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Microswithces Series 16.26&18

Microswithces Series 16.26&18

Microswithces Series 16.26&18

Product catalog summary
Overview: The document provides technical specifications and features of ITW Switches' microswitch series 16, 26, and 18. These microswitches are designed for various applications, including process control, aerospace, telecommunications, military systems, and more.
Series 16 & 26 Features:
  • Form Z contacts for comprehensive switching requirements.
  • Snap action mechanism for positive switching.
  • Solder terminals for superior electrical contact.
  • Available in gold and silver contacts.
  • Customizable actuators to fit diverse applications.
Series 16 & 26 Technical Information:
  • Electrical: Max current for silver contacts is 10A at 250 VAC for series 16 and 8A for series 26. Minimum current is 10mA at 5 VDC.
  • Mechanical: Operating force is 2.2N for series 16 and 4.5N for series 26. Life expectancy is 100,000 cycles at 20°C.
  • Environmental: Temperature range from -55°C to +135°C, with ingress protection equivalent to IP40.
Series 18 Features:
  • Smallest microswitch with a single pole and self-cleaning butterfly mechanism.
  • Gold plated contacts and terminals for all applications.
  • Diaphyll phalate body for a wide temperature range.
  • Various actuators available for application assistance.
Series 18 Technical Information:
  • Electrical: Max current is 8A at 250 VAC for model 18-488051 and 2A for model 18-40421.
  • Mechanical: Operating force is 2.2N, with a life expectancy of 107 cycles.
  • Environmental: Temperature rating from -55°C to +180°C, with ingress protection IP40.
Ordering Information:
  • Series 16 & 26: Various part numbers are available with different contact types and terminal configurations.
  • Series 18: Part numbers include 18-40421 and 18-488051, with options for standard leaf and roller levers.
Applications: These microswitches are suitable for use in process control limit switching, aerospace, telecommunications, military control systems, elevator systems, and missile systems.
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Catalog excerpts

Microswithces Series 16.26&18-1

? Form Z contacts to cover allswitching requirements ? Form Z contact ֖ covers allswitching requirements ? Snap action for positiveswitching ? Snap action ֖ uses highintegrity butterfly action ? Solder terminals for superiorelectrical contact ? Solder terminals ֖ for superiorelectrical contact ? Choice of contacts gold andsilver ? Gold plated contacts andterminals ֖ for all applications ? Choice of actuators to fitmany applications ? Diaphyll phalate body֖ wide temperature range ? Various actuators available to assist in application ? PCB and solder/fastonterminals ? Other contact forms X, Y & C ? PCB terminals ? Custom brackets and levers ? Custom brackets and actuators ? Special operating forces >

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Microswithces Series 16.26&18-2

The series 16 is a popular microswitch offering the unique self cleaning butterfly action. Thecentrally positioned actuating button offers the ability to mount easily into a pushbutton switch, something that ITW Switches has taken advantage of by incorporating the microswitch in our series 76-94 and flexibutton. The series comes with gold or silver contacts and solder terminals as standard. PCB, solder/faston terminals, choice of contact forms and custom brackets and actuators are available as non-standard options. A two pole version is available in the form of the series 26. Switches also have...

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Microswithces Series 16.26&18-3

Part NumberDescription 16-404410A, silver contacts, solder terminals through the bottomof the case16-404415A, gold contacts, solder terminals through the bottom ofthe case16-48805110A, gold contacts, MIL-SPEC approved, solder terminalsthrough the bottom of the case16-10410A, silver contacts, solder terminals through the side ofthe case16-30410A, silver contacts, solder terminals through the front ofthe case26-8042 pole, 8A, silver contacts, solder terminals through theside of the case26-9042 pole, 8A, silver contacts, solder terminals through thefront of the case Part NumberActuators 76-1210/*Standard...

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Microswithces Series 16.26&18-4

Contact Loading All dimensions in MillimetresAll dimensions in Millimetres PCB Pin Layout(viewed from either side) 5,466,995,46ָ1,2 x 4 Circuit Form NCNC NCNC NONO NOFORM ZNO NCNC NOFORM ZNO > Series 16Series 26 Application references forboth Series 16 & 18 Process control limit switchingՕ Aerospace applications TelecommunicationsՕ Military control systems Elevator systemsՕ Missile systems size="-2">

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Microswithces Series 16.26&18-5

The series 18 is ITW Switches֒ smallest microswitch. It is a single pole with a self cleaningbutterflyђ mechanism. This gives a high performance switch in terms of life and load ability, switching from logic loads to 8A max. The series comes in gold double break, snap action contacts with gold solder terminals as standard. PCB terminals and custom brackets and actuators are available as non-standard options. The terminals are inserts moulded into the base, this coupled with the lid being bonded to the base gives a totally sealed switch up to the button opening. Its small size, high performance...

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Microswithces Series 16.26&18-6

Part NumberDescription 18֖404212A, gold contacts, solder terminals through the bottom ofthe case18-4880518A, gold contact, MIL-SPEC approved, solder terminalsthrough the bottom of the case Part NumberActuators 78-3000/*Standard leaf lever78-3100/*Standard roller leverSubstitute * for switch part number to be fitted,e.g. 78-3000 fitted to 18-40421 = 78-3000/40421.These are the standard parts for this series. If you should require a non-standard optionplease contact the Sales Office. > For further information on our complete range of switch products, please contact the SalesOffice. ITW Switches,...

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