E3 and E3 Plus Electronic Overload Relays

Bulletin 193 IEC and 592 NEMA E3 and E3 Plus Electronic Overload Relays are optimal world-class products with a broad range of features in one complete, compact package. These multi-function, solid-state, microprocessor-based relays are designed to protect single- or three-phase squirrel cage induction motors. Our relays help you manage and monitor motor performance to prevent and minimize production downtime.

Features

• 0.4…90 A current range
• DeviceNet Ready (ODVA Conformance tested)
• LED indicators and Test/Reset button
• Adjustable trip class 5…30
• Ambient temperature compensation
• True RMS current sensing (20…250 Hz)
• Protection for single- and three-phase motors
• Integrated I/O (2 in/1 out)
• Programmable trip and warning settings
• Diagnostic functions (history of last 5 trips)

EC2 & -EC3 also include:

• Integrated I/O (4 in/2 out)
• Ground fault protection
• PTC thermistor monitoring
• DeviceLogix component technology (series B & C)

EC5 also includes:

• Integrated I/O (6 in/2 out)
• Ground fault protection
• DeviceLogix component technology (series C)
• Power monitoring
• Voltage protection