== SSR's ==

20-25A SSR's are about $15 new (you can pick them up used or in surplus shops for about $10)

^  Image  ^  Voltage out (max)  ^  Voltage in  ^ Current max  ^ Distributor ^
|    |  250VAC  |  5VDC  |  20 Amp  | [[http://mouser.com/ProductDetail/Omron-Electronics/G3NE-220T-US-DC5/?qs=sGAEpiMZZMtHD6BhCPGf2pzm%2flBpqtlmAD6pJmshgtM%3d|Mouser]]  |
|    |  250VAC  | 4-32VDC  |  25 Amp  | [[http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=365-1486-ND|Digikey]]  |
|    |  480VAC  | 3-32VDC  |  25 Amp  | [[http://www.auberins.com/index.php?main_page=product_info&cPath=2&products_id=9|Auber]]  |