Dewhurst M-20 RSB Pushbutton The M-20 RSB pushbutton with Braille has been designed as a flexible, all purpose lift pushbutton, ideal for apartment buildings, offices, hotels and many other lift applications. The button has a very low profile and requires no studs to fix to the faceplate. It also has a wide range of illumination options, with both the legend and halo able to be illuminated separately. 15mm tactile legend with Braille 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 Front fixing, no studs required Large range of pressel legends Matching range includes keyswitches, rocker switches and indicators Vandal resistant with stainless steel front Meets EN81-1/2, EN81-70, 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

Illumination, Finishes & Marking       Wide range of colours for illumination including (non), red, yellow, green, blue and white (see table below) 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 - 2.5 and 6.5mm Two-colour illumination A large range of legends in Helvetica Medium characters & symbols are available 15mm high opal tactile characters/symbols with Braille are formed during the moulding of the pressel body * Standard pressels are a brushed stainless...

Technical Details Weight: 37grms Moulded in: High grade polycarbonate (flame retardant) Pressel plate material: Brushed 304 stainless steel (standard) Pressel plate area: 707mm² Button force: 3.5N Pushbutton size: 40.0mm w x 44.0mm h x 32.0mm d Pressel size: Ø30.0 x 2.5mm deep Legend size: 15mm high, Helvetica medium characters LED current: 20mA (typically) per legend & halo LED voltage: 6V (only available in red and yellow), 12V or 24V Operation: Operation of the spring return pressel makes contact with the microswitch Electrical rating of cherry microswitch: 125V a.c. at 3.0 amps max - 30V...

Cleaning your M-20 RSB Pushbutton Many Dewhurst lift products are made of polycarbonate (Using GE’s Lexan® or Bayer’s Makrolon®). The M-20 RSB is highly durable and vandal resistant but 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...