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140U Molded Case Circuit Breakers

Bulletin 140U Molded Case Circuit Breakers

Bulletin 140U-D Molded Case Circuit Breakers are UL489 listed for global applications. These circuit breakers are current limiting and provide fixed short circuit and overcurrent protection. They offer high interrupting ratings for 2- and 3-pole devices.


  • Available in 0.5...30 A current range
  • Provides 100% rating up to 15 A
  • Suitable for back feeding at 240V and 480Y/277V 
  • Smaller footprint to reduce panel space


  • 140U Molded Case Circuit Breakers, D-frame


  • UL 489 Listed, CSA Certified

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

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Learn more about our global line of Bulletin 140G Molded Case Circuit Breakers.

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Frequently Viewed Publications

Bulletin 140U-D Molded Case Circuit Breaker Product Profile140U-PP010
Circuit Breaker Protection for Automation Systems Brochure140G-BR001
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See our Product Certification site for Declarations of Conformity, certificates and other certification details.

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We offer a variety of accessories for your 140U D-Frame Molded Case Circuit Breakers, including:

  • Compact busbars
  • Eco connection modules
  • Extension shaft support
  • Feeder terminal for compact busbars
  • Flexible wire modules
  • Load terminal covers

View all 140U D-Frame Molded Case Circuit Breaker accessories