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IEC 61643-361 Ed. 1.0:2026 (b)
低電圧サージ保護装置-第361部:低電圧配電システムに接続されるサージ絶縁トランス(SIT)の要求事項と試験方法
Low-voltage surge protective devices - Part 361: Surge isolation transformers (SITs) connected to low-voltage distribution system Requirements and test methods

発行年月日: 2026-04-28
状態: 有効
邦訳版: 無

規格概要
IEC 61643-361:2026 applies to surge isolation transformers (SITs) dedicated to surge mitigation and for connection to 50/60 Hz power circuits and equipment rated up to 1 000 V RMS. This document covers the surge and mitigation performance of SITs with an impulse withstand voltage performance of at least 30 kV, and provides standard methods for testing and rating.
This document covers surge-related parameters but does not address typical transformer tests and parameters covered by the IEC 61558 series 131. This document also does not cover SIT operation under differential mode lightning surge conditions.
1 Numbers in square brackets refer to the Bibliography.
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TC TC 37/SC 37B
ICS 29.180
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