Dewhurst US89 Compact 2 Pushbutton The timeless design of the US89 Pushbutton has proven to be very successful over the years. The obround shape is a refreshing alternative to the more common round or square shape. The illuminated tactile legend provides clear identification and the button can be illuminated in a wide variety of colours. The US89 is available with the standard Compact 2 body or Compact 3, a useful option for surface mount fixtures. Features & Benefits 13mm 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, EN81-71 (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 - Dimensions in mm

Illumination, Finishes & Marking Wide range of colours for illumination including (non), red, yellow, green, blue and white Range of pressel finishes including brushed stainless steel, mirror stainless steel, brushed brass and mirror brass* Range of surround finishes and heights - chrome, brass, black - 3.2 and 4.8mm Single, dual and bicolour illumination A large range of legends in Helvetica Medium characters & symbols are available Tactile legends are formed during the moulding of the pressel body and are in red or grey 13mm high characters. * Standard pressels are a brushed stainless steel...

Technical Details Weight: 70grms Moulded in: High grade polycarbonate Pressel plate material: Brushed 304 stainless steel (standard) 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: 13mm 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:...

Cleaning your US89 Pushbutton Many Dewhurst lift products are made of polycarbonate (Using GE’s Lexan® or Bayer’s Makrolon®). The US89 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 warm...