26 Rockwell Automation Publication 193-UM015E-EN-P - October 2015
Chapter 1 Product Overview
Thermal-based Protection
The E300 relay provides the following thermal-based motor protection
functions:
• Thermistor – PTC (49)
• Stator Protection – RTD (49)
• Bearing Protection – RTD (38)
Applications
The E300 relay can be used with the following across the line starter applications:
• Non-reversing starter
• Reversing starter
• Wye (Star) / Delta starter
• Two -speed motors
• Low and medium voltage with two or three potential transformers
• With or without Phase current transformers
• With or without zero-sequence core balanced current transformer
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