Seg HighTECH MRG3 - Time over Current Protection

Manual MRG3 SEG Electronics GmbH
DOK-TD-MRG3, Rev. D 79
7.8.3 Time over current protection
Setting range
Step (range)
Tolerance
I>
20...400 % (EXIT)
1 (20...50)
2 (50...100)
5 (100...200)
10 (200...400)
3% of the set value or
20mA
I_Char
Definite Time
DEFT
tI>
0.04 - 260 s (EXIT)
(definite time)
0.02 (0.04...1.0)
0.05 (1.0...2.0)
0.1 (2.0...5.0)
0.2 (5.0...10)
0.5 (10...20)
1.0 (20...50)
2.0 (50...100)
5.0 (100...200)
10.0 (200...300)
3% or 20 ms
I_Char
Normal Inverse Type “A”
Very Inverse Type “B”
Extremely Inverse Type
“C”
RI - Inverse
Long Time Inverse
NINV
VINV
EINV
RINV
LINV
0.05 - 10 (EXIT)
(inverse time)
0.01 (0.05...0.5)
0.02 (0.5...1.0)
0.05 (1.0...2.0)
0.1 (2.0...5.0)
0.2 (5.0...10.0)
3% of the measuring value
of the current or 20ms (see
EN 60255-3)
tI>Reset
Reset Mode for tripping times
0 s; 60 s
I>>
20...400 % (EXIT)
1 (20...50)
2 (50...100)
5 (100...200)
10 (200...400)
3% of the set value or
10 mA
tI>>
0.04...10 s (EXIT)
0.02 (0.04...0.5)
0.05 (0.5...2.0)
0.1 (2.0...5.0)
0.2 (5.0...10.0)
0.5 (10…20)
1.0 (20…50)
2.0 (50…100)
5.0 (100…200)
10.0 (200…300)
3% or 20 ms
Table 7.3: Time over current protection