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2-4
Unit Description
2.4. Back Panel Components - RPC-40L8A4 Series
As shown in Figure 2.4, the RPC-40L8A4 Series Back Panel includes the following:
PowerInput: Two 40 Amp DC input Buses that share a common chassis ground
line. The power input terminal block also includes two mounting brackets, which
are used to hold the protective cover (not shown).
SwitchedOutputCircuits-BusA: Four ten amp DC circuits in a Euro Style
output terminal fed by power input bus A. DC output voltages for RPC-40L8A4
series units are as follows:
• RPC-40L8A4-48=±48VDC,10Amps
• RPC-40L8A4-24=+24VDC,10Amps
• RPC-40L8A4-12=+12VDC,10Amps
OutputCircuitFuses-BusA: Four ten amp DC GMT fuses that protect the
circuits on Output Bus A. Ships with 10 Amp fuses; for custom fuses, please
contact WTI
SwitchedOutputCircuits-BusB: Four ten amp DC circuits in a Euro Style
output terminal fed by power input bus B. Voltages for each RPC-40L8A4 model
are described under item 2 above.
OutputCircuitFuses-BusB: Four ten amp DC GMT fuses that protect the
circuits on Output Bus B. Ships with 10 Amp fuses; for custom fuses, please
contact WTI
OptionalGroundingLugLocation: Mounting holes for optional grounding lug for
6 gauge ground wire. For more information, please contact WTI.
AlarmInputs: Four Euro style alarm inputs, which are designed for connection to
door open alarms or other dry contacts. Each alarm input supplies 0.4 Amps of
positiveDCcurrentatthesamevoltagethatisusedtopowertheunit(e.g.,±48V
DC units provide +48 V DC, +24 V DC units provide +24 V DC and +12 V DC units
provide +12 V DC.)
12
3
4 6
57
Figure 2.4: Back Panel (Model RPC-40L8A4 Shown)
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