Schneider Electric 3.0A User Manual
48049-136-05
Micrologic™ 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units
Rev. 01, 07/2012
Section 3—Operation
© 1999–2012 Schneider Electric All Rights Reserved
21-EN
EN
G
L
ISH
2. Set time delay.
Figure 26:
Set Time Delay
Micrologic 3.0A Trip Unit
1. Set pickup levels.
Figure 27:
Set Pickup Levels
2. Set time delay.
Figure 28:
Set Time Delay
Micrologic 5.0A Trip Unit
1. Set pickup levels.
Figure 29:
Set Pickup Levels
long time
alarm
.5
1
2
4
8
12
16
20
20
tr
(s)
@ 6 Ir
24
06133211
0
I
t
tr
06133212
6 x Ir
1 s
tr = 1 s (at 6 x Ir)
0
I
t
Ir
Ii
06133210
Ii = 3 x In = 6000 A
alarm
x In
2
3
4
5 6
8
10
12
1.5
setting
Ii
instantaneous
.4
.5
.6
.7
.8
.9
.95
.98
.98
1
long time
Ir
x In
06133209
In = 2000 A
Ir = 0.7 x In = 1400 A
14
00 A
00 A
600
0 A
long time
alarm
.5
1
2
4
8
12
16
20
20
tr
(s)
@ 6 Ir
24
06133211
0
I
t
tr
06133212
6 x Ir
1 s
tr = 1 s (at 6 x Ir)
06133213
.4
.5
.6
.7
.8
.9
.95
.98
.98
1
setting
short time
I i
x Ir
2
2.5
3
4
5
6
8
8
10
Isd
1.5
off
instantaneous
long time
alarm
Ir
x In
x In
3
4
6
8
10
12
15
15
off
2
Ir
Isd
Ii
0
I
t
06133214
Ii = 6 x In = 12000 A
In = 2000 A
Ir = 0.7 x In = 1400 A
Isd = 2 x Ir = 2800 A
14
00 A
00 A
2800
A
12
000 A
000 A