GE MDP

GE Power Management MDP Digital Time Overcurrent Relay 1-
3
GEK-100682D 1 INTRODUCTION
1
Figure 1–2: TYPICAL WIRING DIAGRAM
SWITCHGEAR
GROUND BUS
1
110
1A
1A
1A
1A
1B
1B
1B
1B
1C
1C
1C
1C
1G
1G
1G
1G
2
220
POWER
SUPPLY
3
3
4
4
5
5
6
6
7
7
8
8
13
12
11
T
T
52a 52a
TRIP
COIL
ALTERNATIVE CT WIRING
FOR RESIDUAL GROUND SENSING
ZERO SEQUENCE GROUND
SENSING CONNECTION
A
B
C
CONTROL
POWER
CIRCUIT BREAKER
CURRENT INPUTS
CURRENT INPUTS
SHIELDED
TWISTED PAIR
RS232
707754A3.CDR
14
15
16
17
18
GE Power Management
CP7
CP4
CP8
CP5
CP6
TX
RX
COM
CP1
CP3
CP2
9
19
Courtesy of NationalSwitchgear.com