Author Topic: Mercury Lamp for 50 watt MH ballast  (Read 2689 times)
tmcdllr
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Mercury Lamp for 50 watt MH ballast « on: July 24, 2012, 05:59:40 PM » Author: tmcdllr
Ok so I have this fixture that has a ballast for a 50w PSMH lamp but for some reason it does not like ignitors so I want to instead run a mercury lamp off of it. First I would like to know which mercury lamp will work and second, I know I have to remove the ignitor but I have a wiring question. The ballast has a red and blue that go to the ignitor. The red also ties into the socket. When I remove the ignitor do I connect the red to the socket and cap off the blue wire?
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Nothing like the beautiful cool white light of a coated Mercury Vapor lamp and the soothing hum of it's magnetic ballast.

DaveMan
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Re: Mercury Lamp for 50 watt MH ballast « Reply #1 on: July 30, 2012, 03:43:27 AM » Author: DaveMan
I'm not entirely sure on that one. Maybe someone on here who has done more experimenting like Don would know a little more about this than I would but if I were to take a guess, I'd say, try a 75 watt mercury vapor lamp and see how that works.
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tmcdllr
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Re: Mercury Lamp for 50 watt MH ballast « Reply #2 on: July 30, 2012, 04:30:43 AM » Author: tmcdllr
Ok thanks.
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Nothing like the beautiful cool white light of a coated Mercury Vapor lamp and the soothing hum of it's magnetic ballast.

Medved
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Re: Mercury Lamp for 50 watt MH ballast « Reply #3 on: July 31, 2012, 03:38:44 PM » Author: Medved
Ok so I have this fixture that has a ballast for a 50w PSMH lamp but for some reason it does not like ignitors so I want to instead run a mercury lamp off of it. First I would like to know which mercury lamp will work and second, I know I have to remove the ignitor but I have a wiring question. The ballast has a red and blue that go to the ignitor. The red also ties into the socket. When I remove the ignitor do I connect the red to the socket and cap off the blue wire?

50W MH is 0.75A/70V lamp, need OCV >200V (beside the ignition pulses). That mean the output current into ~110V load (usual lower wattage burner MV) it would feed about 0.65..0.7A, so about 60..65W
So 75W MV would be OK (it would run slightly underdriven, but not as much, it should tolerate it well)

50W MV would work too, but that would be overdriven, so may suffer shorter life.
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slipperypete
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Re: Mercury Lamp for 50 watt MH ballast « Reply #4 on: August 12, 2012, 02:16:03 PM » Author: slipperypete
Where did you get the 50 Watt fixture from. I would like to get one as well.
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tmcdllr
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Re: Mercury Lamp for 50 watt MH ballast « Reply #5 on: August 12, 2012, 07:30:41 PM » Author: tmcdllr
It was on ebay.
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Nothing like the beautiful cool white light of a coated Mercury Vapor lamp and the soothing hum of it's magnetic ballast.

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