Akar SMT140AC Gearless Elevator Traction Machine
Akar SMT140AC is a Gearless Elevator Traction Machine designed for reliable elevator applications where ride comfort, controlled traction and service-friendly installation are required.
Description
What is a gearless traction machine?
The Akar SMT140AC is a gearless elevator traction machine. A gearless machine couples a permanent-magnet motor directly to the drive sheave, with no gearbox between them — which removes the largest source of energy loss, gear oil maintenance and mechanical noise found in geared systems.
Gearless machines are the standard choice for machine roomless (MRL) elevators and for installations where quiet running and low energy consumption are specified. Nazar Elevator supplies the Akar SMT140AC to elevator contractors and distributors worldwide.
Technical Specifications
| Machine type | Gearless permanent-magnet traction machine |
| Rated capacity | 320 – 1000 kg |
| Rated speed | 1 – 1,6 m/s |
| Motor power | 2,5 – 10,3 kW |
| Sheave options | Ø210 / Ø240 / Ø320 mm |
| Variant | SMT140AC-10 · SMT140AC-15 · SMT140AC-20 |
| Origin | Türkiye |
| Standards | EN 81-20 · EN 81-50 · CE |
Configuration table
| Variant | Capacity | Speed | Sheave (Ø × grooves × rope) | Ropes | Power | Current |
|---|---|---|---|---|---|---|
| SMT140AC-10 | 320 kg | 1 m/s | Ø240 mm | 4 × Ø6,5 mm | 3,3 kW | 8 A |
| SMT140AC-10 | 375 kg | 1 m/s | Ø210 mm | 5 × Ø6,5 mm | 3,7 kW | 10 A |
| SMT140AC-10 | 375 kg | 1 m/s | Ø240 mm | 5 × Ø6,5 mm | 3,3 kW | 9 A |
| SMT140AC-10 | 375 kg | 1,6 m/s | Ø210 mm | 5 × Ø6,5 mm | 5,8 kW | 14 A |
| SMT140AC-10 | 375 kg | 1,6 m/s | Ø240 mm | 5 × Ø6,5 mm | 5,1 kW | 14 A |
| SMT140AC-10 | 450 kg | 1 m/s | Ø210 mm | 5 × Ø6,5 mm | 3,7 kW | 10 A |
| SMT140AC-10 | 450 kg | 1 m/s | Ø240 mm | 5 × Ø6,5 mm | 3,3 kW | 10 A |
| SMT140AC-10 | 450 kg | 1,6 m/s | Ø210 mm | 5 × Ø6,5 mm | 5,8 kW | 17 A |
| SMT140AC-10 | 450 kg | 1,6 m/s | Ø240 mm | 5 × Ø6,5 mm | 5,1 kW | 17 A |
| SMT140AC-15 | 320 kg | 1 m/s | Ø320 mm | 3 × Ø8 mm | 3,9 kW | 8 A |
| SMT140AC-15 | 320 kg | 1 m/s | Ø210 mm | 6 × Ø6,5 mm | 2,5 kW | 7 A |
| SMT140AC-15 | 375 kg | 1 m/s | Ø320 mm | 4 × Ø8 mm | 3,9 kW | 9 A |
| SMT140AC-15 | 375 kg | 1,6 m/s | Ø320 mm | 4 × Ø8 mm | 6,3 kW | 13 A |
| SMT140AC-15 | 450 kg | 1 m/s | Ø320 mm | 4 × Ø8 mm | 3,9 kW | 10 A |
| SMT140AC-15 | 630 kg | 1 m/s | Ø210 mm | 6 × Ø6,5 mm | 6,1 kW | 13 A |
| SMT140AC-15 | 630 kg | 1 m/s | Ø240 mm | 6 × Ø6,5 mm | 5,5 kW | 12 A |
| SMT140AC-15 | 630 kg | 1,6 m/s | Ø210 mm | 6 × Ø6,5 mm | 9,8 kW | 20 A |
| SMT140AC-15 | 630 kg | 1,6 m/s | Ø240 mm | 6 × Ø6,5 mm | 8,3 kW | 20 A |
| SMT140AC-15 | 800 kg | 1 m/s | Ø210 mm | 7 × Ø6,5 mm | 6,1 kW | 15 A |
| SMT140AC-15 | 800 kg | 1 m/s | Ø240 mm | 7 × Ø6,5 mm | 5,5 kW | 15 A |
| SMT140AC-15 | 800 kg | 1,6 m/s | Ø210 mm | 7 × Ø6,5 mm | 9,8 kW | 20 A |
| SMT140AC-20 | 320 kg | 1 m/s | Ø240 mm | 6 × Ø6,5 mm | 3,3 kW | 8 A |
| SMT140AC-20 | 375 kg | 1 m/s | Ø210 mm | 7 × Ø6,5 mm | 3,3 kW | 9 A |
| SMT140AC-20 | 375 kg | 1 m/s | Ø240 mm | 7 × Ø6,5 mm | 3,3 kW | 10 A |
| SMT140AC-20 | 450 kg | 1,6 m/s | Ø320 mm | 4 × Ø8 mm | 6,4 kW | 16 A |
| SMT140AC-20 | 800 kg | 1,6 m/s | Ø240 mm | 7 × Ø6,5 mm | 10,3 kW | 25 A |
| SMT140AC-20 | 1000 kg | 1 m/s | Ø210 mm | 8 × Ø6,5 mm | 7,4 kW | 20 A |
| SMT140AC-20 | 1000 kg | 1 m/s | Ø210 mm | 8 × Ø6,5 mm | 6,8 kW | 20 A |
Source: Akar Asansör catalogue 2025.
Frequently Asked Questions
The Akar SMT140AC Gearless Elevator Traction Machine is rated for the rated load range. Always verify the final capacity against the official data sheet and elevator calculation before ordering.
The Akar SMT140AC Gearless Elevator Traction Machine is designed for up to 4 m/s across SMT range. The exact speed configuration depends on roping ratio, sheave diameter and inverter settings.
The Akar SMT140AC Gearless Elevator Traction Machine is a gearless elevator traction machine. This design reduces mechanical losses and simplifies maintenance compared to conventional solutions.
Akar SMT140AC is a Gearless Elevator Traction Machine designed for reliable elevator applications where ride comfort, controlled traction and service-friendly installation are required.
Yes. Nazar Elevator can supply the Akar SMT140AC Gearless Elevator Traction Machine as part of a complete lift package including cabin, doors, control panel and safety components. Contact our export team for project-specific configurations.
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