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IEC 61753-111-09:2021

Fibre optic interconnecting devices and passive components - Performance standard - Part 111-09: Sealed closures - Category S - Subterranean

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Kehtiv alates 14.09.2021
Tegevusala (ICS grupid)
33.180.20 Kiudoptika liitmikud
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Standardi ajalugu
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Tüüp
Nimetus
14.09.2021
Põhitekst
10.11.2009
Põhitekst
IEC 61753-111-09:2021 contains the minimum tests, test severities and measurement requirements which a sealed fibre optic closure need to meet in order to be categorised as meeting the IEC standard for category S – Subterannean, as defined in Table A.15 of IEC 61753‑1:2018. This first edition cancels and replaces IEC 61753-111-9 published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC 61753‑111‑9: - terms and definitions updated according to IEC 61753-1:2018 and IEC 61756-1:2019; - detailed test severities added for UV light and fungus resistance tests of materials; - test severities updated according to IEC 61753-1:2018; - laboratory test conditions harmonized with IEC 61300-1 to +23 °C ± 5 °C, unless otherwise specified; - addition of B-657 fibre types with minimum bending radius of stored fibres according to IEC 61756-1:2019; - vibration sealing test changed to 10 Hz, 3 mm amplitude and 1 000 000 cycles; - reduced loads added in cable retention test for small diameter cables and tubes; - reduced loads for cable axial compression test for small diameter cables and tubes; - duration of the cycles in torsion and bending test added; - free fall test removed (is covered now by the optical shock test); - assembly and disassembly test duration reduced to 5 cycles - resistance to solvents and contaminating fluids: changed duration of immersion in diesel to 1 h and 24 h drying time and removed immersion in kerosene; - duration of the change of temperature reduced to 12 cycles.
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