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sealed pushbutton Range Series 49-59

sealed pushbutton Range Series 49-59
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sealed pushbutton Range Series 49-59

Product catalog summary
Features
  • Fully sealed to IP67 with LED status illumination.
  • Available in a 10A version, panel sealed to IP67.
  • Operates in a wide temperature range up to +105°C.
  • Fits standard ø16mm panel cut out.
  • Constructed from flame retardant UL rated material.
Non-Standard Options
  • Custom colors and terminations.
  • Gold contacts available on microswitch version.
  • Snap-in versions for both flying lead and microswitch variants.
Technical Information

The Series 49-59 by ITW Switches is a range of momentary action pushbutton switches designed for a ø16mm panel cut out. It includes a fully sealed IP67 version with insulated flying leads and a panel sealed IP67 version with a series 16 microswitch. The microswitch supports a maximum current rating of 10A and features SPDT-DB contacts for reliable DC load switching.

Electrical Specifications
  • Dielectric strength: 1000V a.c. for 1 min.
  • Insulation resistance: 1GΩ @ 500V d.c.
  • Contact resistance: 150mΩ max initial (FL), 25mΩ max initial (MS).
  • Current ratings vary by configuration, with a maximum of 10A @ 250V a.c. for the microswitch version.
  • LED specifications include a typical forward voltage of 2.2V and a forward current of 20mA.
Environmental & Physical Specifications
  • Ingress protection: IP67.
  • Vibration standard: DEF STD 07-55.
  • Operating temperature range: -55°C to +105°C (non-illuminated), -35°C to +85°C (illuminated).
  • Body and button material: PBT.
  • Contacts: Gold plated palladium nickel (FL), Silver (MS).
Mechanical Specifications
  • Nominal travel: 2.3mm.
  • Minimum life: 1,000,000 cycles.
  • Operating force: 3N (FL), 3.8 – 5.5N (MS).
  • Panel thickness: 8mm max (FL), 2.5mm max (MS without washer), 1.5mm max (MS with washer).
Ordering Information

Options include round or square bezels, various button colors, and LED colors for illuminated versions. The switches are mounted using an M16 nut and a sealing washer to ensure proper sealing.

Applications
  • Suitable for communications, instrumentation, data processing, military environments, environmentally demanding keypads, mass transport controls, and dry circuit switching.

For more information, visit the ITW Switches website or contact their sales office.

See more

Catalog excerpts

sealed pushbutton Range Series 49-59-1

FEATURES ? Fully sealed version to IP67 ? LED status illumination (FL) ? 10A version panel sealedto IP67 ? Wide temperature range:Up to +105ְC ? Industrial standard 16mmpanel cut out ? Flame retardant UL ratedmaterial ? Custom colours NON-STANDARD OPTIONS ? Choice of terminations ? Gold contacts on microswitchversion ? Snap-in version of both flyinglead and microswitch variants >

 Open the catalog to page 1
sealed pushbutton Range Series 49-59-2

ITW Switches 49-59 Series is a range of momentary action pushbutton switches which fit aҸ16mm panel cut out. The range consists of a fully sealed IP67 version with insulated flying leads (500mm length) along with a panel sealed IP67 version which is terminated by a series 16 microswitch.Held in position by a snap fit retaining mechanism, the microswitch has a maximum currentrating of 10A and the advantage of SPDT-DB contacts to cover all circuit requirements. Being double break, the contacts also provide reliable switching of DC loads.The Series is available with a choice of round, round with...

 Open the catalog to page 2
sealed pushbutton Range Series 49-59-3

49-59 Round bezel 1 Square bezel 2 Round bezel ֖ Illuminated 3 > 500mm leads 1 16-439088 (Non-illuminated only) 2 > Black 1 Red 2 Green 3 White 4 Yellow 5 Blue 6 > (Illuminated version only available with Black, Red& Green as standard. Non-standard colours subject to MOQs) Red R Green G > (This digit is only required for illuminatedswitches) The Series 49-59 fits neatly into a Ҹ16mm cut out panel no more than 8mm thick for the flying lead version and no more than 1,5mm thick for the microswitch version (with sealing washer). The switch body is fitted from the front of the panel and is locked...

 Open the catalog to page 3
sealed pushbutton Range Series 49-59-4

Circuit for microswitch versionCircuit for flying lead version > ? Communications? Instrumentation? Data processing? Military environments? Environmentally demanding keypads? Mass transport controls? Dry circuit switching > For further information on our complete range of switch products, visit our website www.itwswitchcon.com or contact our Sales Office. ITW Switches, Division of ITW Limited, Norway Road, Hilsea, Portsmouth PO3 5HT, UK Tel: +44 (0)2392 694971 Fax: +44 (0)2392 666352 Website: www.itwswitchcon.com > Due to our policy of continuous product development, ITW Switches retain the right...

 Open the catalog to page 4

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