Marquardt 5000 series push buttons won´t be scared of dust and water

Why is it worth to use a push-button with a declared resistance to dust and water even in a common environment?

This is an archive article published 01/30/2014. Some information may no longer be up to date and in line with the current state. Please contact us in case of interest.

In case, that a device is used outdoor, it is usually a necessity. But how is it in the case, that a device will be operated indoor in a relatively “good” environment? Here it depends mainly on a designer´s choice, whether he´ll use a component with a higher protection class or not. Despite the fact, that to use a push button with a higher IP class usually means somewhat higher price, but it provides one big advantage - reliability.
We know, that even in an indoor environment, especially in a production halls or stocks it´s very often a higher dustiness and a remarkably fluctuating humidity. These are naturally conditions, which don´t flourish to contacts, thus a button or a switch with a higher protection class can mean a significant increasing of reliability.

In the nowadays „microprocessor“ age, it´s very often, that the control buttons switch only a minimal current. As a result, this small current isn´t able to act as self-cleaning for contacts and the switches fail prematurely. Even in these cases, it´s beneficial, when a push button is more resistant to dust and water.

Marquardt 5000.0501 is a literally universal push button, because it features an IP54 protection class from both sides. It´s able to switch 4(2)A/250V AC and a plus is also a high mechanical lifetime - up to 200.000 cycles. Relatively higher driving force and a sufficiently long travel (4mm) acts also as a protection against accidental operation.
In case of interest in any Marquardt switch, please contact us at info@soselectronic.com.

Marquardt 5000 series push buttons won´t be scared of dust and water

Features:

  • single-pole push button (SPNO, momentary)
  • IP54 protection class
  • IEC 4 (2)A/ 250V AC/ 20E4
  • contacts distance > 3mm
  • fiber-glass reinforced PA, UL94-V2 flammability
  • 4.0 mm travel
  • silver plated terminals 2.8x0.8 mm

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