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Power Distribution Box for Telescope
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A simple power distribution box that can be mounted on the dovetail bar of an astrophoto telescope
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Model information
- Source
- Printables
- Category
- Physics & Astronomy
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
I designed a simple 12V power distribution box for my new astrophotograpy rig.
FEATURES
- Power IN: 12V, 5.5x2.1 socket plug ("jack") for the power input, e.g. from a battery pack.
- Power OUT:
- #5 DC socket plugs, 5.5x2.1
- #1 DC RCA female plug
- Protection: #1 blade fuse, 10A
- Attachment points: multiple holes for M6 bolts
COMPONENTS
- #6 12V socket plug 5521
- #1 12V RCA plug
- #1 blade fuse holder, sealed type
- #1 fuse, 10A or whatever suits your load
- 1.5 mm² insulated wire, red and black
- some 5x, 3x and 2x wago connectors 221-413, or equivalent
- #4 M3 self-tapping screws
- heat shrink sleeves
INSTRUCTIONS
- solder 12-15 cm of wire to the plugs, positive central
- protect the soldered terminals with heat shrink sleeves
- mount the plugs in the holes of the box
- connect the fuse on one side to the positive wire of the IN plug and on the other side to a Wago connector
- connect all the positive wires to the wagos in parallel
- connect all the negative wires in parallel with wagos
- check with a multimeter for mistakes or polarity inversions (but it is really difficult to make a mistake)
- Close the lid with the M3 self-tapping screws
NOTES
I enclose the Fusion360 model for any modifications. I calculated some 4-5A max of power absorption, hence I used a 10A fuse
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