Window Lift Motor
REF. 4M91000 – Stroke for standard ventilation
REF. 4M91000E10S – Stroke for minimum ventilation
REF. 4M91055 – Stroke for standard ventilation OFA 24 V
REF. 4M91055E10S – Stroke for minimum ventilation OFA 24 V
- Pulling Force: 900 kg.
- Lifting system: Single-Shaft Pulley.

Products > Motors > Lift Motors > 900 kg Single-Shaft Pulley
About the product
“The key to success: configuring and optimizing your equipment.”
Window Lift Motor
900 kg
Single-Shaft Pulley
Lift motor electronically operated by high-quality microcontrollers.
Designed to create a natural or forced ventilation control system.
With built-in 2 x 12 V batteries.
In combination with OSMO OCV2/OCV3/OCM/Emergency regulators, it enables the automation of installations:
- WITHOUT 230 V electrical supply – with generator sets and/or solar panels
- WITH 230 V electrical supply, providing up to 24 hours of autonomy in the event of power supply outages in the installations
Protected from external conditions by its chassis and cover (zinc-plated/painted).
Technical Data
- Pulling Force: 900 kg.
- Lifting system: Single-Shaft Pulley.
- Programmable window travel
- Motor: 24 V / 2 A
- 2 built-in 12 V / 5 Ah batteries
- Maximum operating consumption up / down: 2 A / 0.35 A
- Speed: 1 min⁻¹ (rpm unloaded)
- Dimensions length / width / height: 435 x 244 x 187 mm
- Weight: 18 kg
- Shaft-base distance: 70 mm
- The flexible multicore connection cable is not supplied
Documentation and manuals
Technical Data Sheet
900 kg Single-Shaft Pulley Motor
PDF document.
Instructions
Motors 24V Osmoeuropa
ESP. Mot 24V Rev 1 dated 16/03/2023
Instructions
Related manuals
For this product, please refer to the instruction manual for:
- Mechanical Limit Switch.
- OFA 24 V Power Supply
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