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The ABB EF45-30 is an overload relay with a 9-30A range, designed to protect motors from overloads and phase failures in industrial applications.

Technical Specifications

  • Model: EF45-30
  • Series: EF Series
  • Product Type: Overload Relay
  • Current Range: 9-30A
  • Compatibility: ABB Contactors
  • Operating Temperature Range: -25°C to 70°C
  • Mounting: Direct or separate mount

Key Features

  • Adjustable current range for flexibility
  • Phase failure protection
  • High reliability for motor protection
  • Compact design for easy integration
  • Compatible with ABB contactors

Compatible Accessories

  • ABB Contactors (e.g., AF40, AF52)
  • Mounting kits
  • Reset buttons
  • Connection terminals

Industry Applications

  • Motor protection in manufacturing
  • Pump and compressor systems
  • Conveyor systems
  • Industrial automation

Installation & Maintenance Notes

  • Adjust current setting to motor rating
  • Connect to compatible contactor
  • Mount securely in control panel
  • Inspect trip mechanism regularly
  • Test reset function periodically


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