- and J-Frame Molded Case Circuit Breaker.
  • Installing a Flex Cable Flange Mount Operator — Video tutorial demonstrates step by step instructions to install a flex cable flange mount operator on a Bulletin 140G Molded Case Circuit Breaker.
  • Installing a Shunt Trip — Video tutorial demonstrates step by step instructions to install a shunt trip on a Bulletin 140G G-, H-, I-, and J-Frame Molded Case Circuit Breaker.
  • Installing a Trip Unit — Video tutorial demonstrates step by step instructions to install a trip unit on a Bulletin 140G H- and J-Frame Molded Case Circuit Breaker.
  • Installing a UV Release — Video tutorial demonstrates step by step instructions to install a UV Release on a Bulletin 140G G-, H-, I-, and J-Frame Molded Case Circuit Breaker.
  • How to Set Up 140G LCD Electronic Motor Protection — This video walks users through the process of setting up LCD electronic protection modules, available with N, NS and R frame 140G molded case circuit breakers.
  • Our circuit and load protection products are part of the Allen-Bradley® Industrial Control Components where you get the right components, at the right price, right when you need them.

Product Selection


Specifications

DownloadDownload
Molded Case Circuit Breakers Selection Guide
Certifications
CCC MarkChina Compulsory Certificate
CE MarkingCE Marking
CSA MarkCanadian Standards Association Mark
IE3IE3
UL Listed CertificationUL Listed Certification
  • CCC
  • CE Marked
  • CSA Certified
  • UL Listed
  • Suitable for use with IE3 Motors (IEC 60034-30)
Standards Compliance
  • CSA22.2, No. 5
  • IEC 60947-2
  • UL489
Looking for Additional Information?

To find additional product information including CAD drawing files, 3D models and more use our Product Catalog.

Product Catalog

Documentation

Resource Publication Number Language
Circuit Breaker Protection for Automation Systems Brochure 140G-BR001
Controlling High Efficiency Motors Brochure IE3-BR001
Bulletin 140G 3P Flange Cable Operator Product Profile 140G-PP002
Bulletin 140G Molded Case Circuit Breakers Selection Guide 140G-SG001
Molded Case Circuit Breaker Selectivity Guide 140G-TD050
Bulletin 140G Molded Case Circuit Breakers Procurement Specifications 140G-SR001
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Resources

  • Circuit Breaker Simulator Tool — This tool allows you to make a configuration, display signals, and conduct an operating simulation to learn more about 140G Molded Case Circuit Breakers and 140MG Motor Circuit Protectors.
  • Global Short Circuit Current Ratings (SCCR) Selection Tool — This tool provides coordinated high fault branch circuit solutions for motor starters, soft-starters and component drives.
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