E DIN EN IEC 62271-100/A1 VDE 0671-100/A1:2024-04

This A1 includes amendments to sections 3.7.112 - terminal fault, 5.104 Rated operating sequence, 5.106.1 Rated capacitive currents, 7.2.10 Partial discharge tests, 7.2.12.101 Condition after mechanical or environmental test, 7.101.1.3 Characteristics and settings of the circuit-breaker to be recorded before and after the tests, 7.101.3.1 General requirements, 7.102.4.1 Single-phase testing of a single pole of a three-pole circuit-breaker, 7.102.9.2 Condition of the circuit-breaker after making and breaking tests , 7.105.2 Short-circuit making current, 7.105.5 TRV for short-circuit breaking tests, 7.105.5.6 Test-duties OP1 and OP2, 7.109.3 Test circuit, 7.109.4 Test-duties, 7.111.9.2 Common test conditions for class C1 and C2 performance, 8.101 Mechanical operating tests, 9.104 Selection and 11.3.102.2.6 Record of the mechanical travel characteristics.
This part of IEC 62271 is applicable to three-phase AC circuit-breakers designed for indoor or outdoor installation and for operation at frequencies of 50 Hz and/or 60 Hz on systems having voltages above 1 000 V. This document includes only direct testing methods for making-breaking tests. For synthetic testing methods refer to IEC 62271-101.