Motovariators - cast iron series


Motovariators - cast iron series

  • Motovariators - cast iron series

With great reliability developed over 45 years of service, the VAR series motovariator is a valid alternative to electronic drives  and is easy to use and maintain. The S series in cast iron includes a wide range of models with flange, feet, or in compact version and is available in seven sizes from 003 to 100, with input shaft or in motorized version. The SD version with differential can also be used in applications with speeds close to 0.

Certifications Available: ATEX 2GD/3GD

Warranty: Two years from date of delivery.

Request more info
  • Sizes: 003-005-010-020-030-050-100
  • Power up to 9,2 kW
  • Cases in G200 grey cast iron
  • Shafts: case hardened and tempered 20MnCr5 steel (UNI8550)
  • Internal components: 100Cr6 heat-treated steel
  • Output speed with 4 pole motors: 190 ÷ 1000, or 0 ÷ 1000 with differenzial
  • Output speed with 2 pole motors: 380 ÷ 2000, or 0 ÷ 2000 with differenzial
  • Output speed with 6 pole motors: 122 ÷ 660, or 0 ÷ 660 with differenzial
  • Torque value max 144 Nm
  • Silent, vibration-free running
  • High efficiency
  • Bidirectional rotation
  • Control handwhel positionable on either side
  • Slipping speed to max load at 5%
  • Regulation sensibility: 0,5 rpm
  • Painted with RAL 5010 blue epoxy-polyester powder 

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

The highlighted fields are mandatory.

Required field
Required field
  • Required field
  • Required field
  • Required field
  • Required field
  • Required field
  • Required field
Motor Type

Motor Information
Required field
Required field
Required field
Required field

Protection degree

Gearbox speed (rpm)

Speed range (rpm)

Required torque (max/average)

Description of the application

Stop-Starts/Hr (Qty) - Duty


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

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

Permitted surface temperature
GAS (Temperature class)


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.
Contact us
Required field
Required field
Required field
Required field
Required field
Required field
Required field