Motovario SF003 Variable Speed Drive – Ultra-Compact Aluminium, Foot/Flange Mount, Stepless 380–2000 rpm Output

The Motovario SF003 variator is an ultra-compact mechanical variable-speed unit designed for precise, stepless adjustment without electronics. Its lightweight aluminium housing and flexible PAM options (Compact / Standard / ECE) make it ideal for space-restricted OEM machinery, small conveyors, dosing, and packaging systems that need simple, reliable speed control.

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Key Specifications

Manufacturer: Motovario
Series: SF – Aluminium Variators
Model: SF003
Mounting: Foot or Flange (PAM Compact / Standard / ECE)
Input Options: IEC motor adaptor (e.g., 63B5) or ECE solid shaft
Admissible Radial Load: Up to 5000 N (application dependent)
Max Torque (family): Up to 144 Nm (configuration dependent)

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Speed Performance

With 2-Pole Motor: ~380 – 2000 rpm output
With 4-Pole Motor: ~190 – 1000 rpm output
With 6-Pole Motor: ~122 – 660 rpm output

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Mechanical & Construction

Regulation Principle: Stepless friction-disc mechanical variator
Housing: Corrosion-resistant aluminium body
Output Shaft: Keyed shaft (multiple diameters/lengths available)
Cooling: Natural convection (no fan)
Lubrication: Factory oil-filled for long service intervals
Finish: RAL 5010 blue protective coating

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Electrical Compatibility

IEC Motor Poles: 2P / 4P / 6P
Typical Motor Power Range: up to ~0.18 kW (size & duty dependent)
Starting Method: DOL / Soft start
Duty Rating: S1 Continuous operation

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Environmental & Compliance

Operating Temperature: −20 °C to +40 °C (standard)
Protection (with suitable motor): Typically IP54
Application: Industrial/OEM environments

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Features & Benefits

• ✅ Stepless mechanical speed control — no inverter required
• ✅ Ultra-compact footprint for tight installations
• ✅ PAM flexibility (Compact / Standard / ECE solid-shaft)
• ✅ High radial load capability for pulleys/sprockets
• ✅ Low noise & low maintenance for continuous duty

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Typical Applications

• Mini conveyors & feeders
• Dosing, labelling & small packaging machines
• Light processing & assembly equipment
• Compact OEM drive modules

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Why Buy from Worm Gear Motors Online?

Genuine Motovario supply: Warranty-backed and traceable.

Engineering support: We confirm motor pairing, shaft size & speed window.

Fast UK delivery: Stock and rapid sourcing available.

Best Price Guarantee: Find it cheaper? We’ll beat it!

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Order the Motovario SF003 Variator Today

All inputs, PAM styles & output shaft options available with full technical assistance.
Contact us for pricing, lead times & configuration help