Watt Switchable Ballast
ask question about repair of 1000 watt ballast?
My switchable 1000 ballast hums but the bulb at lest on hps will not light up, is it the ignite r or the Capacitor
By 1000 you must mean 1,000 Watts, correct? What type of lamp is in the fixture?
When a HPS bulb is used the igniter is switched into the circuit. When a MH bulb is used the igniter is switched out of the circuit. Switchable ballast technology is simple, but you should exercise caution due to the different voltages that HPS and MH bulbs use.
HPS and MH bulbs have different operating voltages & different electrical characteristics from each other.
A look at what is currently available on eBay
 SUN SYSTEM 2-250 WATT SWITCHABLE ENCLOSED BALLAST ETL US $189.95 
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 1000 WATT 1000w HPS GROW LIGHT w SWITCHABLE BALLAST MH US $239.95
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 400 Watt MH HPS Grow Light Switchable Ballast Universal US $314.10
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 CAP 400 WATT SWITCHABLE VALULINE BALLAST US $159.95
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 CAP 600 WATT SWITCHABLE VALULINE BALLAST US $169.95
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 CAP 1000 WATT SWITCHABLE VALULINE BALLAST US $179.95
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 CAP 400 WATT SWITCHABLE HARVEST SUN BALLAST US $159.95
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 CAP 600 WATT SWITCHABLE HARVEST SUN BALLAST US $179.95
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 CAP 1000 WATT SWITCHABLE HARVEST SUN BALLAST US $189.95
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