KBK update for Tuesday, 28th May

Following the unexpected discovery of an older schema of Micro Switch SD Series switches, it seemed worth giving Honeywell another try to see if they could locate any details on their old switches.

Details are scarce with the series having been discontinued nearly 20 years ago, but they were able to turn up a couple of drawings, one each for SW and SN Series, which has helped clarify a number of historical details. Most interestingly it shows that SW and SN appear to have been companion series from at least the period of 1995 to 1999, rather than SN having replaced SW. With luck, they may able to recover more documenation.

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