Ballast fittings / ballasts 

Ballast fittings / ballasts
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What are ballasts and what do you need them for?

A ballast (VSG) or a ballast fitting (VSA) generates the voltage necessary for the operation of HPS and MHL lamps. You cannot operate an HPS or MH lamp without a VSG.

What should you look for when buying?

When buying, make sure that you buy a suitable VSG for your lamp. It is important that the VSG has the same power (Watt) as your lamp consumes.

Then you have to decide on a price category:

  • Low BudgetVSGs / simple VSGs are not adjustable, are not pre-assembled, there are no cables included and produce operating noise. There is always a slight humming or buzzing noise
  • Price-performance VSGs are not adjustable, but are pre-assembled. I.e. you don't have to strip any cables, etc. You can just plug the VSG in and go.
  • High End -VSGs are adjustable, of course pre-assembled, produce almost no operating noise and extend the life of your bulbs.