KS Power Amplifier Model "E41" - new main switch wanted (KS = Kücke und Schmitz)

[tiefbassuebertr]

KS Power Amplifier Model "E41" - new main switch wanted (KS = Kücke und Schmitz)

Here are images of the amplifier:
Front KS-E41 HSE (Hiller Audio Tuning) Nr. 1 | audio, front, hiller, hse, kse41, nr, tuning | hifi-forum.de Bildergalerie
KS-E41 Hiller Audio Tuning Nr. 1 | audio, hiller, kse41, nr, tuning | hifi-forum.de Bildergalerie
I want to know the brand of this switch as well as the series.
This switch isn't a usual used version due the additional inrush current limiter.
Thank you very much for advices.

 

[tiefbassuebertr]

This switch is a custom made version. Still available there:
Heinrich Klar
Schilder- und Etikettenfabrik GmbH & Co. KG
Neuer Weg 12-16
D-42111 Wuppertal

phone +49 202/27722-68
fax: +49 202/27722-69
E-Mail: andre.brocksieper ( at ) schilder-klar.de

 

[tiefbassuebertr]

images of the new switch in the unsoldered condition