Dewhurst US90-EN Compact 2 Pushbutton The US90-EN Pushbutton is a classic square button designed to meet the requirements of EN81-70. The black background to the pressel provides a clear contrast to the tactile legend and also to the faceplate as required by EN81-70. On call acceptance the legend itself illuminates brightly and you have the choice of many colour options. The US90-EN is available with the standard Compact 2 body or Compact 3, a useful option for surface mount fixtures. 15mm high tactile legend A halo of light between the pressel and surround via a patented hidden recess encircles the pressel and illuminates the legend Legend & halo can be constantly illuminated at half intensity, switching to full intensity for indication of position or call acceptance Large range of pressel legends Matching range includes keyswitches, rocker switches and indicators Also available with C3 body Vandal resistant with stainless steel front Meets EN81-1/2, EN81-70, EN81-71 (Category 2), EN81-72, EN81-73, EN60529 (IP54) Dewhurst UK Manufacturing Ltd - Unit 9, Hampton Business Park - Feltham - TW13 6DB - UK Tel: +44 (0)20 8744 8200 - Fax: +44 (0)20 8744 8299 - Email: [email protected] - www.dewhurst.co.uk This information is for guidance only and does not form the basis for contract - Dimensi
Open the catalog to page 1Illumination, Finishes & Marking Wide range of colours for illumination including (non), red, yellow, green, blue and white Black pressel finish with extended green button for main exit floor, or yellow finish for alarm button* Range of surround finishes and heights - chrome, brass, black - 3.0 and 7.10mm Single, dual and bicolour illumination A large range of legends in Helvetica Medium characters & symbols are available 15mm high opal tactile legends are formed during the moulding of the pressel body * Standard pressels are a black plate moulded with opal polycarbonate 15mm high...
Open the catalog to page 2Technical Details Weight: 70grms Moulded in: High grade polycarbonate Pressel plate material: Anodised aluminium (black, green, yellow) Pressel plate area: 620mm² Button force: 3.5N Pushbutton size: 59.1mm w x 44.6mm h x 32.0mm d Pressel size: 24.2mm w x 24.2mm h x 3.2mm d Legend size: 15mm high, Helvetica medium characters LED current: 20mA (typically) LED voltage: 12/24/30/48/110V a.c./d.c. ±15% Bulb wattage: 3 max Bulb voltage: 12/24/110V Operation: Wiping action, slow make and break with solid silver contacts Ratings: 10 amps max 240V a.c. at 3.0 amps max. resistive loads - min. no. of operations:...
Open the catalog to page 3Cleaning your US90-EN Pushbutton Many Dewhurst lift products are made of polycarbonate (Using GE’s Lexan® or Bayer’s Makrolon®). The US90-EN is highly durable and vandal resistant but the plastic parts can be damaged by aggressive cleaning agents, Dewhurst therefore recommends: Clean the part with a cotton cloth and warm water before applying the cleaning product Use PH-neutral or slightly acid cleaning products only (including aromatised ones) Ethylic alcohol, isopropyl alcohol or ethylene glycol based multipurpose cleaning products and dish soaps are suggested. Dilute the cleaning product in...
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