140MG Motor Protection Circuit Breakers

Our Bulletin 140MG Motor Protection Circuit Breakers can provide a disconnecting means for motor branch circuit, branch-circuit and short-circuit magnetic protection, overload thermal protection, and manual switching. We offer devices rated from 25...150 A to meet your particular needs. Our factory-installed internal accessories make installation and wiring easy. In North America, electrical codes require that an individual Motor Branch Circuit be protected by a UL/CSA Listed Fuse, Circuit Breaker, or Self-protected Combination Motor Controller.

Bulletin 140MG Motor Protection Circuit Breakers
  • Overview
  • Product Selection
  • Specifications
  • Documentation
  • Resources

Features

  • Includes visible trip indication
  • Offers high current limiting option
  • Offers high switching capacity
  • Available in H- and J-Frame sizes

Motor Protection Circuit Breakers

To view commonly ordered and quickly available products, use the Product Configuration Assistant for our complete product offerings.

Specifications

TitleNumberDownload
Molded Case Circuit Breakers Selection Guide140G-SG001

Certifications

  • Suitable for use with IE3 Motors (IEC 60034-30)

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Standards Compliance

  • CSA 22.2, No. 5
  • EN 60947-1
  • EN 60947-2
  • UL 489

Product Certifications

See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Documentation

TitleNumberDownload
Circuit Breaker Protection for Automation Systems Brochure140G-BR001
Bulletin 140G Molded Case Circuit Breakers Selection Guide140G-SG001
Low Voltage Motor Protection Whitepaper193-WP008
More Motor Protection Circuit Breaker publications in Literature LibraryAll Languages

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Product Certifications

See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Configuration & Selection Tools

  • CrossWorks — Convert competitive catalog numbers to similar Allen-Bradley® products.
  • ProposalWorks — Build complete quotes and proposals.

Other 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.
  • Knowledgebase — Visit our online resource for technical information, support chat and forums, software updates, and product safety advisories/notices.