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Alerted in a flash

first_imgpassengers can be warned of the imminent closure of automatic coach doors on Zürich’s S-Bahn thanks to warning flashers developed by Bron Elektronik AG. A flash energy of 8 J at 1 Hz was found to achieve the desired effect of getting passengers to keep clear of the doors, whilst not being unpleasant.Warning flashers are mounted both outside the vehicle, indicating through an amber lens, and inside on the boarding platform. Should a door jam while closing, the outside indicator continues to flash to alert staff to the problem.Service life of the flasher has been matched to the coach overhaul interval, requiring maintenance-free operation for a six-year period. If a failure does occur, the unit can be exchanged easily by undoing quick-release fasteners and plug connectors. Bron Elektronik AGAllschwil, SwitzerlandReader Enquiry Number 143last_img

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