Eaton 93PM Integrated Accessory Cabinet-Tie (50 kW and 100 kW IAC-T) Installation and Operation Manual P-164000371—Rev 05
61
Table 18. IAC-T Interface Wiring Terminal Block Terminations
Terminal
Function
Recommended
Minimum Wire
Size
Size of
Pressure
Termination
Tightening
Torque Nm (lb
in)
Type
Screw
Comments
Auxiliary
Contacts
#18 AWG
#26–#12
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.
Table 19. IAC-T MOB and Pull Chain Interface Terminals
IAC-T
Terminal
Name
UPS Terminal
Description
TB1-1
MOB 1 Aux #2
COM
—
Jumper terminal for MOB 1, MOB 2, MOB 3, and MOB4 Aux
2 common connections.
TB1-2
MOB 2 Aux #2
COM
—
TB1-3
MOB 3 Aux #2
COM
—
TB1-4
MOB 4 Aux #2
COM
—
TB1-5
MOB 1 Aux #1 NC
UPS 1 Building Alarm
Output: Normally Closed (NC) contact used to indicate
whether MOB 1 is open. Contacts are closed when MOB 1 is
open.
TB1-6
MOB 1 Aux #1
COM
UPS 1 Building Alarm Return
TB1-7
MOB 1 Aux #2 NO
UPS 1 Pull Chain – Terminal 1
Output: UPS 1 Pull Chain – Backup control for parallel
operation
TB1-8
Pull Chain Common
UPS 1 Pull Chain Return –
Terminal 2
Output: UPS 1 Pull Chain Common
TB1-9
MOB 2 Aux #1 NC
UPS 2 Building Alarm
Output: Normally Closed (NC) contact used to indicate
whether MOB 2 is open. Contacts are closed when MOB 2 is
open.
TB1-10
MOB 2 Aux #1
COM
UPS 2 Building Alarm Return
TB1-11
MOB 2 Aux #2 NO
UPS 2 Pull Chain – Terminal 1
Output: UPS 2 Pull Chain – Backup control for parallel
operation
TB1-12
Pull Chain Common
UPS 2 Pull Chain Return –
Terminal 2
Output: UPS 2Pull Chain Common
TB1-13
MOB 3 Aux #1 NC
UPS 3 Building Alarm
Output: Normally Closed (NC) contact used to indicate
whether MOB 3 is open. Contacts are closed when MOB 3 is
open.
TB1-14
MOB 3 Aux #1
COM
UPS 3 Building Alarm Return
TB1-15
MOB 3 Aux #2 NO
UPS 3 Pull Chain – Terminal 1
Output: UPS 3 Pull Chain – Backup control for parallel
operation
TB1-16
Pull Chain Common
UPS 3 Pull Chain Return –
Terminal 2
Output: UPS 3 Pull Chain Common
TB1-17
MOB 4 Aux #1 NC
UPS 4 Building Alarm
Output: Normally Closed (NC) contact used to indicate
whether MOB 4 is open. Contacts are closed when MOB 4 is
open.
Summary of Contents for 93PM IAC-T Series
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