Altivar 71 Plus-LH

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


  • Presentation

    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
  • Benefits

    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
  • Applications

    • Worm gear
    • Conveyor belts
    • Mixers
    • Extruders
    • Lifting gear

    which require a very low harmonic level or 4-quadrant operation


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