Eaton 93PM 150 kW SIAC-B Three-Wire, Installation And Operation Manual, Page: 58 / 106

Installation
4-14 Eaton 93PM Sidecar Integrated Accessory Cabinet-Bypass (150 kW and 200 kW SIAC-B) Installation and Operation Manual P-164000387—Rev 7 www.eaton.com/powerquality
Figure 4-10. SIAC-B Interface Terminal Detail
Table 4-1. SIAC-B Interface Wiring Terminal Block Terminations
Terminal Function
Size of Pressure
Termination
Tightening Torque
Nm (lb in) Type Screw Comments
Auxiliary Contacts #26–#16 0.4 (3.5) - 0.8 (7.1) Slotted Use twisted-pair wires for each input and return or
common.
Strip wire insulation back 10 millimeters to
wire terminal blocks.
Use wire rated for 600V and Class 1 wiring methods.
NOTE 1 The removable terminal block header faces in for a left-mount SIAC-B and out for a
right-mount SIAC-B.
NOTE 2 UPS building alarm signals are customer programmable. Customer interface wiring
for the SIAC-B MBP assumes that the UPS Building Alarm is programmed to
monitor Normally Open (NO) contacts.
MBP Auxiliary
Contacts
MBP Aux1 NC
MBP Aux1 NO
MBP Aux1 COM
MBP Aux2 NC
MBP Aux2 NO
MBP Aux2 COM
UPS MBP NC (TB-3)
UPS MBP Common (TB-2)
Not Used
Not Used
Not Used
Not Used
Customer Interface Wiring
(Removable Terminal
Block Header)
1
10
Factory Interface Wiring
Not Used
Not Used
Not Used
Not Used
SIAC-B
Table 4-2. SIAC-B MBP Interface Terminals
SIAC-B
Terminal Name UPS Terminal Description
TB-1 Not Used —
TB-2 MBP Aux 1 COM UPS MBP Return Output: Normally Open (NO) contact used to indicate whether the MBP is closed
and the UPS system is on maintenance bypass. Contacts are closed when the
MBP is closed.
TB-3 MBP Aux 1 NC UPS MBP
TB-4 Not Used —
TB-5 Not Used —
TB-6 Not Used —
TB-7 Not Used —
TB-8 Not Used —
TB-9 Not Used —
TB-10 Not Used —
NOTE UPS building alarm signals are customer programmable. Customer interface wiring for the SIAC-B MBP assumes that the UPS Building Alarm is
programmed to monitor Normally Open (NO) contacts.
NOTE “Return“ indicates connection to electronics circuit ground. “Common” indicates connection to common side of isolated relay contact