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Connecting the Three-Phase AC Power Cable (a Circuit Breaker as the
6.7
Three-Phase Input Switch)
For the smart array controller that supports the access of one PLC route, connect the three-
phase AC power cable to the QF02 switch.
For the smart array controller that supports the access of two PLC routes, connect the first route
of three-phase AC power cable to the QF02 switch, and the second route of three-phase AC
power cable to the QF04 switch.
This section describes how to connect the three-phase AC power cable for the smart array
controller that supports the access of two PLC routes. For details about how to connect the
three-phase AC power cable for the smart array controller that supports the access of one PLC
route, refer to the way of connecting the first route of three-phase AC power cable.
1. Prepare a cable.
2. Crimp an OT terminal.
3. Connect the L1, L2, and L3
cables to the three-phase
input switch.
Connect the L1-1, L2-1, and L3-1 cables from the QF02 switch respectively to ports A, B, and C
on the box-type transformer busbar 1 over a three-phase power switch.
Connect the L1-2, L2-2, and L3-2 cables from the QF04 switch respectively to ports A, B, and C
on the box-type transformer busbar 2 over a three-phase power switch.
Ensure that the L1, L2, and L3 cables are connected in correct phase sequence.
4. Bind the cable.
Box-type
transformer
Box-type
transformer
busbar 1
A/B/C
power switch 2
Box-type
transformer
busbar 2
A/B/C
Three-phase
power switch 1
Three-phase
20
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