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NEMA Eutectic Alloy Overload Relays

Bulletin 592 Eutectic Alloy Overload Relays are thermal type devices. When used with the proper short-circuit protection, these relays protect the motor, motor controller, and power wiring against overheating due to excessive overcurrents. The trip-free mechanism provides overload protection even when the reset button is pressed.

Popular Resources/Quicklinks
Bulletin 592 Eutectic Alloy Overload Relay Specifications Technical Data Bulletin 592 Eutectic Alloy Overload Relay Heater Element Specifications Technical Data Low Voltage Motor Protection Whitepaper

Overview

  • Offers three trip classes for each starter size: 10, 20, 30
  • Includes trip-free construction
  • Lets you select trip current ratings by choosing the proper heater element
  • Includes manual reset button
  • Available only in NEMA configurations
  • Provides optical indicator for visible trip indication

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


Specifications

Certifications
  • CSA Certified — File No. LR1234
  • UL Listed — File No. E14840; Guide No. NKCR
Standards Compliance
  • CSA C22.2 No.14
  • UL508
Looking for Additional Information?

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


Documentation

Resource Publication Number Language
Bulletin 592 Eutectic Alloy Overload Relay Specifications Technical Data 592-TD009
Bulletin 592 Eutectic Alloy Overload Relay Heater Element Specifications Technical Data 592-TD010
Low Voltage Motor Protection Whitepaper 193-WP008
Bulletin 592 Eutectic Overload Relay Installation Instructions 592-IN004
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