H Series
Helical gear reducers - aluminium

Helical gear reducers

HA - IHA - CHA

Designed to offer maximum reliability even in the harshest operating conditions, the HA product series guarantees complete versatility and is suitable for applications that require high radial loads.

The H-series includes a large number of extremely versatile models, in cast iron (sizes 030 to 140) or aluminium (sizes A30 to A60) casing.

Certifications Available: ATEX 3GD

Warranty: Two years from date of delivery. 

Characteristics

  • Sizes: A30-A40-A50-A60 
  • Available versions: HA - fitted for motor coupling, IHA - with input shaft, CHA - with compact motor
  • Casing with feet, flange F or universal U
  • Power up to 5,5 kW 
  • Gears hardened and tempered with shaved or ground profile 
  • Gearing with 1, 2 and 3 reduction stages 
  • Reduction ratios between 1,33 and 353,98 
  • Torque max 500 Nm and admissible radial loads max 8.000 N 
  • Cases in die-cast aluminium alloy 
  • Load capacity calculated to ISO 6336 and verified according to AGMA 2001
  • Painted with RAL 5010 blue epoxy-polyester powder 
  • Downloads
  • Product check list

    To enable us to identify the correct product for your requirements please complete the below form.

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    CUSTOMER INFO
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    APPLICATION DATA
    Motor Type

    Motor Information
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    Protection degree

    Gearbox speed (rpm)

    Speed range (rpm)

    Required torque (max/average)

    Description of the application

    Stop-Starts/Hr (Qty) - Duty

    Hours-Run/Day

    Casing version

    Gearbox mounting

    Mounting position (see catalogue)

    Loading (Please refer to the “Service Factor” paragraph on the catalogue)

    Fr/Fa radial/axial load

    Connection(direct, coupling, belt drive, chain...)

    Minimum Service Factor required

    Certifications/ Regulations required
    ENVIRONMENT CONDITIONS

    Presence of external heat sources ((from sun, environment and/or machines)

    Installation environment
    Type of atmosphere
    The following information is useful and necessary to identify the correct product according to the European ATEX Directive 94/9/CE. Please, fill the blank spaces of this document. Important note: Motovario cannot supply products for Atex 1D/1G or Zone 0

    Type of zone
    GAS
    DUST

    Permitted surface temperature
    GAS (Temperature class)

    DUST

    Motovario, if above information is provided, can confirm harmonization to EN1127-1 and from EN13463-1 to EN13483-8 for: H/HA Series - Helical gear reducers, B/BA Series - Helical bevel gear reducers, S Series - Shaft mounted gear reducers, NMRV/NMRV-P Series - Worm gear reducers.
    In case of order, the information above must be provided to enable the supply of the product necessary certification, file number and data for the nameplate.

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