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SANS 61643-21 Ed. 1.01 (2009)被替代
Low Voltage Surge Protective Devices - Part 21: Surge Protective Devices Connected To Telecommunications And Signalling Networks - Performance Requirements And Testing Methods
出版：South African Bureau of Standards
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標(biāo)準(zhǔn)編號： SANS 61643-21 Ed. 1.01 (2009)
發(fā)布時間：2009/6/26 0:00:00
標(biāo)準(zhǔn)類別：Standard
出版單位：South African Bureau of Standards
標(biāo)準(zhǔn)頁數(shù)：0
標(biāo)準(zhǔn)簡介
Applies to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages.
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