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Osisense XC - Reliability data of the XCLJ767H29 limit switch like B10D

Published date: 26 November 2018

The reliability data of the XCLJ red limit switch series, are the following :
- B10 = 25 millions operating cycles,
- B10D = 125 millions operating cycles for the NC contact and head positive.
XCLJ767H29 limit switch has a positive roller plunger head and a positive slow break contact,
- DC = 0 (diagnostic coverage) of the switch alone,
- mission time = 20 years.
In the ISO 13849-1 standard, MTTFD is calculated by using the B10D value (formula). They are used for the functional safety, according to the ISO 13849-1 standard (Performance Level). Please note that a flexible operator head (example cat'whisker) cannot be used in a safety function (head not positive).

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