IEC 61758-1 pdf - Free IEC Standards Download

Environmental performance tests are carried out to suit the installed environment. Each has an appropriate severity category listed in IEC 61 300 and IEC 61 753-1 : • S: subterranean (underground); • A: aerial; • G: ground level; • C: controlled (in building). 4.3 Functional closure parts 4.3.1 Primary function The primary function of the closure is to protect the fibre and other functional parts and to provide quick access to all internal components and assemblies. The primary functional parts of the closure are: • covers; • base or end plates; • closing parts; • seals for the base or end plates. 4.3.2 Cover functional requirements The closure cover requires the following features: • sealing feature; • means of attachment . 4.3.3 Base or end plate functional requirements The primary function of the base or end plate is cable attachment and sealing. The closure base or end plate requires the following features: • sealing feature; • means of attachment; • cable entry ports. 4.3.4 Opening and closing functional requirements The opening and closing function provides access to internal members, adequate closing force and structural strength. The closure cover to base fixing requires the following features: • secure fixing; • sealing feature. 4.3.5 Closure seal functional requirements The function of these parts of the closure is to form a gas and liquid resistant seal.

IEC 61758-1:2008 pdf download – Fibre optic interconnecting devices and passive components – Interface standard for closures – Part 1: General and guidance

Posted on April 28, 2022 by admin

IEC 61758-1:2008 pdf download – Fibre optic interconnecting devices and passive components – Interface standard for closures – Part 1: General and guidance Environmental performance tests are carried out to […]