The Otolift Modul-Air (also known as the Modul-Air Smart) is the most innovative and compact curved stairlift available, featuring the world’s thinnest single rail at just 6cm diameter.
Designed by Dutch manufacturer Otolift, it’s ideal for narrow, steep, spiral, or multi-turn staircases where space is limited. With exclusive Reverse Drive Technology, it can travel partially or fully backwards to avoid obstructions, ensuring a perfect fit even on the tightest stairs.
Regain full access to your home with this premium, custom-made solution for curved indoor staircases.
Weatherproof, Safe, & Reliable – Perfect for Indian Homes
| Feature | Details |
|---|---|
| Loading Capacity | Up to 130-140 kg (depending on configuration) |
| Rail Type | Single tubular rail, 60mm diameter |
| Drive System | Rack and pinion with Reverse Drive |
| Power | 24V DC battery (continuous charging) |
| Stair Types | Curved, spiral, multi-turn, narrow/steep |
| Minimum Stair Width | ~60-70 cm (with reverse drive) |
| Speed | Smooth, variable (quiet operation) |
| Safety Features | Obstacle sensors, seatbelt, key lock, emergency stop |
| Installation | Directly to stairs (no wall damage) |
| Standards | CE certified, high-quality materials |
Fits where others can't – ideal for narrow or spiral stairs.
Ergonomic seat, automatic features, and smooth ride.
Leaves stairs usable for others; handrail often remains intact.
Battery backup, diagnostic display, and durable construction.
Slim profile blends seamlessly into your home.
Modular rail for faster delivery and precise fit
Our experts assess your staircase and provide a no-obligation quote
Precision-made rail for a perfect fit
Completed in 1-3 days by certified technicians
Complete demonstration and handover.
Vin Grace is one of India’s most trusted manufacturers of Acorn outdoor stairlifts and mobility solutions, providing high-quality products and reliable service:
Certified Partnership – Officially partnered with Acorn, Otolift, and Platinum, ensuring top-quality stairlifts.
Expert Installation & Support – Professional installation and dedicated after-sales support available across India.
Comprehensive Mobility Solutions – A wide range of products including wheelchairs, ramps, and home elevators to suit every need.
Highly Rated by Customers – 4-star rating on Trustpilot from 38 satisfied users.
Join thousands of happy customers who have regained their independence and freedom with Vin Grace.
Equipped with multiple sensors, retractable seatbelt, key lock, and obstacle detection. Meets international safety standards for complete peace of mind.
Yes – its thin rail and reverse drive make it ideal for tight, curved, or spiral configurations.
Typically 1-3 days, with no structural changes needed.
Yes, battery-powered with automatic charging.
Up to 130-140 kg, suitable for most users.
Manufacturer’s warranty with extended options available.
In most cases, yes – thanks to the slim design.
Don’t let stairs limit your independence. Limited installation slots available this month.
