Power Requirements; 1-7 Trip Unit Information; Trip Unit Label Information; Function Keys - GE MicroVersaTrip Plus Series User Manual

Power Requirements

small amount of power is necessary to energize the
A
liquid crystal display (LCD) during setup, for viewing
breaker status, and for m e tering displays .
MicroVersaTrip PM Trip Units require external
Vdc control power for proper operation. The four
sources of such power are the following:
Breaker current sensors provide
Flow of current-
•
sufficient power to energize the LCD when at
least 20% of the sensor's ampere rating is
flowing.
+24
Vdc con trol power -
•
MicroVersaTrip PM Trip Units are supplied with
external +24 Vdc power that, whenever present,
energizes the LCD. Some breaker models that
are configured for MicroVersaTrip Plus Trip
Units may be optionally equipped to accept an
external +24 Vdc supply.
Internal Battery Power -
•
internal battery that powers the unit temporarily
when the
BATTERY
Battery power automatically turns off
after the last keypad press. The battery power
supply is disabled when any current is sensed
through the current sensors.
MicroVersaTrip Portable Power Pack-
•
VersaTrip Portable Power Pack contains a de
power source and a jack. The LCD is energized
when the jack is plugged into the rating plug
test receptacle.
Power Break® II Undervoltage Release and Shunt
•
Trip Accessories -
accessories supply
Unit.

1-7 Trip Unit Information

Trip Unit Label Information

Following are descriptions of the various labels on
the front of the Trip Unit,
circuit breaker series and/ or serial
Extreme top -
•
number of the breaker, unless it is a replace­
ment unit.
Trip Unit-series serial number,
Upper-left corner-
•
as
such RMS9C000143.
Breakers with
The Trip Unit has an
key on the display is pressed.
30 seconds
The Micro­
When energized, these
+24 Vdc power to the Trip
as
illustrated in Figure
TRIP UNIT DESIGNED FOR USE WITH GE
POWER BREAK II S/N:156075432
+24
CAT#:B220LSIGPM
MicroVersaTrip PM™ Trip Unit -
Figure
Upper-right corner-
•
ture code, such
Lower-left corner -
•
as
Unit, such
Lower-right corner-
•
as
such SENSOR (CT) = 2000A.
Below battery cover -
•
MicroVersaTrip Plus or MicroVersaTrip PM.
There are several other labels on the Trip Unit that
are not generally visible when the unit is plugged
into a breaker:
Under battery cover-
•
Side of unit-
•
coded serial number of unit.
Rear of unit
•
-
Trip Units also have a label to indicate which
accessory functions are activated by the rear­
panel DIP switches.

Function Keys

5.
The Trip Unit has four function keys and a battery
enable key. These are marked
and
VALUE, ENTER,
All setup, status, and metering functions and displays
are accessed through these keys.
entered, it is stored in the Trip Unit's nonvolatile
7
1. Introduction
Se
5. Labels on front of Trip Unit.
Trip Unit date of manufac­
as
E439=.
catalog number of the Trip
B220LSIGPM .
sensor rating of the Trip Unit,
indicates whether the unit is
yellow caution label.
bar-coded catalog number and bar­
yellow caution label. RMS9D-series
F U N CT I O N , S ELECT,
as
illustrated in Figure 6.
BATTERY,
As each set point is
Ci rcuit Breaker
s
erial Number
Tr ip Unit Date
Manufacture
Code
Se rial Number
Trip Unit
alog Number
Trip Unit
nsor Rating
Indicates
croVersaTrip
p
M Trip Unit