IEC 61643-21 Corrigendum 1*CEI 61643-21 Corrigendum 1

Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks; Performance requirements and testing methods

2001-03-00

Có hiệu lực

DIN EN 61643-21 (2010-03), IDT * DIN EN 61643-21 (2013-07), MOD * BS EN 61643-21+A2 (2001-08-31), IDT * BS EN 61643-21+A2 (2001-08-31), MOD * NF C61-744-21 (2001-11-01), IDT * OEVE/OENORM EN 61643-21 (2002-05-01), IDT * OEVE/OENORM EN 61643-21 (2010-05-01), NEQ * OEVE/OENORM EN 61643-21 (2013-08-01), IDT * PN-EN 61643-21 (2002-09-15), IDT * PN-EN 61643-21 (2004-07-01), IDT * SS-EN 61643-21 (2002-12-04), IDT * UNE-EN 61643-21 (2002-10-28), IDT * CSN EN 61643-21 (2002-03-01), IDT * NEN-EN-IEC 61643-21:2001 en;fr (2001-09-01), IDT * NEN-IEC 61643-21:2000/C1:2001 en;fr (2001-06-01), IDT

IEC 61643-21*CEI 61643-21 (2000-09)

IEC 61643-21 Corrigendum 1*CEI 61643-21 Corrigendum 1 (2001-03)

Circuit networks * Definitions * Electrical engineering * Environmental testing * Low-voltage circuit * Low-voltage equipment * Mechanical testing * Mission * Operating conditions * Overvoltage protection * Performance * Performance requirements * Signal processing * Specification (approval) * Surge arresters * Telecommunications * Testing * Testing conditions * Use * Inserts

29.120.50. Cầu chảy và các thiết bị bảo vệ quá tải
33.040.30. Hệ thống ngắt điện và báo hiệu