FIELD: electrical engineering.
SUBSTANCE: invention relates to electrical engineering, namely to lighting engineering – power sources of LED lighting devices used for lighting, and is intended for use as part of a lighting fixture in buildings and structures of subway and railway infrastructure. Power source comprises a housing base with holes and slots, flanges with locks for fixing them with the housing base and the printed assembly and tight fit to the housing base, printed circuit board with holes, cables fixed by means of bushings in holes in flanges and ties on printed circuit board, as well as retainers in holes on flanges.
EFFECT: high resistance of the power supply to external mechanical factors, efficiency of the assembly process and operation of the power supply in the most severe conditions.
8 cl, 15 dwg
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