Direct acting indicating analogue electrical measuring instruments and their accessories - Part 1: Definitions and general requirements common to all parts (IEC 60051-1:2016); German version EN 60051-1:2017
Edition 2017-11

European digital cellular telecommunications system (Phase 2) - Support of Dual Tone Multi-Frequency signalling (DTMF) via the GSM system; English version ETS 300532:1994
Edition 1995-01

Universal Personal Telecommunication (UPT) - Specification of the security architecture for UPT phase 1 - Part 2: Implementation Conformance Statement (ICS) proformas; English Version ETS 300391-2:1995
Edition 1996-02

Universal Personal Telecommunication (UPT) - Specification of the security architecture for UPT phase 1 - Part 3: Conformance Test Specification (CTS); English Version ETS 300391-3:1995
Edition 1996-02

Special contacts for multi two-part connectors; concentric contacts (type C); dimensions, ratings, requirements, tests
Edition 1989-10

Radio-frequency connectors - Part 59: Sectional specification for type L32-4 and L32-5 threaded multi-pin radio-frequency connectors (IEC 61169-59:2017); German version EN 61169-59:2017
Edition 2018-06

Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment; section 3: Seismic tests (IEC 60255-21-3:1993); German version EN 60255-21-3:1995
Edition 1995-11

Microspeakers (IEC 63034:2020); German version EN IEC 63034:2020
Edition 2021-03

Passive filter units for electromagnetic interference suppression - Part 3: Passive filter units for which safety tests are appropriate (IEC 60939-3:2024); German version EN IEC 60939-3:2024
Edition 2024-12

Multi-channel radio frequency connectors - Part 1: Generic specification - General requirements and test methods (IEC 63138-1:2019); German version EN IEC 63138-1:2019
Edition 2020-08