prEN 341

This document specifies requirements, test methods, marking and manufacturer’s instructions and information for descender devices fitted with a built-in speed-regulating system, which include descent lines (hereinafter referred to as lines). These descender devices are intended to be used in a rescue system to provide protection against falling from a height when accessing/leaving positions at a height.
This document does not specify requirements for descender devices that are used for descending in mountaineering, rope access or work positioning systems.