Hivatkozási szám

MSZ EN 61558-1:2006

Dokumentumazonosító

640340

Cím

Teljesítménytranszformátorok, tápegységek, fojtótekercsek és hasonló termékek biztonsága. 1. rész: Általános követelmények és vizsgálatok (IEC 61558-1:2005)

Angol cím

Safety of power transformers, power supplies, reactors and similar products. Part 1: General requirements and tests (IEC 61558-1:2005)

Alkalmazási terület

This International Standard deals with safety aspects of power transformers, power supplies, reactors and similar products such as electrical, thermal and mechanical safety. This standard covers the following types of dry-type transformers, power supplies, including switch mode power supplies, and reactors, the windings of which may be encapsulated or non-encapsulated : NOTE 1 The distinction between transformers, power supplies and switch mode power supplies is as follows: – for transformers, there is no change in frequency .However, transformers (e.g. constant voltage transformers) may have an internal resonance frequency not exceeding 30 kHz; – for power supplies, the internal operational frequency and waveform are different from the supply frequency and waveform, and the internal operational frequency does not exceed 500 Hz (see definition 3.1.19); – for switch mode power supplies, the internal operational frequency and waveform are different from the supply frequency and waveform and the internal operational frequency exceeds 500 Hz and does not exceed 100 MHz. The relevant parts 2 may be found in the introduction of this standard. a) Stationary or portable, single-phase or poly-phase, air-cooled (natural or forced), isolating and safety isolating transformers, independent or associated, not forming a part of distribution networks and with the following characteristics: – rated supply voltage not exceeding 1 000 V a.c.; – rated supply frequency not exceeding 500 Hz; and complying with the following values, unless otherwise specified in the relevant part 2: • for isolating transformers: – rated output for single phase transformers, not exceeding 25 kVA, and for polyphase transformers not exceeding 40 kVA. – no-load output voltage and the rated output voltage exceeding 50 V a.c., and not exceeding 500 V a.c, or 1 000 V a.c. to be in accordance with the National Wiring Rules or for a special application. • for safety isolating transformers: – rated output for single phase transformers not exceeding 10 kVA, and for polyphase transformers not exceeding 16 kVA. – no-load output voltage and the rated output voltage not exceeding 50 V a.c. between conductors, or between any conductor and protective earth. NOTE 1 Isolating and safety isolating transformers are used where double or reinforced insulation between circuits is required by the installation rules or by the appliance specification (for example toys, bells, portable tools, handlamps)

ICS

29.180 Transzformátorok. Fojtótekercsek

Műszaki Bizottság

A szabvány nyelve

angol

Az érvényesség kezdete

2006-05-01

A visszavonás napja

2022-06-21

Forrás

idt IEC 61558-1:2005; idt EN 61558-1:2005/AC:2006; idt EN 61558-1:2005

Előd

MSZ EN 61558-1:2000, MSZ EN 61558-1:1997/A11:2003

Utód

MSZ EN IEC 61558-1:2020

Módosítás

MSZ EN 61558-1:2005/A1:2009

Kiegészítő információk

SZK-közlemények

2006/12: Helyesbítés

Kapcsolódó európai jogszabály

2006/95/EK; (LVD06); 2014/35/EU (LVD14)

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