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Rev. 041008
10
APPLYING POWER (Top View)
Unscrew & Remove the DC Voltage Input Plug from the top header.
Install the DC Power Cables into the Plug (observing polarity on unit).
Plug the Voltage Input Plug back into the top header.
Tightening torque for the terminal block power plug is 0.22 Nm/0.162 Pound Foot.
Turn the power on the wire.
Note: It is only safe to turn the power on the wires after the wires have been secured to the
switch.
WARNING: Inserting the input plug while the 48VDC is applied may cause arcing, and damage
the input connector permanently.
Note: Either V
1
or V
2
can be connected to power for minimal operation. For redundant power
operation, V
1
and V
2
plugs must be connected to separate DC Voltage sources. Use wire sizes of 10-20
gauge. The power cord should be limited to less than 10 meters in order to ensure optimum
performance.
Recommended 48V DC Power Supplies, similar to:
100-240VAC:
N-Tron NTPS-48-5, DC 48V/5A