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140M Motor Protection Circuit Breakers

Our Bulletin 140M 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. These devices are rated from 0.1...45 A.

Popular Resources/Quicklinks
Circuit Breaker Protection for Automation Systems Brochure Controlling High Efficiency Motors Brochure Bulletin 140M Motor Protection Circuit Break for Multiple Motor Installation with Drives Product Profile

Overview

  • Includes visible trip indication
  • Offers high current limiting option
  • Offers high switching capacity
  • Available in C-, D-, and F-Frame sizes
  • Offers optional NEMA Type 3/4/12 – IP66 metal enclosure
  • 140M-D8V provides overload protection in multiple motor applications

Control Multiple Motors with One VFD — Many applications can use multiple motors of the same capacity that operate in parallel at the same speed. Read how we can provide branch circuit protection to variable frequency drives to motor protection products for these applications.

140M Motor Protection Circuit Breakers


Product Selection


Certifications
  • ATEX
  • CCC
  • CE Marked
  • CSA Certified
  • cULus Listed — File No. E54612; Guide No. NLRV(7)
  • cULus Listed — File No. E197878; Guide No. DIVQ(7)
  • cULus Listed — File No. E205542; Guide No. NKJH(7)
  • Suitable for use with IE3 Motors (IEC 60034-30)

The 140M C-, D-, and F-Frame Motor Protection Circuit Breakers may have two cULus Listings—as manual, self-protected combination motor controllers and as manual motor controllers (with optional approvals for motor disconnect and group installation).

When UL/CSA Listed as manual, self-protected combination motor controllers, the 140M Motor Protection Circuit Breakers provide all the necessary NEC/CEC requirements for the protection and control of individual motor branch circuits without additional protective devices.

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Documentation

Resource Publication Number Language
Circuit Breaker Protection for Automation Systems Brochure 140G-BR001
Controlling High Efficiency Motors Brochure IE3-BR001
Bulletin 140M Motor Protection Circuit Break for Multiple Motor Installation with Drives Product Profile 140M-PP004
Motor Protection Circuit Breaker and Motor Circuit Protector Specifications Technical Data 140M-TD002
Motor Protection Circuit Breakers with Variable Frequency Drives Application Techniques 140M-AT002
Overload Protection in Multi-motor Applications with VFD Application Technique 140M-AT003
Motor Protection Circuit Breakers with Variable Frequency Drives White Paper 140M-WP002
Low Voltage Motor Protection Whitepaper 193-WP008
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