Installation
21 Liebert
®
 GXT4
™
Figure 16 Terminal block connections
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 GXT4-5000 and 6000RT208
Liebert GXT4-8000 and 10,000RT208