1 General (E1 General (E
1 General (E1 General (E
1 General (E
TU)TU)
TU)TU)
TU) 40
1.1
Introduction
1.2 There are three types of Electronic Trip Unit (E TU)
1.3 Functional Features
1.4
Terminolog y (APPENDIX -G )
2 Pictur2 Pictur
2 Pictur2 Pictur
2 Pictur
e(M-PRe(M-PR
e(M-PRe(M-PR
e(M-PR
OPLOPL
OPLOPL
OPL
US)US)
US)US)
US) 41
3 Operator Contr3 Operator Contr
3 Operator Contr3 Operator Contr
3 Operator Contr
olsols
olsols
ols 42
3.1 Setting Current (Ir)
3.2 Short Time Pickup (Im)
3.3 Short Time Delay
3.4 Instantaneous protection 43
3.5 Earth Fault Pickup (If) - OPTIONAL
3.6 Earth Fault Delay - OPTIONAL
3.7 Reset 44
3.8 Navigation Table
4 Pictur4 Pictur
4 Pictur4 Pictur
4 Pictur
e(M-PRe(M-PR
e(M-PRe(M-PR
e(M-PR
O)O)
O)O)
O) 45
4.1 M-PRO 30/40
5 Operator Contr5 Operator Contr
5 Operator Contr5 Operator Contr
5 Operator Contr
olsols
olsols
ols 46
5.1 Button Operation
5.2 Menu Structure 48
6 pr6 pr
6 pr6 pr
6 pr
otectionotection
otectionotection
otection 54
6.1 Earth Fault Protection
6.2 Example to Set unrestricted Earth Fault time to 0.5 Seconds 56
7 T7 T
7 T7 T
7 T
esting Eesting E
esting Eesting E
esting E
TUTU
TU
TU
TU 58
7.1 SELF TEST TRIP
7.2 Powering Mpro Plus/Mpro 30/Mpro 40
7.3 Test Connector & Test box
7.4 Connection
7.5 Applicable for M-ProPlus / M-Pro
7.6 Fitting Instruction - Accessories 59
8 Tr8 Tr
8 Tr8 Tr
8 Tr
ouble Shootingouble Shooting
ouble Shootingouble Shooting
ouble Shooting 64