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Advance SI-240-S-TP Magnetic Slimline Ballast for 4 foot lamps

Advance SI-240-S-TP Magnetic Slimline Ballast for 4 foot lamps

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This was also from eBay. It is a lead-lag ballast so I must be careful to notice EOL on the lag side (Blue wire).

IMG_5293.JPG IMG_5292.JPG IMG_5291.JPG IMG_5290.JPG

Light Information

Light Information

Manufacturer:Advance
Model Reference:SI-240-S-TP
Lamp
Lamp Type:F48/F42/F36/F24T12 Slimline
Filament/Radiator Type:Instant Start
Base:FA8
Shape/Finish:T12
Fixture
Fixture Type:Fluorescent
Ballast Type:Magnetic
Socket Type:FA8
Electrical
Voltage:120 Volts
Current:1 Amp

File information

File information

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Filename:IMG_5291.JPG
Album name:Fluorescent05 / Fluorescent Ballasts
Keywords:Gear
File Size:418 KB
Date added:Jun 28, 2018
Dimensions:1600 x 1200 pixels
Displayed:201 times
Date Time:2018:06:28 17:42:45
DateTime Original:2018:06:28 17:42:45
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Exposure Time:1/25 sec
FNumber:f 3.5
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Focal length:4.5 mm
ISO:800
Make:Canon
Model:Canon PowerShot SX260 HS
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streetlight98
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Mike McCann


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Jun 28, 2018 at 05:04 PM Author: streetlight98
Wow big ballast for a 4ft!

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

F96T12 DD VHO
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Jun 28, 2018 at 05:06 PM Author: F96T12 DD VHO
Is it heavy? Because normally magnetic ballasts are packed heavy

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streetlight98
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Mike McCann


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Jun 28, 2018 at 05:22 PM Author: streetlight98
Sure it's heavy. It's full of copper wire coiled around a solid steel block and the empty space is filled in with tar. Makes for a solid block!

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

Fluorescent05
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Zack


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Jun 28, 2018 at 07:26 PM Author: Fluorescent05
It's MUCH heavier than a 2x40 RS ballast probably because it's instant start and must step the voltage up higher to instant start the tubes, therefore requiring more wire in the coils. Just a guess though. This beast came in on the scale at 11 POUNDS!

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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Robert


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Jun 29, 2018 at 08:30 AM Author: rjluna2
There should be a date stamp at the bottom of the ballast.

Pretty, please no more Chinese failure.

Fluorescent05
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Zack


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Jun 29, 2018 at 04:00 PM Author: Fluorescent05
The stamp under the ballast says:
038045G
197

Is the date January 1997?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

fluorescent lover 40
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Lights are awesome! :)


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Jun 29, 2018 at 04:03 PM Author: fluorescent lover 40
Correct!

Power provider: Southern California Edison (SCE)

-Date decoder of some US lamps 1960-present.
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-I'll save what I can! Smiley

Fluorescent05
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Zack


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Jul 14, 2018 at 07:52 PM Author: Fluorescent05
This ballast is rated for F24T12 slimlines, so would it be ok to test it using F20T12 lamps?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

streetlight98
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Mike McCann


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Jul 14, 2018 at 08:17 PM Author: streetlight98
Probably but why not just get the right lamps if you want to use it? It's a magnetic ballast so unless it's leaking tar or has a charred label you can be 99.99% certain it works, so a test really isn't even necessary. Electronic on the other hand can be a coin toss.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

Fluorescent05
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Zack


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Jul 14, 2018 at 08:46 PM Author: Fluorescent05
I got the lamps working on the ballast. Why does the ballast make a thump sound at startup?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

streetlight98
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Mike McCann


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Jul 14, 2018 at 08:54 PM Author: streetlight98
The thump is normal. Honestly not sure why they do that. Not all do, but its normal to hear it.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

Fluorescent05
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Jul 14, 2018 at 08:56 PM Author: Fluorescent05
Good, I wasn't sure if it was defective because of the thump.

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

Fluorescent05
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Zack


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Aug 14, 2018 at 07:54 AM Author: Fluorescent05
Would this run 2 50 watt mercury vapor lamps, one on the red wire and one on the blue wire?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

xmaslightguy
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^homebuilt fixture


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Aug 14, 2018 at 07:23 PM Author: xmaslightguy
@Fluorescent05:
430ma lamp current is not enough to properly run a 50w MV
Plus there's that risk Alights mentioned because of the high OCV.

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

Fluorescent05
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Zack


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Aug 14, 2018 at 08:33 PM Author: Fluorescent05
What about if you're careful not to have any hot restrikes? Would it work then?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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Aug 14, 2018 at 10:08 PM Author: xmaslightguy
@Fluorescent05:
For short testing you could probably avoid hot restrikes..
But if you were to actually setup one of these ballasts to be running the pair of MV, you'd want something that would shut it down (and keep it off til either you manually re-set it, or the lamps had cooled off enough where they'd strike normally)

It would still under-drive the MV's .. I don't know if under-driving a MV lamp will harm it or not, so that I will leave to the guys here who know more about it.
I think your best bet is truly to get an actual MV ballast though (or possibly as a second option a MH ballast & remove the igniter).

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

Fluorescent05
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Zack


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Aug 15, 2018 at 06:03 AM Author: Fluorescent05
@xmaslightguy, where did you get your 50 watt MV ballast?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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GoL ATL
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Aug 15, 2018 at 05:57 PM Author: xmaslightguy
@Fluorescent05:
Got it on eBay.

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

streetlight98
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Mike McCann


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Aug 16, 2018 at 04:06 AM Author: streetlight98
Mv lamps are pretty tolerable with over or under driving though for other than testing you should at least try to find something that drives the lamp properly to prolong it's life. Especially a 50w merc.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

Fluorescent05
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Mar 03, 2019 at 07:29 PM Author: Fluorescent05
Would this ballast run fine (without damaging it) if I ran one lamp on it with the other lead capped off? (Being put into routine use)

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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USA (120V 60HZ)


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Mar 04, 2019 at 12:03 AM Author: Alights
Something I would suggest is you check the power factor on a kill-a-watt meter to make sure its 0.8 or greater or there's a risk of overheating the ballast since it's designed to run 2 lamps and a missing or rectifying lamp is just as bad
Though I could be wrong since this is a lead lag not the typical series slimline ballast, which would be short length
Fluorescent05
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Mar 04, 2019 at 05:44 AM Author: Fluorescent05

Something I would suggest is you check the power factor on a kill-a-watt meter to make sure its 0.8 or greater or there's a risk of overheating the ballast since it's designed to run 2 lamps and a missing or rectifying lamp is just as bad
Though I could be wrong since this is a lead lag not the typical series slimline ballast, which would be short length

How do I check the power factor? I don't have a kill a watt. This seems to work fine while running one lamp, I just don't know if it hurts the ballast at all.

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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