Related Products
Otis PQRT1-H: Engineered 100kg Rope Traction Dumbwaiter with SS 304 Precision
The Otis PQRT1-H is a robust compact dumbwaiter engineered for efficient vertical transport in residential kitchens, office environments, and small commercial settings. With a 100kg load capacity, SS 304 car, and a reliable rope traction drive system, it ensures smooth and precise material transfer across up to five floors at 0.4 m/s. Its integration of digital push-button controls and comprehensive safety features makes it a highly dependable solution for demanding applications.
Quick Answer
The Otis PQRT1-H offers reliable and precise vertical material handling with its 100kg load capacity, durable stainless steel construction, and advanced safety interlock system, compliant with IS 14665 standards.
✓Advanced Rope Traction Drive with Soft Start/Stop and Precision Leveling
✓Integrated Safety Protocols: Overload Sensor, Door Interlock, and Emergency Systems
✓Robust SS 304 Construction with Mild Steel Frame for Enduring Performance
For multi-level luxury homes or medical clinics, the Otis PQRT1-H is a top-tier investment. Its 100kg capacity and SS 304 brushed finish ensure hygiene and durability for transporting food or records. The rope traction drive offers smooth 0.4 m/s travel across five floors. Buy this for its compact 700mm car and robust safety interlocks. However, avoid it if your building cannot accommodate a 300mm pit or if you need an automated 'return to base' feature, which this model lacks.
✓ Who Should Buy
- •Residential homeowners seeking efficient kitchen or utility item transfer across multiple levels.
- •Small businesses and offices requiring discreet and efficient document or supply transfer.
- •Restaurants, cafes, or small hospitality venues needing light-duty food/beverage movement.
- •Architects and building developers specifying reliable, compact vertical transport for new constructions.
✕ Who Should Avoid
- •Operators requiring heavy-duty material transport exceeding the 100kg load capacity.
- •Installations demanding service for more than 5 floors or travel heights above 18 meters.
- •Applications where continuous high-speed operation or integrated emergency power backup is a mandatory requirement.
Product Overview
The Otis PQRT1-H is a meticulously designed compact residential and commercial dumbwaiter from the renowned Otis PQRT Series, manufactured in India between 2019 and 2026. This unit is specifically engineered for efficient, quiet, and reliable vertical transport of items up to 100kg, making it ideal for residential kitchens, office document transfer, and various small commercial applications.
Technically, the PQRT1-H features a robust 700mm (W) x 700mm (D) x 900mm (H) car constructed from hygienic SS 304 stainless steel, finished with a professional brushed appearance. Its power train utilizes a dependable rope traction drive system, powered by a 1.0 kW motor, operating at a regulated speed of 0.4 meters per second. This system supports a maximum travel height of 18 meters across up to five floors.
Operation is managed via a digital push-button control panel, offering intuitive user interaction. Safety is paramount, with standard inclusions such as safety sensors, an overload sensor, emergency alarm, emergency stop, and a crucial interlock system for secure door operation. The unit also incorporates a load balancing system for stable movement and features soft start/stop functionality and precision leveling, ensuring smooth item transfer at each floor. Compliant with CE, ISO, and IS 14665 safety standards, the Otis PQRT1-H represents a high-authority vertical transport solution.
| Brand | Otis |
| Model Name | PQRT1-H |
| Category | Dumbwaiter |
| Sub Type | Compact Residential / Commercial Dumbwaiter |
| Series | PQRT Series |
| Model Year | 2019-2026 |
| Country Of Origin | India |
| Intended Use | Residential kitchens, office document transfer, small commercial use |
Related Products
Engineering Analysis
The Otis PQRT1-H dumbwaiter's core engineering relies on a robust rope traction drive system, chosen for its inherent stability and smooth operation. The 1.0 kW motor, capable of operating on either 230V or 415V at 50Hz, provides ample power for the specified 100kg load capacity, especially when augmented by the integrated counterweight system. This counterweight mechanism efficiently offsets a significant portion of the car and load weight, reducing motor strain and energy consumption while enhancing ride stability and system longevity. The system's 0.4 m/s speed is optimized for safe and efficient material transfer without compromising precision.
Precision leveling is a critical performance feature, achieved through advanced control algorithms that interact with the motor's soft start/stop capabilities. This ensures the car aligns accurately with each landing, minimizing any step or gap that could impede loading or unloading. The structural integrity is maintained by a mild steel frame, complemented by two steel guide rails, ensuring linear travel and resisting deflection.
Safety protocols are comprehensive and integrated at multiple levels. The mechanical interlock system prevents car movement until all swing doors are securely closed and latched, while electrical door safety locks ensure doors cannot be opened during transit. Overload sensors prevent operation when the rated 100kg capacity is exceeded, safeguarding against mechanical stress and potential failure. Furthermore, emergency stop buttons and an emergency alarm provide immediate user intervention capabilities. The entire system's design and functionality comply with the stringent IS 14665 safety standards, alongside CE and ISO certifications, affirming its adherence to rigorous international and national safety benchmarks for vertical transport equipment.
Technical Support & FAQs
Engineering Analysis
The Otis PQRT1-H dumbwaiter's core engineering relies on a robust rope traction drive system, chosen for its inherent stability and smooth operation. The 1.0 kW motor, capable of operating on either 230V or 415V at 50Hz, provides ample power for the specified 100kg load capacity, especially when augmented by the integrated counterweight system. This counterweight mechanism efficiently offsets a significant portion of the car and load weight, reducing motor strain and energy consumption while enhancing ride stability and system longevity. The system's 0.4 m/s speed is optimized for safe and efficient material transfer without compromising precision.
Precision leveling is a critical performance feature, achieved through advanced control algorithms that interact with the motor's soft start/stop capabilities. This ensures the car aligns accurately with each landing, minimizing any step or gap that could impede loading or unloading. The structural integrity is maintained by a mild steel frame, complemented by two steel guide rails, ensuring linear travel and resisting deflection.
Safety protocols are comprehensive and integrated at multiple levels. The mechanical interlock system prevents car movement until all swing doors are securely closed and latched, while electrical door safety locks ensure doors cannot be opened during transit. Overload sensors prevent operation when the rated 100kg capacity is exceeded, safeguarding against mechanical stress and potential failure. Furthermore, emergency stop buttons and an emergency alarm provide immediate user intervention capabilities. The entire system's design and functionality comply with the stringent IS 14665 safety standards, alongside CE and ISO certifications, affirming its adherence to rigorous international and national safety benchmarks for vertical transport equipment.