GE Industrial Solutions SPSA600 - Manual (Page 4)

GEH-6251 Installation Instructions
The Power Supply Plate is available in five ratings.
Table 1 contains a listing of all GE Power Supply
Plates. All units are rated 60 Hz. Supplemental 24Vdc
input terminals are provided for systems that have
access to an external +24Vdc power supply. If this
supplemental input is connected, the assembly will
continue to pass the control power to breakers and
accessories connected to the Distribution Cable System
if the primary AC power is lost or drops below the
minimum requirement. This backup input must meet
ANSI C37.90.1 for oscillatory and fast transient surges
(the Power Supply Plate provides this protection for the
primary AC input). Additional 24Vdc output connections
are supplied for applications where +24Vdc control
power is required independent of the Distribution
Cable System (i.e., feeding an Air Circuit Breaker or
Insulated Case Breaker with microVersaTrip
® PM/Plus or
EntelliGuard TM TU Trip Unit).
NOTE: THE POWER SUPPLY PLATE IS SIZED FOR A
MAXIMUM OF 20 BREAKERS. Use of the Power Supply
Plate to provide voltage sensing signals and/or +24Vdc
control power to a main Air Circuit Breaker or a main
Insulated Case Breaker with a MicroVersaTrip
® PM/Plus
or EntelliGuard TM TU Trip Unit reduces the total quantity
of 20 Spectra ® RMS Molded-Case Circuit Breakers with
microEntelliGuard TM or MicroVersaTrip ® PM/Plus Trip
Units by one. The overall maximum cabling length of
the system remains 40 feet.
Table 1. Ge Power Supply Plates
Voltage
Rating
Catalog
Number
Class CC
Line Fuses # Comments
I20VAC SPSA12O 1 2amp 1
SPSAA on mounting plate
with fuse holder
208VAC SPSA208 2amp 2
SPSAA on mounting plate
with fuse holder
240VAC SPSA240 2amp 2
SPSAA on mounting plate
with fuse holder
480VAC SPSA480 2amp 2
SPSAA on mounting plate
with fuse holder
and 480 Vac transformer
600VAC SPSA600 2amp 2
SPSAA on mounting plate
with fuse holder
and 480 Vac transformer
1 Fuse protection only in one leg – this is a line-to-neutral connection.
All other connections are line to line.
The Power Supply Plate contains six connection points.
Refer to Figures 4 and 5 for connection details and
location information. The following is a detailed list of
the Power Supply Plate connection points:
• “To Distribution Cable”
– 12-pin plug connector that mates with the 12-pin
receptacle of a Distribution Cable Harness (catalog
number SDCHA11 , SDCHA30 or SDCHA60).
• “To Voltage Conditioner”
– 12-pin plug connector that mates with the 12-
pin receptacle of a Distribution Cable Harness
(catalog number SDCHA11, SDCHA30 or SDCHA60).
For Spectra
® RMS Molded-Case Circuit Breakers
with microEntelliGuard TM , MicroVersaTrip ® PM Trip
Units, the other end of the harness MUST connect
to either a Voltage Conditioner Assembly (catalog
number SVCAA) or a Voltage Conditioner Plate
(catalog number SVCA120Y, SVCA208Y, SVCA240D,
SVCA277Y, SVCA480Y, SVCA480D or SVCA600D) for
the breaker to function properly.
• “Input Voltage”
– Two-screw terminals on the fuse block for
connection of the primary AC source.
• “Input”
– Three-screw terminal block on the Power Supply
Assembly. Use one-terminal screw for connection
of the ground (the other two-terminal screws are
factory wired to the load side of the fuse block).
• “Output to 24Vdc”
– Two-screw terminal block for optional control power
output (in lieu of using the Distribution Cable System).
• “Supplemental Input 24Vdc”
– Two-screw terminal block for connection of an
external +24Vdc power supply.
By plugging the Power Supply Plate into the Distribution
Cable System, you create system wide signals that are
available to all breakers connected to the system; a list
of those functions appears in Table 3.
Table 3. Signals available on the Distribution Cable System
by connection of the Power Supply Plate
Spectra ® RMS
Breaker with
MicroVersaTrip ® PM
Trip Unit
Spectra ® RMS
Breaker with
MicroVersaTrip ®
Plus Trip Unit
Spectra ® RMS
Breaker with
microEntelliGuard TM
Trip Unit
control power
(+24vdc)
control power
(+24vdc)
control power
(+24vdc)
control power
(common)
control power
(common)
control power
(common)