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US90-15 C3-C3P Pushbutton

US90-15 C3-C3P Pushbutton

US90-15 C3-C3P Pushbutton

Product catalog summary
Overview: The document provides technical specifications and guidelines for the Dewhurst US90-15 Compact 3/3P Pushbutton, designed to meet the needs of the visually impaired with features like Braille and illuminated tactile legends.
Specifications: The pushbutton includes a 15mm high tactile legend with Braille, a halo of light for illumination, and is available in various colors. It is vandal-resistant with a stainless steel front and complies with multiple standards including EN81-1/2 and EN60529 (IP54).
Illumination and Finishes: The pushbuttons are available in brushed stainless steel with options for red or grey polycarbonate. They can be illuminated in a wide range of colors and have various pressel and surround finishes.
Technical Details: The pushbutton is made from high-grade polycarbonate with a brushed 304 stainless steel pressel plate. It operates with a button force of 3.5N and has a maximum rating of 10 amps. The contact arrangements include 2 N/O, 2 N/C, or 1 N/O + 1 N/C.
Cleaning Recommendations: The document advises using PH-neutral or slightly acidic cleaning products, avoiding abrasive agents, and not using solvents like ketones or ammonia-based cleaners. Recommended products include Windus - Brial Top and Mr. Proper Surfaces Delicates.
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Catalog excerpts

US90-15 C3-C3P Pushbutton-1

Dewhurst US90-15 Compact 3/3P Pushbutton The US90-15 Braille Pushbutton meets all the requirements of the visually impaired. As well as the 15mm high tactile legend, Standard English Braille dots are embossed onto the pushbutton. The illuminated tactile legend provides clear identification and the button can be illuminated in a wide variety of colours. The US90-15 is available with the standard Compact 3 body or Compact 3P, a useful option for surface mount fixtures. Features & Benefits 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 Large range of pressel legends Matching range includes keyswitches, rocker switches and indicators Also available with C2 body Vandal resistant with stainless steel front Meets EN81-1/2, EN81-71 (Category 2), EN81-72, EN81-73, EN60529 (IP54), AS1735 Part12 with H/C surround & dual illumination 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

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US90-15 C3-C3P Pushbutton-2

Illumination, Finishes & Marking * Standard pressels are a brushed stainless steel plate moulded with red or grey polycarbonate 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 15mm high, tactile, red or grey characters/symbols are formed during...

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US90-15 C3-C3P Pushbutton-3

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: C3 = 59.1mm w x 44.6mm h x 25.5mm d C3P = 59.1 mm w x 44.6mm h x 18mm 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: 6/12/24/110V a.c./d.c. ±15% (6V only available in red and yellow) Operation: Wiping action, slow make and break with solid silver contacts Ratings: 10 amps max 240V a.c. at 3.0 amps max. resistive...

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US90-15 C3-C3P Pushbutton-4

Cleaning your US90-15 Pushbutton Many Dewhurst lift products are made of polycarbonate (Using GE’s Lexan® or Bayer’s Makrolon®). The US90-15 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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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.