GE Energy
Industrial Solutions
GEH-6253 Installation Instructions
Power Supply Assembly
For Spectra® RMS Molded-Case Circuit Breakers
TM
with microEntelliGuard
, MicroVersaTrip® PM or MicroVersaTrip® Plus Trip Units
For Catalog Number SPSAA
Circuit Breaker Accessory
Overview
The General Electric Power Supply Assembly is used to
provide +24Vdc Control Power to Spectra
Case Circuit Breakers with microEntelliGuard
MicroVersaTrip
Cable System.
The Power Supply Assembly also provides power to the
Voltage Conditioner Assembly or Voltage Conditioner
Plate. Spectra
microEntelliGuard™ (with advanced metering) and
MicroVersaTrip
Voltage Conditioner Assembly or Voltage Conditioner
Plate to function properly.
®
RMS Molded-
TM
®
PM/Plus Trip Units via the Distribution
®
RMS Molded-Case Circuit Breakers with
®
PM Trip Units require connection to a
or
The Power Supply Assembly is rated 24 watts (+24Vdc@
1.0 amp) and has the maximum capacity to power a
Distribution Cable System consisting of either a Voltage
Conditioner Assembly or a Voltage Conditioner Plate
AND 20 Spectra
with microEntelliGuard
Trip Units with a maximum system cable length of 40
feet.
The assembly requires a minimum input voltage of
85Vac @ 60 Hz to operate properly (the maximum
voltage rating is 240Vac @ 60 Hz). This input must
be fused with 2-amp class CC fuses (not included).
The Power Supply Assembly is designed to operate in
temperatures between 0°C and 70°C.
®
RMS Molded-Case Circuit Breakers
TM
or MicroVersaTrip® PM/Plus
GEH-6253 Installation Instructions
Figure 1 shows how the Power Supply Assembly is used in a typical MicroVersaTrip® PM system. Figure 2 shows
how the Power Supply Assembly is used in a typical MicroVersaTrip
®
Plus system. The microEntelliGuard
TM
Trip Unit
can be used with either configuration, i.e. Figure 1 or Figure 2. The connection diagram shown in Figure 2 applies
TM
to microEntelliGuard
Trip Units with Basic Metering.
Figure 1. Typical MicroVersaTrip® PM Trip Unit System detailing the Power Supply Assembly.
GEH-6253 Installation Instructions
Figure 2. Typical MicroVersaTrip® Plus Trip Unit System detailing the Power Supply Assembly.