TOSHIBA
4.4
Control Circuit and External Interface Connections 50 kVA
The following illustrates the wiring connections of the Control Circuits, and Battery Interface
Circuits for the 50kVA.
(3) Battery Shunt Trip
(4) Battery Shunt Trip
(5) Battery Aux.
(6) Battery Aux.
(1) Low
Battery
(2) Battery
Discharge
(3) Fault
(4) Not
Used
(5) Inverter
Supply
(6) Inverter
Supply
(7) P24A3
(8) Remote
Run
(9) P24A3
(10) Remote Stop
(11) Bypass
(12) COMMON
(13) EPO
(14) EPO
(15) – (18) Not Used
4.4.1 Recommended Wire Size and Torque Requirements
UPS Control and Battery Interface 50 kVA
Minimum Wire Size and Torque Requirements
UPS Control and Battery Interface Circuits
USE MINIMUM 75 °C COPPER WIRING
50 kVA
TERMINAL
(TERMINAL #)
AWG*
TIGHTENING
TORQUE
UPS CONTROL CIRCUITS
(1-24)*
14-16 8
in-lbs.
BATTERY CONTROL
CIRCUITS (3-6)*
14-16 8
in-lbs.
*Indicates Class 1 wiring methods are to be used. Maximum Wire Size is 12 AWG.
4200FA CT/XT User’s Manual
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