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10.4.2.2 Outputs
Six identical output circuits are provided. Each output circuit includes two fuses, a switch with a pair of isolation contacts in
each side of the output, and a green lamp to indicate the presence of voltage across the output terminals. The provision of a
fuse and switch contact in each side of the dc path allows use of this board with floating power sources.
10.4.3 Specifications
JPDD Specification
Item
One 2-pin connection for input power from JPDx or another JPDD
Inputs
One 4-pin connection for input power from JPDx or another JPDD
Six 2-pin connections for power to TRLY or TBCI
Outputs
One 2-pin connection for output power to another JPDD
One 4-pin connection for output power to another JPDD
Fuses
Refer to the table
Ambient Rating for
-40 to 70ºC (-40 to 158 ºF)
Enclosure Design
†
23.495 cm high x 10.795 cm wide (9.25 in x 4.25 in)
Board Dimensions
Mounting
DIN-rail, card carrier mounting Base mounted steel bracket, 4 holes
10.4.4 Configuration
There are no jumpers on JPDD. Check the position of the six output load switches.
It is possible to use other fuse ratings with this board to provide specific branch circuit ratings. A typical series of fuses that
work with this board are the Bussmann ABC series of fuses with ratings from ¼ A through 15 A. Fuses above 15 A shall not
be used with this board. If alternate fuse ratings are used, configuration of the board requires the insertion of the proper fuse
in each branch circuit.
PDM Power Distribution Modules
JPDD Board
Versions.
Public Information
125 V dc, 15 A
24 or 48 V dc, 30 A
24 V dc or 125 V dc, fused
125 V dc
24 or 48 V dc
GEH-6855_Vol_II System Guide 365
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