TeSys Protect - Deca Overload Relays (0.1 to 38 A) - Use in Explosive Atmospheres

This document provides essential safety and compliance information for TeSys Deca 3-pole thermal overload relays rated from 0.1 to 38 A, designed for use in explosive atmospheres. It covers models LRD••, LR3D••, LRD••L, and LR3D••L in differential and non-differential configurations, certified according to ATEX directive 2014/34/UE and UK statutory requirements SI 2016 No. 1107. The document outlines general rules of use, emphasizing that products must be installed outside Ex zones while protecting motors in Zones 1-2 or 21-22. It includes startup procedures, configuration requirements, maintenance guidelines, and references to applicable standards including EN/IEC 60079-14, 60079-17, and EN 50495. The relays are available in screw clamp, lug, and spring connector versions, with certification numbers INERIS 06ATEX0036X and CML 21UKEX7331X. Note: AI-generated document summary. Please check the original document for detailed information.