Remote Emergency Power Off; Figure 9 Repo Switch Connections - Orion Power Systems SCR2 User Manual

11.4

Remote 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 9 REPO switch connections

REPO Connection
REPO
as shipped
1 2 3 4
Key to REPO switch connections
1. 24 VDC
2. Sense
3. Sense
4. Common
CAUTION
!
To maintain safety (SELV) barriers and electromagnetic compatibility, signal cables should
be segregated and run separately from power cables.
REPO connections
for normally open
switch system
1 2 3 4
26
Communications
REPO connections
for normally closed
switch system (fail-safe)
1 2 3 4