Advertisement
Internal A ccessories
Und ervoltag e Release (UVR) Solenoid
4.) Re-install the trip unit
5 . ) Secure the trip unit in place with the retaining screw located
at the top of the trip unit Torque to 6-8 in. lbs. If trip unit top
is not secured properly, the interlock will prohibit closing of
the breaker.
Monitored Source
-
+
External Breaker Connections
Monitored Source
External Breaker Connections
DC Undervoltage Release Solenoid Schematic Diagram
52
6 ) Replace the front cover of the breaker, being careful not to
pinch wire leads routed to secondary disconnects or termi
nal block. Secure with eight (8) Phillips head screws.
Instal lation of the undervoltage release accessory is
complete.
Undervoltage Release Ratings
Catalog Number
SB4UV1 2
SB4UV24
SB4UV48
SB4UV125
SB4UV120
SB4UV240
SB4UV480
SB4UV600
Wire terminations on terminal block or secondary disconnect
arc shown below.
I
DC Undervoltage Release Schematic
I
-
-
-
-
-
-
-
I
<LT9> UVR+
I
I
I
I
<LT10> UVR-
I
I
-
-
-
-
-
-
-
AC U ndervoltage Release Schematic
I
I
I"'""
-
-
-
-
-
-
I
I
I
I
I
<LT9> UVR+
I
I
I
( I
I
<LT10> UVR-
I
-
-
-
-
-
-
-
Hold-in Current (Amperes)
. 1 2
.06
.03
.02
.02
.02
.02
. 0 2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
I nternal Breaker Connections
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Resis t or
N eeded
If
I nternal Breaker Connections
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Coil Voltage
1 2V de
24V de
48V de
1 25V de
1 20V ae
240V ae
480V ae
600V ae
I
-
-
-
-
-
-
-
-
-
-
-
I
I
I
I
I
I
UVR
I
Coil
I
I
I
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UVR
Coil
I
I
-
-
-
-
-
-
-
-
-
-
-
Advertisement
