Onelines And Schematics; Onelines; Figure 5-1. Two-Breaker Siac-B Internal Oneline - Eaton 93PM 150 kW SIAC-B Three-Wire Installation And Operation Manual

Chapter 5

Onelines and Schematics

5.1

Onelines

Figure 5-1, Figure 5-2, and Figure 5-3 show the simplified internal structure of the Sidecar Integrated Accessory
Cabinet-Bypass (SIAC-B) for the following configurations:
Two-breaker Maintenance Bypass with a Maintenance Isolation Breaker (MIS) and a Maintenance Bypass
l
Breaker (MBP)
Three-breaker Maintenance Bypass with a MIS, a MBP , and a Bypass Input Breaker (BIB)
l
Four-breaker Maintenance Bypass with a MIS, a MBP , a BIB, and a Rectifier Input Breaker (RIB)
l
150 kW SIAC-B (2-Breaker Version)
200 kW SIAC-B (2-Breaker Version)
480V 3-Phase
Input from
UPS Inverter
Output
A
480V 3-Phase
Input to
Maintenance
Bypass
NOTE Callout letters A and C map to Table 3-2 or Table 3-4.

Figure 5-1. Two-Breaker SIAC-B Internal Oneline

Eaton 93PM Sidecar Integrated Accessory Cabinet-Bypass (150 kW and 200 kW SIAC-B) Installation and Operation Manual
MIS
MBP
Input
Terminals
C
480V 3-Phase
Output
SIAC-B Output
Terminals
to Critical Load
P-164000387—Rev 7 www.eaton.com/powerquality 5-1