User`s manual

2.2 Wiring Power Inputs

Follow below steps to wire the redundant DC power inputs.

1. Insert positive and negative wires into V+ and V- contacts respectively of

the terminal block connector

2. Tighten the wire-clamp screws to prevent DC wires from being loosened.

3. Power 1 and Power 2 support power redundancy and polarity reverse

protection functions.

4. Positive and negative power system inputs are both accepted, but Power 1

and Power 2 must apply the same mode.

Note 1: It is a good practice to turn off input and load power, and to unplug

power terminal block before making wire connections. Otherwise,

your screwdriver blade can inadvertently short your terminal

connections to the grounded enclosure.

Note 2: The range of the suitable electric wire is from 12 to 24 AWG.

Note 3: If the 2 power inputs are connected, the switch will be powered from

the highest connected voltage. The unit will alarm for loss of power,

either POWER1 or POWER2.

Note 4: Use a UL Listed Power supply with output Rating 10.5-60VDC,

minimum 1 A.