Figure 2-1. Typical 3Pci Line And Load Connections; Table 2-1. Wire Size Information - Siemens POWER CONTROL Series Operation Manual

Installation
Wiring rated at 75°C is required for all 3PCI model current ratings.
The 3PCI is phase-rotation insensitive. That is, three-phase input power can be connected in any
sequence to terminals
Warning! Branch circuit overcurrent protection required is to be provided in accordance with the
national and local codes of the inspecting authority.
AC Input

Table 2-1. Wire Size Information

Current Rating
60, 90 and 120 A
180 and 255 A
350 through 1,200 A
1 - 1 MCM = 1000 CM (circular mils)
2-2
, , and , and will not cause an out-of-phase condition.
L1 L2 L3
3
2
1

Figure 2-1. Typical 3PCI Line and Load Connections

Smallest Allowable
Conductor Size
8 AWG
6 AWG
n/a
3PCI SCR Power Controller Series Manual
Largest Allowable
Conductor Size
Terminal
0 AWG
250 MCM
n/a
s
3
2 Load
1
Terminal
1
Version 1.2 (19000325)