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SLO 731-1/K inside

SLO 731-1/K inside

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There is a Zumtobel Compact Ballast LXYG 40 D 75. Rare brand in Finland, I think.
Common thing is this Rifa made "smoke machine" capacitor, who is blow. Now it is disconnected.

731-a.JPG 731-b.JPG 731-c.JPG AT1.JPG

Light Information

Light Information

Manufacturer:SLO Oy
Model Reference:731-1/K
Lamp
Lamp Type:fluorescent T8, T12
Base:G13
Fixture
Ballast Type:magnetic, preheat
Location:my collection
Electrical
Wattage:40W (36W)
Voltage:220V
Current:0,42A
Physical/Production
Factory Location:Finland
Fabrication Date:~1974

File information

File information

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Filename:731-c.JPG
Album name:Make / Indoor lights in Finland
Keywords:Gear
File Size:653 KB
Date added:Jun 08, 2019
Dimensions:2464 x 1848 pixels
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Date Time:2019:06:04 18:27:56
DateTime Original:2019:06:04 18:27:56
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ISO:125
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Froggy05
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Jun 08, 2019 at 12:31 PM Author: Froggy05
Weird, because that haven't normal ballast of Helvar

Linear Sodium Don't care my errors in Writing and my bad English. EOL fluorescent

halofosfaatti
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Jun 08, 2019 at 12:36 PM Author: halofosfaatti
Ballast seems to be also sort of "smoke machine". It has 155 °C temperature rise at fault condition. Some ballasts have only 80 °C or lower temperature rise at fault.

Too many things are secret. Only open information can really preserve old technology.

I like fluorescent and other conventional lighting and old electronic equipment. Today's things are not made to last.

Make
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Jun 10, 2019 at 12:53 PM Author: Make
I check now, that some older Helvar ballast is marked 130/55/140 celsius.
halofosfaatti
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Jun 10, 2019 at 12:55 PM Author: halofosfaatti
Slightly better, but still runs very hot at fault.

Too many things are secret. Only open information can really preserve old technology.

I like fluorescent and other conventional lighting and old electronic equipment. Today's things are not made to last.

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