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BS EN 1640 should be used in conjunction with the standard applicable to dental instruments
Light conveyor belt predominantly used for the indoor transport of unit loads (for example: parcels
BS EN 50441-1 introduces the cables that are installed in ducts
HFDR and HFDU
Railway applications. Rolling stock. Electric equipment in trolley buses. Safety requirements and current collection systems Ingestion-build-103253 BS EN 1640 should be1 Scope This European Standard applies to electrical systems on board of vehicles of the type trolley bus, as defined in 3. 1, fed with a nominal line voltage (Un) between 600 V d. c. and 750 V d. c. This European Standard defines the requirements and constructional hints, especially to avoid electrical danger to the public and to staff. Where special requirements are existing for trolley buses, hints are given for mechanical and functional safety as