Pleasant actuation characteristics and reliable features of a push button switch Marquardt series 1840 make it attractive for all applications where you require control by a push.
This is an archive article published 04/24/2015. Some information may no longer be up to date and in line with the current state. Please contact us in case of interest.
Classic push-button switches are favorite for many decades, maybe also because they´re well known already from the beginnings of electronics. Probably, a nostalgia is not the only reason making them popular, but mainly an easy control, when even an unacquainted person knows, that it´s something “what has to be pushed” to change a status of an electric device.
Exactly a term “to change a status” is important, because at these switches it´s not possible (or not easily visible), whether it´s switched on or off. Though it´s true, that the majority of such switches is a little bit pushed down (lowered) in a switched on status, but the difference is often small. That´s why these switches are not suitable for applications, where from safety reasons it´s necessary to know tha status of the switch before connecting to a mains line.
Marquardt 1840 series switches are available as single-pole switches - 1841 (momentary, SPST), two-pole switches - 1842 and single-pole changeover switches - 1843 (SPDT). Directly from our stock we offer you momentary switches ) 1841.1201 (SPNO) and 1841.1301 (SPNC).
Series 1840 (SPNC) belongs to a top in this segment and offers a really pleasant control and a quality switching system with a mechanical endurance of min. 100 000 cycles. 6A/ 250V is far sufficient for many applications and assembly is simple - by means of an M12 nut supplied. An interesting supplement is also a neoprene cap integrated with an M12 nut, enabling to gain a considerable resistance to water and dust. Also available are 2-pole versions - 1842 and also versions functioning as a push-button (momentary).
There are 2 nuts supplied. One is “regular” - hexagonal and the other one is a round type intended to be used as a top cover on a front panel. Further detailed information will provide you the Marquardt 1840 datasheet.
In case of interest in any Marquardt switch, please contact us at email@example.com.
Advantages/ Features of 1840 series:
classic favorite shape
well-proven construction, reliable switching system
excellent lifetime min. 100 000 cycles
pleasant actuation characteristics
possibility to add a neoprene cover against dust and water
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Date of publishing 04/24/2015. When you issue article on your website, please give its source: https://www.soselectronic.com/articles/marquardt/marquardt-1841-above-standard-classics-1699
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