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Switch collection RFT TSS 17,5 momentary

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Manufacturer Rundfunk- und Fernmelde-Technik
Series TSS
Behaviour Linear
Signalling type Reed
Switch mount PCB
Keycap mount Proprietary
In production No
Work done No
My page /KBK/RFT/TSS.php
Last audited 2019-05-12


Acquired 11
Given away 0
Sold 0
Remaining 11
Of which broken 1


I’ve already lost the spring from one of them!

Terminal positions 1 and 2 (across the centre, almost) are for the lamp, and 3 and 4 in the corner are the pole 1 reed unit. They would be capable of DPST operation if fitted with a second reed, and a modified base with the additional terminal holes on the opposite side from 3 and 4.

Travel is 4.5 mm. Force is hard to measure, as head-to-head press tests are ruined by how juddery they are, even though they feel smooth. They seem to be heavier than MX Black, and possibly lighter than MX Linear Grey.


Source Consignment Quantity Line Notes
Deskthority::10ko Consignment the 111th 6 (used)
Elektro - Elektronik - Kommunikation Consignment the 168th 4 (NOS)
Elektro - Elektronik - Kommunikation Consignment the 168th 1 (used)