Author Topic: 400 Or 250 Watt Pulse Start MV  (Read 2184 times)
wattMaster
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400 Or 250 Watt Pulse Start MV « on: August 12, 2016, 03:43:14 PM » Author: wattMaster
Where can I get a 250 or 400 Watt pulse start MV lamp? Moon Pulses only go up to 175 Watts.
Clear preferred.
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Re: 400 Or 250 Watt Pulse Start MV « Reply #1 on: August 12, 2016, 04:15:13 PM » Author: Lumex120
Where can I get a 250 or 400 Watt pulse start MV lamp? Moon Pulses only go up to 175 Watts.
Clear preferred.
They don't exist, unfortunately.  :(
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Re: 400 Or 250 Watt Pulse Start MV « Reply #2 on: August 12, 2016, 04:20:08 PM » Author: wattMaster
Where can I get a 250 or 400 Watt pulse start MV lamp? Moon Pulses only go up to 175 Watts.
Clear preferred.
They don't exist, unfortunately.  :(
Then how can I run MV on my pulse start ballast for 250 and 400 Watt lamps?
How about 3 175 Watt Moon Pulse lamps in parallel and be underdriven a little bit?
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Re: 400 Or 250 Watt Pulse Start MV « Reply #3 on: August 14, 2016, 06:13:53 PM » Author: nicksfans
"Then how can I run MV on my pulse start ballast for 250 and 400 Watt lamps?" You don't, unless you want to destroy the resistor in the MV lamp during a hot restrike.

"How about 3 175 Watt Moon Pulse lamps in parallel and be underdriven a little bit?" In parallel, only one lamp would strike. Series might work though.
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Re: 400 Or 250 Watt Pulse Start MV « Reply #4 on: August 14, 2016, 06:14:15 PM » Author: wattMaster
Parallel wouldn't work; only one would strike. Maybe series...
Then you need a higher voltage.
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Re: 400 Or 250 Watt Pulse Start MV « Reply #5 on: August 14, 2016, 06:27:05 PM » Author: nicksfans
The starting pulse may be high enough. FYI, it's cheaper to buy a probe MH ballast than three Moon Pulse lamps.
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Re: 400 Or 250 Watt Pulse Start MV « Reply #6 on: August 14, 2016, 06:31:46 PM » Author: wattMaster
The starting pulse may be high enough. FYI, it's cheaper to buy a probe MH ballast than three Moon Pulse lamps.
But how to use it in an easy way? Then I would need some kind of fixture.
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Re: 400 Or 250 Watt Pulse Start MV « Reply #7 on: August 14, 2016, 06:34:23 PM » Author: nicksfans
Search your local Craigslist for stuff like "shop light", "gym light", "garage light", "industrial light", etc. and get a probe MH high/low bay. Problem solved.
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Re: 400 Or 250 Watt Pulse Start MV « Reply #8 on: August 14, 2016, 06:35:39 PM » Author: wattMaster
Search your local Craigslist for stuff like "shop light", "gym light", "garage light", "industrial light", etc. and get a probe MH high/low bay. Problem solved.
Or wait a couple of years for a potentially 400 Watt probe start double highbay.
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Re: 400 Or 250 Watt Pulse Start MV « Reply #9 on: August 14, 2016, 06:36:49 PM » Author: nicksfans
If you want to wait that long. I found these on my local CL just now by searching "shop light", and I would totally buy them if I needed some because they're a killer deal. To put it in perspective, $20 is less than a new 400w MH ballast kit costs.
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Re: 400 Or 250 Watt Pulse Start MV « Reply #10 on: August 14, 2016, 06:41:07 PM » Author: wattMaster
If you want to wait that long. I found these on my local CL just now by searching "shop light", and I would totally buy them if I needed some because they're a killer deal. To put it in perspective, $20 is less than a new 400w MH ballast kit costs.
I saw a MV warehouse light in a thrift shop for $50. I wish I got it.
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Re: 400 Or 250 Watt Pulse Start MV « Reply #11 on: August 14, 2016, 06:44:14 PM » Author: mbulb146
Either the label on these Craigslist MH highbays is printed wrong or they significantly underdrive a 400W MH lamp.  The line volt amps is about 300 so even with PF close to 100% that's less than 300W including ballast losses.  Maybe the currents on the label were meant for a 250W fixture.

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Re: 400 Or 250 Watt Pulse Start MV « Reply #12 on: August 14, 2016, 06:46:17 PM » Author: wattMaster
Either the label on these Craigslist MH highbays is printed wrong or they significantly underdrive a 400W MH lamp.  The line volt amps is about 300 so even with PF close to 100% that's less than 300W including ballast losses.  Maybe the currents on the label were meant for a 250W fixture.

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What Craigslist highbay?
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Re: 400 Or 250 Watt Pulse Start MV « Reply #13 on: August 14, 2016, 07:08:03 PM » Author: nicksfans
The one I linked in my earlier comment.
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Re: 400 Or 250 Watt Pulse Start MV « Reply #14 on: August 14, 2016, 07:09:41 PM » Author: wattMaster
The one I linked in my earlier comment.
Why would it underdrive the lamp?
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