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Installation and Configuration
20
Terminal Block Connections
Conduit entry holes are provided on the rear and side of the box. Input and output wiring should not
share the same conduit. Emerson recommends using strain relief when installing the wire.
Figure 16 Terminal block connections
Table 2 Electrical specifications
UPS Model
Recommended
(Maximum) External
Overcurrent Protection
Recommended Wire
(Including ground wire)
(75°C copper wire)
Maximum Wire
Accepted by
Terminal Block
Terminal
Tightening
Torque
GXT3-5000RT208
™
GXT3-6000RT208
™
GXT3-6000RTL630
™
30A 10AWG (4mm
2
) 8AWG (6mm
2
)
20 in-lb
(2.26 Nm)
GXT3-8000RT208
™
GXT3-10000RT208
™
60A 6AWG (10mm
2
)
4AWG (16mm
2
)
NOTE
1. Emerson recommends installing a UL489-approved breaker upstream of unit.
2. The installer must provide circuit breaker protection according to local codes. The utility
disconnect should be within sight of the UPS or have appropriate an appropriate lock-out.
Maintain service space around the UPS or use flexible conduit.
3. The installer must provide output distribution panels, circuit breaker protection or
emergency disconnects according to local codes. Output circuits must not share a common
conduit with any other wiring.
L2 N L1 L2 N L1
OUTPUT INPUT
L2 N L1 L2 N L1
OUTPUT INPUT
Liebert GXT3-5000 and 6000RT208
Liebert GXT3-8000 and 10,000RT208