Schneider Electric 5.0A User Manual
48049-136-05
Micrologic™ 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units
Rev. 01, 07/2012
Section 4—Trip Unit Replacement
© 1999–2012 Schneider Electric All Rights Reserved
29-EN
EN
G
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ISH
Trip Unit Replacement
Rating Plug Removal
A small Phillips screwdriver is needed to remove
the adjustable rating plug.
the adjustable rating plug.
1. Open switch cover (A).
2. Unscrew adjustable rating plug mounting
screw (B).
3. Remove adjustable rating plug (C). Save for
installation in replacement trip unit.
Figure 41:
Remove Adjustable Rating Plug
Trip Unit Removal
1. Remove connector block (A) from top of trip
unit, if present.
2. Loosen two trip unit screws (B).
3. Slide out trip unit (C).
Figure 42:
Remove Existing Trip Unit
06133205
setting
delay
short
time
I i
x Ir
2
2.5
3
4 5
6
8
8
10
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3
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4
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2
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3
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3
4 5
6
8
8
10
1.5
.4
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.6
.7
.8 .9
.95
.98
.98
1
long
time
alarm
Ir
x In
.5
1
2
4
8 12
16
20
20
tr
(s)
@ 6 Ir
24
06133222
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.5
.6
.7
.8 .9
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delay
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t tim
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I i
x Ir
2
2.5
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4 5
6
8
8
10
Isd
1.5
tsd
on
I
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.2
.3
.4
.4
.1
.2
.3
.1
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ntan
eous
long
time
alarm
Ir
x In
.5
1
2
4
8 12
16
20
20
tr
(s)
@ 6
Ir
24
x In
2
2.5
3
4 5
6
8
8
10
1.5
06133221
A
B
C
06134853
06134854
A
B
C
Battery Installation
If a new trip unit is being installed, install the trip
unit battery.
unit battery.
Install battery holder with battery (A) in trip unit,
observing the correct polarity as indicated on the
battery compartment.
observing the correct polarity as indicated on the
battery compartment.
NOTE: Battery holder with battery is located under the side flap in the
cardboard box the trip unit is shipped in.
cardboard box the trip unit is shipped in.
Figure 43:
Install Battery
Press test/reset button (A). All four indicator
lights (B) should light. If they do not light, check
polarity of battery and retest. If indicator lights
still do not light up when test/reset button is
pressed, stop installation and contact the local
sales office for factory authorized service
lights (B) should light. If they do not light, check
polarity of battery and retest. If indicator lights
still do not light up when test/reset button is
pressed, stop installation and contact the local
sales office for factory authorized service
Figure 44:
Trip Indicator Lights
06
1
333
7
5
LITHIUM BA
TTER
Y
3.6V - SL - 550/S
SONNENSCHEIN
A
Micrologic 6.0 A
06133245
B
A