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DIY 400w MBF & MBI Gearbox V2.0 I was bored and decided that I should upgrade the 400w MBF ballast box that I cobbled together years ago into something a bit more useful. Aside from housing the Philips BHL 400 k307 and PFC capacitor in a new enclosure, I have added a Philips SI51 parallel ignitor to the circuit which is triggered by a non-latching toggle switch. This allows the use of metal halide lamps which are rated for use on a mercury vapour ballast.

DIY 400w MBF & MBI Gearbox V2.0

I was bored and decided that I should upgrade the 400w MBF ballast box that I cobbled together years ago into something a bit more useful.
Aside from housing the Philips BHL 400 k307 and PFC capacitor in a new enclosure, I have added a Philips SI51 parallel ignitor to the circuit which is triggered by a non-latching toggle switch.
This allows the use of metal halide lamps which are rated for use on a mercury vapour ballast.

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Filename:387A2193.JPG
Album name:FrontSideBus / Control gear
Filesize:8870 KiB
Date added:14 Feb, 2022
Dimensions:2048 x 1365 pixels
Displayed:129 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=17551
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Danny   [17 Feb, 2022 at 10:09 AM]
Awesome gear boxes

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