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Universal Mercury Ballast Kit for 2 (!!) 400w MV lamps

Universal Mercury Ballast Kit for 2 (!!) 400w MV lamps

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I stumbled upon this a few months ago during a late night eBay browsing session, and I just couldn't resist. I've been fascinated by these for a long time, and this is the first time I've actually seen one for sale at a reasonable price ($30 w/free shipping). Too bad its not 120v, but for the price I can't complain.

I'm pretty sure I've seen pictures of highbay fixtures that use these, but I've never seen one on LG. Does anybody have one?

20540007.JPG 03270015.JPG 035_35A_(2).JPG 031_31A_(2).JPG

Light Information

Light Information

Manufacturer:Universal Manufacturing Corp.
Model Reference:2030-17
Lamp
Lamp Type:2x400w MV
Electrical
Voltage:277v
Current:3.25a

File information

File information

Download: Download this File
Filename:035_35A_(2).JPG
Album name:RichD / Ballasts and Other Gear
Keywords:Gear
File Size:1251 KB
Date added:Jul 01, 2011
Dimensions:1848 x 1177 pixels
Displayed:208 times
Date Time:2011:06:28 20:39:12
URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-56035
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DieselNut
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jonathon.graves johng917 GeorgiaJohn
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Jul 07, 2011 at 01:07 PM Author: DieselNut
Interesting! Do both lamps share the one capacitor? You should be able to run it on 240v at only slightly (probably not noticeable) reduced output.

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

RichD
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Jul 07, 2011 at 03:23 PM Author: RichD
@John, yes both lamps share the one capacitor. Unfortunately, there's no 240v service in my condo. The stove and the dryer use natural gas.
don93s
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Jul 07, 2011 at 07:04 PM Author: don93s
I've seen these listed on online ballast catalogs but never an actual ballast. Cool.
DieselNut
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jonathon.graves johng917 GeorgiaJohn
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Jul 07, 2011 at 09:53 PM Author: DieselNut
@RichD, I have never looked in a condo unit, but I would assume your air conditioner unit is 240V. I live in a rural area and have all propane (stove, clothes dryer, water heater, furnace), but my air conditioner compressor and well pump are both 240v. Even if you have no 240v appliances, you should have 240v coming into your main panel.

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

sol
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Jul 07, 2011 at 10:07 PM Author: sol
I knew these existed as I have the wiring diagram for such a ballast. It came with the instructions to a 175 watt MagneTek MV ballast I purchased from eBay. Instead of having multiple instruction sheets, the manufacturer simply made one sheet for all MV ballasts with all the wiring diagrams. I believe that only one capacitor is required, and the lamps are in series. I don't have the instruction sheet handy at the moment.

In what kind of fitting do you intend to use this ballast ?
DieselNut
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jonathon.graves johng917 GeorgiaJohn
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Jul 07, 2011 at 10:24 PM Author: DieselNut
@sol, after looking at the photo "zoom" on my home computer, you are correct by the wiring diagram on the ballast. The lamps are wired in series.

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

RichD
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Jul 09, 2011 at 01:20 PM Author: RichD
@sol, I don't yet have any fixture that could use this. I am currently searching for one.

@John, unfortunately my 2 A/C untis run on 20A/120V circuits. There might be 240 @ the my building's main panel, but I don't have enough confidence in my electrical abilities to start poking around for it.
AngryHorse
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Rich


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Jul 09, 2011 at 01:36 PM Author: AngryHorse
A series twin circuit for MV, thats fantastic, I have tried this with a 250watt ballast, on 2 125watt MVs, but couldn`t get both lamps to strike?, it wound only light one, or the other one, on its own.

Current: UK 230V, 50Hz
Power provider: e.on energy
Street lighting in our town: Philips UniStreet LED

"Beauty fades, dumb is forever".......Judge Judy Cheesy

Alights
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USA (120V 60HZ)


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Jul 16, 2011 at 08:02 PM Author: Alights
very cool ballast ! i never even knew such a thing existed!
i want to try running 2 100W mercury vapor lamps in series off my VHO fluorescent ballast , unless anyone thinks that would be a bad idea........
DieselNut
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jonathon.graves johng917 GeorgiaJohn
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Jul 16, 2011 at 08:30 PM Author: DieselNut
With a fluoresvent ballast, wouldn't you have to use a preheat/switchstart "choke" ballast (with one wire coming from the ballast and one from the mains)? I would imagine a tanning bed (for usa market) 100 watt preheat/switchstart ballast would work well. I would also think a European 240v version would do fine.

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

don93s
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Jul 17, 2011 at 12:57 PM Author: don93s
@Alights...I think the VHO ballast would overdrive the 100w MV lamps since the current is at least 1500ma while the lamps are rated for around 850ma. If it is a (2) F96 ballast, I would try it on two 175w lamps instead. Maybe I'll try that on my VHO ballast and measure the current/power.
joseph_125
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Dec 03, 2011 at 07:10 PM Author: joseph_125
Hey Aaron, check this pic out.
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Nov 23, 2013 at 03:48 AM Author: Medved
@Linear: Two MV's in series need at least 440V OCV.
And with two 125W lamps on a 250W ballast, how did you want to connect it?
When you try in parallel, only one will light and would be nearly 2x overdriven.
For series connection the single 250W ballast have insufficient OCV, so the lamp will extinguish before fully warming up. And just before the arc extinction, the electrodes will be overloaded by the too high current from the 250W choke (2.15A instead of 1.15A).

@not 120V: I will guess the reason is, than the nearly 900W input power would be too much to be practical for only 120V...

No more selfballasted c***

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