E300/E200 Electronic Overload Relays

Our Bulletin 193/592 E300™ (networked) and E200™ (non-networked) Electronic Overload Relays are the newest technologies for overload protection. The modular design, communication options, diagnostic information, simplified wiring, and integration into Logix technology make them the ideal overload for motor control applications in an automation system.

Popular Resources/Quicklinks
Motor Protection Solutions Family Brochure Controlling High Efficiency Motors Brochure E3/E3 Plus to E300/E200 Electronic Overload Relay Migration Profile


  • Includes intelligent motor control (EtherNet/IP, DeviceNet, and non-networked options available)
  • Offers modular solution with wide current range & adjustable trip class
  • Provides enhanced diagnostic information for single & three phase applications
  • Includes integrated I/O (additional expansion I/O available)
  • Offers simplified wiring and easy integration into Logix
  • Offers the ability to customize the E300 Overload Relay by selecting one each of the following modules: 
    • 193-ECM E300/E200 Communication Module
    • 193-EIO E300/E200 Control Module
    • 193-ESM or 592-ESM E300/E200 Sensing Module

Product Comparison

Protection Features
E1 Plus
Phase Loss  
Ground Fault  
Current Imbalance  
Over/Under Voltage    
Voltage Imbalance    
Over/Under Power    
Diagnostic Features        
% Full Load Amperes (FLA)  
% Thermal Capacity Utilization (TCU)  
Integration Features        
DeviceLogix™ software    
Logix Controller    
Connected Components Workbench™ software      
EtherNet/IP™ network   Optional Expansion   Embedded (dual-port)
DeviceNet™ network   Optional Expansion   Embedded (single-port)
Local Programming Method   EtherNet/IP or DeviceNet* USB Type B* EtherNet/IP or DeviceNet*

Additional Information

  • How do you control an electric motor when the communication network fails? Read the latest blog to find out.
  • We offer a full line of eutectic, bimetallic, and electronic overload relays. Learn more about the differences and features of each type.
  • Explore the E300 Electronic Overload Relay Virtual Brochure diagrams and videos to learn how to simplify your architecture, reduce downtime, and protect your assets.
  • Electric motors, if not properly protected, can cause damage if overloaded. Find out more in this Design World Article.
Overloaded with Overloads Episode 1

What is an Overload and why do you need one? In ROK Talk on Industrial Components Episode 1, Paul and Bill interview Portfolio Manager, Jerry Watkins, to hear his expertise on Overloads including how they work, why they are important, and how to choose the right Overload for your application.

Replacing Products as Easy as 1-2-3 Episode 3

New dimensions, wiring, and panel layout are all dreaded parts of legacy product replacement. In ROK Talk on Industrial Components Episode 3, Amanda Eason describes how you can replace an E3 Plus with the E300 in 3 easy steps.

Product Selection


  • CE Marked
  • RCM (formerly C-tick)
  • cULus Listed — File No. E14840; Guide Nos. NKCR, NKCR7
  • Suitable for use with IE3 Motors (IEC 60034-30)
  • SIL 2 Capable - IEC 61508:2010 Parts 1-7 (with Series B Control Module Only)
  • ABS
  • CCC
  • KCC
  • Environmental Protection Use Period 25 (China RoHS)
Standards Compliance
  • CSA C22.2, No. 60947-4-1
  • EN 60947-4-1
  • UL 60947-4-1
  • GB/T 14048.4-2010
  • IEC 61508
  • IEC 61511
  • SJ/T 11364, GB/T 26572, SJ/Z 11388
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 Family Brochure 193-BR029
Controlling High Efficiency Motors Brochure IE3-BR001
E3/E3 Plus to E300/E200 Electronic Overload Relay Migration Profile MIGRAT-PP042
E300/E200 Electronic Overload Relay Specifications 193-TD006
Low Voltage Motor Protection Whitepaper 193-WP008
Deploying Current Transformers in Applications Greater Than 200 A 193-WP009
Bulletin 193/592 E300 Electronic Overload Relay User Manual 193-UM015
E200 Electronic Overload Relay/Parameter Configuration Module User Manual 193-UM017
E300 Electronic Overload Relay Installation Instructions 193-IN080
How Do You Control an Electric Motor When the Communication Network Fails? CMPNTS-AT001
DeviceLogix Technology for Industrial Applications 193-AT001
Design World Article: What is your cost for unplanned electric motor downtime? 193-AR003
E300 Electronic Overload Relay Procurement Specifications 193-SR001
UL Standards Listing for Industrial Control Products CMPNTS-SR002
E300 on DeviceNet – Entering Emulation Mode via the Operator Diagnostic Station Demo Video
E300 on DeviceNet - E3/E3+ Emulation Mode Demo Video
E300 New Parameter Backup/Restore Demonstration (Series B Only) Demo Video
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