Mitsubishi Electric MELPRO MOC-A3T-R, Instruction Manual

Page: 11 / 23

11 JEP0-IL9553
Time-lag element
Fig. 1-1-2 Operating time characteristics
0.01
0.1
1
10
100
1000
1 10
Op
era
tin
g t
im
e
T
(s
)
Current (multiples to the setting) I
NI characteristic
2 5 20
2.5
5
～
10
20
Dial
D=
1
1.5
2
3
0.5
0.25
～
0.01
0.1
1
10
100
1000
1 10
Op
era
tin
g t
im
e
T
(s
)
Current (multiples to the setting) I
DT characteristic
2 5 20
2.5
5
～
10
20
Dial
D=
1
1.5
2
3
0.5
0.25
3.5
4
6
Normal inverse (NI): T =
0.14
𝐼
0.02
−1
×
𝐷
10
(s) Definite time (DT): T = 2 ×
𝐷
10
(s)