Soft Starters and Motor Controller- ES

  • For three-phase induction motors of up to 22 kW / 400 V.
  • Built in heat dissipater and electro-mechanical bypass relay.
  • Substitutes the conventional contactors with a greater operating life. One in direct start-up and three in star-delta start-up.
  • Lower maintenance cost.
  • No pressure surge when using pumps and compressors. Reduces hammering.
  • Less current and voltage drop during start up. Allows for reduced power consumption.
  • Mechanical dimensioning can be optimised.
  • Simplified automation.
  • Assembly, setting, installation, commissioning and maintenance are made easy by the compact design.
  • Reduces start and stop torque, eliminating mechanical problems.
  • Additional cooling is not necessary thanks to the bypass built-in relay.
  • Substitutes the conventional contactors: one for direct start-up and three for star-delta start-up

ES-3 / ES-12

ES-25 / ES-45

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Protection Functions

  • Soft start
  • Soft stop

ES -25 and ES -45 models include:

  • Phase imbalance or phase loss
  • Overtemperature
  • Phase sequence
  • Overvoltage
  • Undervoltage
  • Overfrequency
  • Underfrequency
  • Overcurrent
  • Long ramp