The Resitronic 2003062 has been discontinued - it has some really awkward wiring that can be easily rewired to accommodate a standard ballast without changing the sockets depending on the fluorescent tubes you are operating:
F40T12 or F34T12 - http://www.ballastshop.com/b234sr120m-a-universal.html
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F40T12 or F34T12 - [http://www.ballastshop.com/b234sr120m-a-universal.html|Resitronic 2003062 F40T12 and F34T12 Replacement]
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Of course you can use convert to LED and do away with all this nonsense
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Of course the better option is to convert your 4 ft. F32T8, F40T12, F34T12 fluorescent tubes to [http://www.ballastshop.com/led/t8-led.html?lamp_footage=1348&manufacturer=709|LED by-pass tubes] that eliminate the ballast altogether and typically have a payback in a few months.
Oldturkey is right -
The Resitronic 2003062 has been discontinued - it has some really awkward wiring that can be easily rewired to accommodate a standard ballast without changing the sockets depending on the fluorescent tubes you are operating:
F32T8 - http://www.ballastshop.com/b232punvhe-b-universal-triad-ballast.html
F40T12 or F34T12 - http://www.ballastshop.com/b234sr120m-a-universal.html
Of course you can use convert to LED and do away with all this nonsense