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IEC TS 61643-06 ED1

Low-voltage surge protective devices - Part 06: Requirements and test methods for SPD specific disconnectors IEC TS 61643-06 ED1

General information

50.20   Proof sent to secretariat or FDIS ballot initiated: 8 weeks   Sep 25, 2026

PRVDTS    Nov 20, 2026

IEC

TC 37/SC 37A

Technical Specification

29.240.10   Substations. Surge arresters

Scope

This TS applies to SPD Specific Disconnectors (SSD) having an appropriate impulse current capability and intended for operation in systems rated up to 1000 V RMS AC and 1500V DC.
DC is under consideration.
SSDs are intended to safely disconnect an SPD from the power system in the event of end-of-life of the SPD based on e.g. leakage current, fault current, over current, short circuit current, temperature, etc.
SSDs are expected to withstand the SPD’s impulse rating.
SSDs covered by this standard are stand-alone devices which include the requested switching capability, external to the SPD.

Life cycle

NOW

IN_DEVELOPMENT
IEC TS 61643-06 ED1
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Sep 25, 2026




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