Schneider Electric 3.0A User Manual
Micrologic™ 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units
48049-136-05
Section 3—Operation
Rev. 01, 07/2012
© 1999–2012 Schneider Electric All Rights Reserved
22-EN
ENGLISH
2. Set time delay.
Figure 30:
Set Time Delays
Micrologic 6.0A Trip Unit
1. Set pickup levels.
Figure 31:
Set Pickup Levels
2. Set time delays.
Figure 32:
Set Pickup Levels
short time
long time
alarm
.5
1
2
4
8
12
16
20
20
tr
(s)
@ 6 Ir
24
delay
tsd
on
I
2
t
.
2
.
3
.
4
.
4
.
1
.
2
.
3
.
1
0
I
2
t on
I
2
t off
06133215
tr
tsd
0
t
06133217
6 x Ir
1 s
10 x Ir
0.2 s
tr = 1 s (at 6 x Ir)
tsd = 0.2 s I
2
t on
Ir
Isd
Ii
0
I
t
06133214
0
I
t
Ig
06
1
33359
640
A
short time
instantaneous
long time
alarm
ground fault
setting
.4
.5
.6
.7
.8
.9
.95
.98
.98
1
Ir
x In
x Ir
2
2.5
3
4
5
6
8
8
1
Is
1.5
B
C
D
E
F
G
H
H
J
Ig
A
I
x In
3
4
6
8
10
12
15
15
off
2
06133357
Ii = 6 x In = 12000 A
In = 2000 A
Ir = 0.7 x In = 1400 A
Isd = 2 x Ir = 2800 A
B
oIg = 640 A
1
400 A
280
0 A
1
2000
A
short time
instantaneous
long time
alarm
ground fault
.5
1
2
4
8
12
16
20
20
tr
(s)
@ 6 Ir
24
delay
tsd
(s)
on
I
2
t
.
2
.
3
.
4
.
4
.
1
.
2
.
3
.
1
0
off
tg
(s)
on
I
2
t
.
2
.
3
.
4
.
4
.
1
.
2
.
3
.
1
0
off
I
2
t on
I
2
t off
06133358
tr
tsd
0
I
t
06133217
6 x Ir
1 s
10 x Ir
0.2 s
0
I
t
tg
06
1
3336
1
tr = 1 s (at 6 x Ir)
tsd = 0.2 s I
2
t on
tg = 0.2 s I
2
t on
0.2 s