3.4.3 Connecting Cables
The GXT4 rear panel has an input cable and plug, output receptacles and output cable(s) (Output cables
are on GXT4-3000 models only). Refer to Rear Panel Features on page10 for details. The battery cables
are supplied with the battery cabinet.
3.4.4 Connecting to AC Mains and Loads
Ensure that all the loads are turned Off. Prepare an input power supply that is properly protected by a
circuit breaker in accordance with national and local electrical codes. The wall receptacle must be
grounded. We recommend installing an upstream circuit breaker of the same series as the input circuit
breaker of the GXT4.
The specifications of the input circuit breaker on the rear panel of the UPS are listed in the following table.
MODEL RATED CIRCUIT BREAKER
GXT4-500RT120 8 A
GXT4-700RT120 10 A
GXT4-1000RT120 10 A
GXT4-1500RT120 15 A
GXT4-2000RT120 20A
GXT4-3000RT120 30A
GXT4-3000RT208 20A
Table 3.1 Input circuit breaker
specifications
500 – 2000-VA models have 3 groups of outlets:
• One group is not controlled (always On).
• Two groups are controlled with programmed responses or an SNMP network.
3000VA models have four groups of outlets:
• Two groups are not controlled (always On).
• Two groups are controlled with programmed responses or an SNMP network.
Verify that the equipment is plugged into the appropriate outlets if any of the outlets will be controlled.
NOTE: Do not overload any output receptacle. Output cable length should not exceed 10m (32.8 ft).
To connect equipment and input power:
1. Plug equipment into the appropriate output receptacles on the rear of the GXT4.
2. Plug the input plug of the GXT4 into the input power connection.
NOTE: If the input plug is to serve as the disconnecting device, the wall socket/outlet must be near the
UPS and must be easily accessible, per the National Electric Code / NFPA 70 requirements.
Vertiv | Liebert® GXT4™ Installer/User Guide
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