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ABB EF Electronic Overload Relays
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ABB EF Electronic Overload Relays

Manufacturer: ABB
Model: EF series electronic overload relays
Rated Current : 19-750A
Setting current: 0.1-800A
Suitable contactors: AF09-96

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Product Description

The ABB EF Series Electronic Overload Relay is a robust motor protection device designed to replace traditional thermal overload relays. It delivers rapid and reliable protection against motor overloads, phase failures, and phase imbalances. Key features include adjustable trip classes, self-powered operation (no external supply required), and compatibility with direct mounting on contactors.

Standard Features

Its compact design ensures easy integration into control systems while maintaining high precision across industrial environments.

  • Reliable protection for motors
  • Easy to create starters
  • Optimized match to ABB contactors
  • Reduced logistic costs and improved designed by three trip classes in one device
  • Single mounting kits and wire reset for remote control available for specific applications
  • Adjustable current setting ranges
  • Overload protection with phase loss sensitivity
  • Temperature compensation up to +70°C and self supply

Technical Specifications

ModelCurrent range (Amps)
EF190.1-18.9
EF459-45
EF6520-70
EF9636-100
EF14654-150
EF20563-210
EF370115-380
EF460150-500
EF750250-800

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