Maestro S Descender 10.5 - 11.5 mm Ropes
$923.00
The Petzl MAESTRO S Descender is a high-performance device designed for technical rescue operations, combining a descender and integrated progress capture pulley into a single unit. Built for handling moderate to heavy loads, it enables efficient lowering and hauling without the need to change equipment during an operation.
Engineered for versatility and control, the MAESTRO S allows rescuers to seamlessly transition between lowering and raising systems, improving efficiency and safety in complex rescue scenarios. It is optimised for use with smaller diameter ropes compared to the MAESTRO L, making it ideal for a wider range of technical rescue and rope access applications.
Common Key Features
- Integrated progress capture pulley allows use for both descent and hauling
- AUTO-LOCK system automatically locks the rope when the handle is released
- Ergonomic handle provides smooth, controlled descent under load
- Large diameter sheave on sealed ball bearings for high hauling efficiency
- Can be used in primary systems or as a backup belay device
- Clear markings on the device assist with correct rope installation
Performance & Design Features
- Designed for technical rescue, rope access and load management applications
- Immediate transition from lowering to hauling without transferring the load
- Integrated braking system adjusts friction based on load and rope diameter
- Faceted sheave design increases friction for improved control during descent
- High efficiency system reduces effort during hauling operations
- Suitable for a wide range of rescue and industrial environments
Specifications
| Specification | Details |
|---|---|
| Product Code | D024AA00 |
| Weight | Approx. 1100 g |
| Material | Aluminium, stainless steel, nylon |
| Rope Compatibility | 10.5 mm – 11.5 mm |
| Sheave Type | Faceted, sealed ball bearings |
| Maximum Working Load | Up to 250 kg |
| Breaking Strength | 36 kN (18 kN x 2) |
| Efficiency | Approx. 86% |
| Certifications | CE EN 12841 Type C, EN 341, NFPA Technical Use |
Frequently Asked Questions
What is the MAESTRO S used for?
It is designed for technical rescue operations, allowing users to lower and haul loads efficiently using a single device.
What is the difference between MAESTRO S and MAESTRO L?
The MAESTRO S is designed for smaller ropes (10.5–11.5 mm) and slightly lower load capacities, while the L version is built for heavier loads and larger diameter ropes.
Can it switch between lowering and hauling?
Yes. It allows immediate transition between lowering and raising without needing to transfer the load.
Does it have a self-braking function?
Yes. The AUTO-LOCK system automatically locks the rope when the handle is released.
What environments is it suited for?
It is commonly used in technical rescue, rope access, confined space and industrial applications.