Editing Clare-Pendar Series S830

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{{infobox dswitch
| image name        = Clare-Pendar S830 desoldered.jpg
| manufacturer      = [[Clare-Pendar]]
| contact mechanism = [[Reed]]
| switch type       = Linear
| switch mount      = [[Fixing screw]]
}}

'''Clare-Pendar S830''' is a series of tall, cylindrical-body [[reed switch]]es made by [[Clare-Pendar]].

==Description==
No written details of S830 are currently known to have survived. Switches found to date—including those sold by STRONIC in France—have an open-top cylindrical slider, into which adapters are fitted to provide a [[keycap mount]] of the customer's choice. There is a suggestion in the wording of the E9 modification that some switches were used without an adapter but the specifics of this are not clear.

The switches are [[fixing screw|screw mount]], affixing to the PCB with a bolt. The switches found so far have Clare-Pendar moulded into the shell.

==Known modifications==
The following modification codes have been found. It is not clear whether they all apply directly to S830 series part numbers, as the S830 catalogue page itself is lost.

{| class="wikitable"
! Mod. !! Description
|-
| B6 || S830 adapter accepts octagon base keytop (.448&Prime; across flats)
|-
| B7 || S830 adapter accepts rectangular base keytop (.448&Prime; × .70&Prime;).
|-
| B8 || S830 adapter accepts "spade type" slotted base keytop (.052&Prime; × .192&Prime;).
|-
| B9 || S830 adapter accepts all C-P cross (+) type slotted keytops.
|-
| E9 || 11° angle plunger on S820, S830, S840, S860 or S830 11° angle adapter. 
|-
| F5 || Nylon hex nut for stud mounting of S830.
|-
| F6 || S830 without mounting stud. 
|}

==Other devices==
S830 series has yet to be found in a keyboard. It has however been sighted in the following equipment:

*Monroe 1880 programmable advanced scientific calculator (unconfirmed), ca. 1972<ref name="Monroe" />

==Specifications==
*[[:File:Pendar-G168-assy-data-sheets-2011-0126.pdf|Pendar-G168-assy-data-sheets-2011-0126.pdf]] — PDF page 5 lists modification codes

==References==
<references>
<ref name="Monroe">Deskthority — [https://deskthority.net/photos-f62/desktop-calculator-keyboard-with-clare-pendar-s830-switches-t13013.html Desktop Calculator Keyboard with Clare Pendar S830 Switches]</ref>
</references>

[[Category:Clare-Pendar switches]]
[[Category:Reed switches]]
[[Category:List of all keyboard switches]]