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    Altivar 71 Plus-LH

    Enclosed low harmonic drive systems from 75 to 2,000 kW

    Altivar 71 Plus-LH low harmonic drive systems for complex machines

    Altivar 71 Plus-LH
    • Features

      The Altivar 71 Plus-LH Low Harmonic offer has been designed with harmonic filtering to suit applications requiring a very low harmonic level (THDi ≤ 5%) and it provides also 4-quadrant operation.
      • Simple planning of drive and system
      • Individually configurable options
      • Compact solution
      • High reliability
      • Compliance with the harmonics level according to the standards
      • Compatible with Altivar 71 product family
      • Protection degree : IP23, IP54
      • Standards: CE, C-Tick, ATEX and Gost


      Easy reduction of harmonics

      • Attractive design
      • Homogeneous to present Altivar 61/71 Plus offer
      • "Low Harmonic Drive" ready to connect
      • Simple installation and start-up
      • Sinusoidal mains current with THDi less than 5%
      • Power factor cos Phi ≈1 (at 30...120% load)
      • Checked and tested enclosure unit


      • Worm gear
      • Conveyor belts
      • Mixers
      • Extruders
      • Lifting gear
      which require a very low harmonic level or 4-quadrant operation 


      • Quick access with graphic panel in the enclosure door
      • Provides a sinusoidal mains current with a THDi <5% instead of ~48%
      • Allows 4-quadrant operation