Top quality main switches for audio-hifi comp (Rotary and Pushbutton Power Switches) - diyAudio
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Old 15th December 2009, 12:36 PM   #1
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Default Top quality main switches for audio-hifi comp (Rotary and Pushbutton Power Switches)

If I use AC power cables for main connection like this about
NBS OMEGA CABLE PRICING
I must use also absolutely high quality main power switches.
But this one are hard to find.
Here a little overview:

A. Rotary Switches

1) Saia-Burgess
Saia-Burgess P5-1N-209
Saia-Burgess | Relais, Schalter und Anzeigen | Schalter | Drehschalter | Frontplattenmontage, für 230*V*AC |P5-1N-209
Saia-Burgess TH508025000
Saia-Burgess | Relays, Switches and Indicators | Switches | Rotary Switches | Panel Mounting, Signal |TH508025000
2) Lorlin
Lorlin RMS1016
http://www.lorlin.co.uk/pdf/RMS.pdf
Lorlin | Relays, Switches and Indicators | Switches | Rotary Switches | Panel Mounting 230Vac Rated |RMS1016
3) Shallco
Shallco - Detented Power Switches 15 Amp
Shallco - Series 16 Rotary Switch 15 amp Single-Hole Mount
http://www.shallco.com/images/4holgrpb.jpg
http://www.shallco.com/images/16b.jpg
Shallco - Series 16 Rotary Switch 15 amp Single-Hole Mount
But I don't a delivery source
4) Various
Miscellaneous Rotary Switches


B. Pushbutton Power Switch

1) Panasonic ESB92S/D
Electromechanical Components - Power Switches
http://rocky.digikey.com/weblib/Pana...ESB-92S21B.jpg
http://rocky.digikey.com/weblib/Pana...ESB-92D21B.jpg
2) E Switch P227
power pushbutton switch | push button UL listed | multiple options | www.e-switch.com
http://rocky.digikey.com/weblib/E-Sw...s/P197SBEE.jpg
3) Toneluck (often to find in some harman models)
http://www.toneluck.com/pdf/pwl-2p.pdf
http://www.toneluck.com/pdf/pwl.pdf
4) Legion
Push Button switches | Lectronic ElectronicC Co., Ltd.
5) Apem IT 40 Series
Pushbutton Switches
http://www.apem.de/files/apem/brochu...ter_IT-DEU.pdf
6) ITT-Canon (C&K) NE18 ("NE 18")
C&K NE-18 Series Mains / Power Switches
NE-18, Pushbutton By C&K Components
7) Various (OEM)
Switchs mail order for Televisions etc, also tack switchs for computers etc.
http://www.pltv.org.uk/pictures/sw629.jpg

Of most models I don't know what is here to prefer and to avoid.

Thank you very much for your comments.

The decisive factor here will be the quality of contact material that need to process the voltage flash of inrush currents - especially by large main transformers - so I think.
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Old 4th February 2010, 05:23 PM   #2
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really no experiences with various main switches for audio components?
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Old 4th February 2010, 05:30 PM   #3
Magura is offline Magura  Denmark
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A plain 10A relay works better than any switch I know of, so why use a switch?


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Old 6th February 2010, 12:51 PM   #4
Dagen is offline Dagen  Norway
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Have a look at Honeywell AML34/36 Series Power-duty Rocker Switches.
Specified to 15A at 125VAC and 250VAC, and have silver contacts.
They are very expensive though.. I use them in my power amp.
pdf data here: http://sensing.honeywell.com/index.c...ment/1/re_id/0
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Old 8th February 2010, 03:35 PM   #5
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Quote:
Originally Posted by Magura View Post
A plain 10A relay works better than any switch I know of, so why use a switch?
Magura
For new projects the royal way. But to replace cheap and worse versions in existing audio components against that one of higher quality usually associated with too much trouble causes through various modifying.
Therefore I prefer there the kind of switches mentioned at post #1, but in "long life" and high quality versions.

Dagen: Honeywell AML34/36 is a good advice - thank you

Last edited by tiefbassuebertr; 8th February 2010 at 03:39 PM.
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Old 10th February 2010, 03:48 PM   #6
h_a is offline h_a  Europe
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Push-button switches of excellent quality are manufactured by EAO in switzerland. Their series 04 offers even aluminium front rings and buttons. Hard silver contacts for high reliability and high current rating. Nice parts that make the use of auxiliary power supplies to power relays completely unnecessary.

Contact EAO and ask for their nearest dealer as EAO is not available at the common distributors.

Have fun, Hannes
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Old 10th February 2010, 04:34 PM   #7
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Quote:
Originally Posted by h_a View Post
Push-button switches of excellent quality are manufactured by EAO in switzerland. Their series 04 offers even aluminium front rings and buttons. Hard silver contacts for high reliability and high current rating. Nice parts that make the use of auxiliary power supplies to power relays completely unnecessary.
Contact EAO and ask for their nearest dealer as EAO is not available at the common distributors. Have fun, Hannes
This is the brand, inside by old Naim Audio power amps like NAP160 and NAP250 (formerly LUMITAS as I know). Expensive, but I must never replace this switches by service - therefore one can assume very high reliability and life time.
Pushbuttons, push buttons, 8mm 16mm 22mm Push button switches, illuminated switches, LED pushbuttons
Thank you for this advice.
Attached Images
File Type: jpg Naim Audio1(NAP160) enlarge1.jpg (57.0 KB, 637 views)
File Type: jpg Naim Audio Nap160-2.jpg (29.3 KB, 617 views)

Last edited by tiefbassuebertr; 10th February 2010 at 04:37 PM.
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Old 10th February 2010, 05:09 PM   #8
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I have had very good luck using these.

Carling Tech: C100B Series

There are also push button types that fit in round holes.
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Old 10th February 2010, 05:38 PM   #9
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Quote:
Originally Posted by Steve Dunlap View Post
I have had very good luck using these.

Carling Tech: C100B Series
There are also push button types that fit in round holes.
...and also "hard to find" rotary switches
Carling Tech: Rotary Switches
http://www.carlingtech.com/pdf/CarlingSW_700_800.pdf
CARLINGSWITCH 700-1A
German distributor KUHN GmbH
Attached Images
File Type: jpg Rotary SW CARLINGS W700-1A.jpg (11.5 KB, 598 views)
File Type: jpg Rotary switch Carling.jpg (27.0 KB, 587 views)
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Old 10th February 2010, 05:48 PM   #10
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How about E-T-A circuit breakers:

http://www.e-t-a.com/uploads/prodb/D...p_e_230209.pdf
John Curl's Blowtorch preamplifier
Attached Images
File Type: jpg eta.jpg (23.1 KB, 591 views)
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