IEC Bimetallic Overload Relays


  • Phase-loss protection
  • Ambient temperature compensation
  • Trip class 10/10A
  • Auxiliary contacts (1 N.O. and 1 N.C.)
  • Test function for auxiliary contacts
  • Manual/automatic reset mode
  • Trip indicator
  • Optional remote reset solenoid and external reset accessories
  • Available only in IEC configurations

Additional Information

Watch this video to learn more about the differences and features of each type of eutectic, bimetallic, and electronic overload relay. 

Product Selection


  • CE Marked
  • cULus — File No. E33916; Guide NKCR
  • cULus — File No. E33916; Guide NKCR7
  • Suitable for use with IE3 Motors (IEC 60034-30)
Standards Compliance
  • CSA C22.2 No.14
  • IEC/EN 60947-1, -4-1, -5-1
  • UL508
Looking for Additional Information?

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


Resource Publication Number Language
Motor Protection Solutions Brochure 193-BR029
Controlling High Efficiency Motors Brochure IE3-BR001
Bimetallic Overload Relay Specifications Technical Data 193-TD010
Low Voltage Motor Protection Whitepaper 193-WP008
Literature LibraryLiterature Library
Literature Library

Browse Literature Library where you can search for additional technical and commercial publications in more languages.


Search Literature Library

KnowledgebaseKnowledgebase Support Center

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


Get Support