Petzl MAESTRO S

The Petzl MAESTRO S is a high-performance descender designed for technical rescue operations involving loads of up to 250kg. Combining a descender with an integrated progress-capture pulley, it allows rescuers to seamlessly switch between lowering and hauling without transferring the load. Compatible with 10.5-11.5mm ropes, the MAESTRO S delivers exceptional control, efficiency and versatility for complex rescue scenarios.

The Details

• Designed for technical rescue operations involving heavy loads.
• Combines a descender with an integrated progress-capture pulley.
• Allows immediate transition between lowering and hauling without transferring the load.
• Suitable for use in both primary and backup belay systems.
• Lower attachment point allows a variety of haul system configurations.
• Ergonomic handle provides smooth, progressive control during descents.
• Hole in the handle allows the installation of a remote control cord.
• AUTO-LOCK system automatically locks the rope when the handle is released.
• Rope can be taken up without operating the handle once the device is locked.
• Large-diameter integrated pulley with sealed ball bearings delivers excellent hauling efficiency.
• Faceted pulley sheave creates additional friction for improved braking performance during descents.
• Integrated brake allows friction to be adjusted according to the load and rope diameter.
• Compatible with ropes from 10.5-11.5mm in diameter.
• Can also be used with a 10mm rope for working loads up to 150kg.
• Working load limit of 250kg with 10.5-11.5mm ropes.
• Supports loads up to 272kg when used with an 11mm NFPA-certified General Use rope.
• Sheave mounted on sealed ball bearings for smooth operation.
• Breaking strength: 3kN (18kN x 2).
• Pulley efficiency: 86%.
• Weight: 1,100g.
• Materials: Aluminium, stainless steel and nylon.
• Certified to CE EN 12841 Type C, CE EN 341, NFPA 2500 General Use, NFPA 2500 Technical Use, ANSI Z359.9 and ANSI Z459.1.