Allen-Bradley 825-P - Voltage Connections

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Rockwell Automation Publication 825-UM004D-EN-P - November 2012 25

Installation Chapter 2

Voltage Connections

With the Voltage Inputs option, the three-phase voltages can be directly

connected for voltages under 300V

L-L

, wye-wye VT connected or open-delta

VT connected. Figure 12 shows the three methods of connecting three-phase

voltages.

Figure 12 - Voltage Connections

The recommended fuse is the Bussman KTK - 1/10, 1/10 ampere Limitron® fuse,

or its equivalent.

Wye-Wye VT Connection (Xfmr Connection = Wye)

825-P

L1 L2

825-P

Direct Connection (Xfmr Connection = Wye)

F1, F2, and F3 are fuses.

L1 L2

Open-Delta VT Connection (Xfmr Connection = Delta)

825-P