Communications

11.4Remote Emergency Power Off

The UPS is equipped with a Remote Emergency Power Off (REPO) connector.

The user must supply a means of interfacing with the REPO circuit to allow disconnecting the UPS input feeder breaker to remove all sources of power to the UPS and connected equipment to comply with national and local wiring codes and regulations.

Figure 5 REPO switch connections

REPO Connection

 

REPO

 

REPO connections

REPO connections

as shipped

for normally open

for normally closed

 

 

 

 

switch system

switch system (fail-safe)

1

2

3

4

1

2

3

4

1

2

3

4

Key to REPO switch connections 1. 24 VDC

2. Sense

3. Sense

4. Ground

! CAUTION

To maintain safety (SELV) barriers and electromagnetic compatibility, signal cables should be segregated and run separately from power cables.

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Liebert GXT2-6000 RT208 Remote Emergency Power Off, Repo Connection, Key to Repo switch connections 1 VDC Sense Ground