What is BS EN 61347-2-2 - Electronic step-down convertors for filament lamps about?
EN 61347 is a European Standard that discusses the requirements for Lamp control gear.
BS EN 61347-2-2 is the second part of the BS EN 61347 series that specifies particular safety requirements for electronic step-down convertors for use on d.c. supplies of up to 250 V or a.c. supplies of up to 1 000 V, at 50 Hz or 60 Hz and with rated output voltage ≤ 50 V r.m.s. at a frequency deviating from the supply frequency or <50√2V ripple-free d.c. between conductors and between any conductor and earth, associated with tungsten-halogen lamps as specified in IEC 60357 and other filament lamps.
Particular requirements for electronic step-down convertors with means of protection against overheating are given in Annex C.
Particular additional requirements for convertors providing safety extra-low voltage (hereinafter SELV). Performance requirements are covered by IEC 61047.
Plug-in converters, being part of the luminaire, are covered as built-in converters by the additional requirements of the luminaire standard.
Who is BS EN 61347-2-2 - Electronic step-down convertors for filament lamps for?
BS EN 61347-2-2 on electronic step-down convertors for filament lamps useful for:
- The electrical industry
- Lamp control gear manufacturers
- Filament lamps manufacturers and suppliers
- The electronics industry
- The electro-mechanical industry
Why should you use BS EN 61347-2-2 - Electronic step-down convertors for filament lamps?
BS EN 61347-2-2 provides guidance on classification and protection against accidental contact with live parts and provisions for protective earthing construction of electronic step-down convertors for filament lamps.
BS EN 61347-2-2 must be used in conjunction with BS EN 61347-1 Lamp controlgear. General and safety requirements.
The formatting into separately published parts provides for ease of future amendments and revisions.
BS EN 61347-2-2 provides essential safety and performance requirements necessary for safe operation, correct operation, and product compatibility
