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Capacitor for 175 CWA
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Topic: Capacitor for 175 CWA (Read 13704 times)
gramirez2012
Newbie
Posts: 24
Capacitor for 175 CWA
«
on:
October 26, 2011, 10:19:20 PM »
What are the capacitor values for a 175w CWA (mercury) ballast?
Thank you.
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I love NEMA heads!
Vince
Administrator
Lighting enthusiast
Posts: 229
Re: Capacitor for 175 CWA
«
Reply #1 on:
November 23, 2011, 08:44:46 PM »
The capacitor value can slightly vary from one manufacturer to another. Most 175W models use a cap with a value around 10 to 12.5uF. As of the voltage rating, it is safe to use a cap rated at least 300V.
Hope this helps!
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Vince, Admin # 3 - GoL.org
lights*plus
Newbie
Posts: 57
Re: Capacitor for 175 CWA
«
Reply #2 on:
November 23, 2011, 09:15:29 PM »
This for any single tap 120volt CWA H39 ballast?
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MercuryVapor175
Newbie
Posts: 29
Re: Capacitor for 175 CWA
«
Reply #3 on:
February 16, 2012, 04:48:20 PM »
MV ballast, it has a 10 uf 400v dry-film capacitor, and it runs 175w MV/MH.
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joe_347V
Administrator
Professional lighting engineer
Posts: 1038
Dat LPS...
Re: Capacitor for 175 CWA
«
Reply #4 on:
February 20, 2012, 07:25:31 AM »
I've seen caps on true 175w mercury ballasts run as high as 17.5uF 300V but it varies by model and manufacturer.
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Capacitor for 175 CWA
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