S&C Instruction Sheet 768-550 7
Components
CCU-SP—Communication and Control Unit
Self-Powered by S&C Voltage Sensor
See Figures 1 and 2.
User-specified communication device
User-specified remote terminal unit
Provisions for an external control source
include fuses and an isolation transformer
Optional extra dual-battery packs provide
additional power when required for a user-
specified RTU or communication device
Optional auxiliary battery charger float charges
extra battery packs needed for some Remote
Terminal Units and communication devices
Battery charger provides continuous float charge
to battery packs
Switch control includes OPEN/CLOSE
pushbuttons, switch-position indicating lamps,
a disconnect closed and latched indicating lamp, a
LOCAL/REMOTE switch, and an operation counter
Dual battery packs provide power for the
installation
316L stainless steel NEMA 4X enclosure with a
three-point door latch and a padlockable handle
Figure 1. The Type CCU-SP Unit component location.
Figure 2. The Type CCU-SP Unit with the weing-out panel open.
