Components / Elevator Motors

Sicor MR12C Geared Elevator Traction Machine

Sicor MR12C is an Italian geared traction machine designed for reliable elevator traction, smooth ride performance and long service life in demanding lift applications.

Brand Sicor
Model MR12C
Origin Italy
CE Certified EN 81 Compliant ISO 9001
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Description

Sicor MR12C is a professional Italian geared traction machine developed for elevator and lifting platform applications where robustness, serviceability and stable torque transmission are essential. The machine is suitable for new installations and modernization projects, depending on the selected rope arrangement, traction sheave, motor power and project load. Its geared reducer concept supports dependable operation in machine-room elevator systems while allowing installers to choose project-specific configurations through the manufacturer’s technical data sheet or configurator. For Nazar Elevator projects, Sicor MR12C can be positioned as a premium European drive solution for passenger lifts, freight lifts, service lifts and special elevator applications requiring proven mechanical durability, controlled acceleration and safe braking performance. Final motor power, speed, sheave diameter and rope data should always be confirmed according to the elevator calculation.

What is a geared traction machine?

The Sicor MR12C is a geared elevator traction machine. A geared machine drives the sheave through a worm or helical gearbox, which multiplies torque and allows a smaller, lower-cost motor to move the same load.

Geared machines are typically specified for machine room (MR) elevator systems at low to medium speeds, and for freight and goods lifts where high starting torque matters more than energy efficiency. Nazar Elevator supplies the Sicor MR12C to elevator contractors and distributors worldwide.

Technical Specifications

Technical Specifications

Machine typeGeared traction machine (worm gear)
Product seriesSV / SH / MR
For rated loads up to550 kg
Speed range (50 Hz)0,34 ... 2,19 m/s
Speed range (60 Hz)0,62 ... 2,63 m/s
Max. static load25,5 kN - 2600 kg
Gear ratios1/55; 1/43; 2/43; 2/55
Traction sheave diameters340, 400, 450, 480, 550, 600 mm
Weight240 kg
Oil capacity3,8 l
MountingRight-hand or left-hand (from motor side)
ManufacturerSicor Italy S.R.L., Rovereto, Italy

Power range by supply and poles

Supply / polesMotor power
50 Hz 4 poles VVVF4 ÷ 6,7 kW
50 Hz 4/16 poles4 ÷ 5,5 kW
50 Hz 6 poles VVVF2,7 ÷ 3,6 kW
50 Hz 6/16 poles2,7 ÷ 3,6 kW

Traction sheaves and grooves

Sheave Ø [mm]Rim width E [mm]Max. grooves × rope ØGroove pitch [mm]
340116 / 76 / 1006xD8, 8xD820 / 12
400705xD8, 4xD9, 4xD1014 / 17
450705xD8, 4xD9, 4xD10, 4xD1114 / 17
480704xD11, 3xD1217 / 19
550705xD8, 4xD9, 4xD10, 4xD11, 3xD12, 3xD1314 / 17 / 19
600685xD8, 4xD9, 4xD10, 3xD11, 3xD12, 3xD1312 / 16 / 18 / 19

Notes

  • Per-configuration motor values (rated current, torque and power factor) are given in the Sicor electric motor data tables and are available on request.

Data source: Sicor SV/SH/MR and SGS/SG machine brochures (BRH0057 rev. 12, BRH0004 rev. 19, BRH0076 rev. 02).

Frequently Asked Questions

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