Type AKR Breakers Tri p Devices
MicroVersaTrip
RMS-9 Tripping Functions
R
Current Setting (Standard)
The adjustable current
setting determines the
nominal long time current
setting with a
±
1 0% band
width . With a 1 . 1 setting the
breaker will carry indefinitely
without tripping the rating
plug rating . Changing the
setting changes the norminal
current rating for the breaker.
Long-Tim e Delay (Standard)
This long-time delay adjust
ment varies the time it will
take the breaker to trip under
sustained overload condi
tions. It provides the function
of withstanding momentary
overloads such as motor
starting, welding, or other
overcurrent conditions with
out interrupting the service.
Long-Time
Light (Standard)
Pickup
The long-time pickup light
provides visual indication
that the breaker is experi-
encing an overload condi-
tion. Indication is provided
by a light-emitting diode
(LED) which is only activated
prior to trip-out and during
long-time time-out. Saves
test and system start up time.
S hort-Time
(Optional)
Pickup
This short-time picKup
adjustment controls the level
of high current the breaker
can carry for short periods of
time without tripping. Per-
mits downstream breakers
to clear short circuit faults
without tripping out the
upstream protective device.
18
CURRENT SETTING
1.1X
SETTING( C)
LONG TIME DELAY
2
3
, � .
DELAY
RATING PLUG
CAT. NO. TR20S2000
•
0
TEST
x�2ooo A
S�2000A
PICKUP
PICKUP
®
SHORT TIME PICKUP
2.5C
3C
2C
C
�
1.5C
SC
7C
9C
SHORT-TIME
PICKUP