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Otis RE105-250 Dumbwaiter: Precision Vertical Transport with Geared Traction System
The Otis RE105-250 is a robust, medium-duty geared traction dumbwaiter engineered for efficient vertical transport of goods up to 250kg across six floors. Designed for industrial applications like hotels, hospitals, and warehouses, it features a durable SS 304 car and advanced microprocessor control for reliable, safe operation.
Quick Answer
The Otis RE105-250 offers superior precision leveling and smooth, low-noise operation driven by a powerful 2.2kW geared traction motor, ensuring optimal efficiency for demanding multi-floor material transfer.
✓Advanced Geared Traction System: Equipped with a 2.2kW geared traction motor and microprocessor control, offering variable speed, soft start/stop, and precision leveling for consistent, efficient performance.
✓Comprehensive Safety Suite: Features safety sensors, overload protection, emergency stop, interlock system, and CE/ISO certifications, ensuring operator and load security in compliance with IS 14665 / EN 81.
✓Robust Stainless Steel Construction: Built with an SS 304 car and structural steel frame, this unit ensures longevity, hygiene, and reliable operation in demanding environments, suitable for various goods.
The Otis RE105-250 is the gold standard for high-traffic hotels and hospitals. Its 250kg capacity and SS 304 car make it ideal for transporting heavy catering equipment or medical goods across six floors. Featuring a geared traction motor and advanced microprocessor controls, it offers precision that cheaper models lack. Choose this if you require industrial durability and safety interlocks for a 20m travel height. Avoid if you lack 3-phase power or only need to move light packages; this is a heavy-duty workhorse designed for professional environments.
✓ Who Should Buy
- •Hotels and Restaurants requiring efficient, hygienic multi-floor food, beverage, or linen transport.
- •Hospitals and Healthcare Facilities needing reliable movement of medical supplies, instruments, and waste between departments.
- •Warehouses and Retail Stores for streamlined movement of inventory and goods up to 250kg between levels.
- •Commercial establishments seeking a durable, safe, and low-maintenance service lift solution for consistent material handling.
✕ Who Should Avoid
- •Applications requiring load capacities exceeding 250kg or travel heights beyond 20 meters, where a heavier-duty or full-sized goods lift would be more appropriate.
- •Installations where shaft construction is not feasible or where space constraints significantly deviate from the required shaft dimensions (1300mm W x 1200mm D), pit depth, or headroom.
- •Residential or light-duty applications where simpler, less robust, or smaller capacity units would suffice, potentially at a lower investment.
Product Overview
The Otis RE105-250 represents a pinnacle in medium-duty vertical transport, specifically designed as a goods lift for rigorous industrial and commercial environments. Manufactured in India by Otis, this 2023 model dumbwaiter is optimized for applications in hotels, hospitals, and warehouses, facilitating seamless material flow.
Technical Specifications: Capable of handling a load capacity of 250kg, the RE105-250 features a spacious car with dimensions of 800mm (width) x 800mm (depth) x 1000mm (height), constructed from high-grade SS 304 stainless steel, ensuring both hygiene and structural integrity. Access is managed via bi-parting sliding doors that open from the side, a practical design for efficient loading and unloading.
Performance: Powering its precise movement is a 2.2kW geared traction motor, operating on a 3-phase, 415V, 50Hz power supply. This system delivers a steady speed of 0.40 m/s and supports travel heights up to 20 meters, serving up to 6 floors. The advanced microprocessor control panel ensures smooth operation, variable speed control, and soft start/stop functionality, significantly reducing wear and tear while enhancing operational consistency.
Design and Build: The overall unit measures 1200mm (width) x 1100mm (depth) x 2400mm (height) and weighs 500kg. Its robust framework is constructed from structural steel with a durable grey powder-coated finish. Movement stability is assured by two T-Section steel guide rails and industrial-grade rollers, complemented by a fully enclosed platform and a counterweight system for balanced, energy-efficient operation.
| Brand | Otis |
| Model Name | RE105-250 |
| Category | Dumbwaiter |
| Sub Type | Goods Lift |
| Series | RE105 |
| Model Year | 2023 |
| Country Of Origin | India |
| Intended Use | Hotels, hospitals, warehouses |
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Engineering Analysis
The Otis RE105-250 is engineered for exceptional operational reliability and safety, integrating a sophisticated geared traction motor drive system. This 2.2kW motor, coupled with a microprocessor control panel, enables precise control over acceleration and deceleration through variable speed control and soft start/stop algorithms, minimizing mechanical stress and ensuring smooth car movement at a consistent 0.40 m/s. The system's precision leveling capability is crucial for seamless loading and unloading at each of the supported six floors, maintaining accurate alignment even under varying load conditions.
Safety and Load Management: A comprehensive suite of safety features is integral to the RE105-250's design. An advanced interlock system prevents door opening when the car is not present or in motion, while dedicated safety sensors and an overload sensor provide real-time monitoring. These sensors trigger an emergency alarm and activate emergency stop protocols if critical limits are breached, safeguarding both operators and goods. The inclusion of a load balancing system, along with load overrun protection and temperature overload protection, further enhances operational safety and extends component lifespan. Furthermore, the auto-return-to-base function streamlines workflow by automatically repositioning the car after cycles. Compliance with IS 14665 / EN 81 standards, CE, and ISO certifications underscores its adherence to stringent international safety norms, complemented by emergency power backup and lighting provisions, along with optional fire-resistant doors, to ensure continuous, safe operation even in adverse conditions.
Technical Support & FAQs
Engineering Analysis
The Otis RE105-250 is engineered for exceptional operational reliability and safety, integrating a sophisticated geared traction motor drive system. This 2.2kW motor, coupled with a microprocessor control panel, enables precise control over acceleration and deceleration through variable speed control and soft start/stop algorithms, minimizing mechanical stress and ensuring smooth car movement at a consistent 0.40 m/s. The system's precision leveling capability is crucial for seamless loading and unloading at each of the supported six floors, maintaining accurate alignment even under varying load conditions.
Safety and Load Management: A comprehensive suite of safety features is integral to the RE105-250's design. An advanced interlock system prevents door opening when the car is not present or in motion, while dedicated safety sensors and an overload sensor provide real-time monitoring. These sensors trigger an emergency alarm and activate emergency stop protocols if critical limits are breached, safeguarding both operators and goods. The inclusion of a load balancing system, along with load overrun protection and temperature overload protection, further enhances operational safety and extends component lifespan. Furthermore, the auto-return-to-base function streamlines workflow by automatically repositioning the car after cycles. Compliance with IS 14665 / EN 81 standards, CE, and ISO certifications underscores its adherence to stringent international safety norms, complemented by emergency power backup and lighting provisions, along with optional fire-resistant doors, to ensure continuous, safe operation even in adverse conditions.