Startco SE-105 - Ground-Check Termination; Typical Application

Startco Engineering Ltd. Page 2
SE-105 Ground-Fault Ground-Check Monitor Rev. 9
Pub. SE-105-M, November 24, 2005.
F1
F2
CT200
GROUND
GROUND CHECK
UV
120 VAC
GROUND-CHECK
TERMINATION
5.6-V
ZENER
DIODE
5.6-V
ZENER
DIODE
STOP
HOLD-IN
CONTACT
START
USE LOW-
LEVEL
CONTACTS
ALTERNATE TERMINATION CIRCUIT
FOR REMOTE CONTACTOR CONTROL
LOAD
GROUND-FAULT
INDICATOR
GROUND-CHECK
INDICATOR
RESET SWITCH
RED
GREEN
REMOTE INDICATION AND RESET
LN
GC
G
GC
G
R
S
1
R
S
2
C
G
I
G
R
I
+
S
W
K1 K2
SW CI/GI +
GI/RI
TB1
F2
R
S
1
R
S
2
C
G
I
G
R
I
+
S
W
K1 K2
SW CI/GI +
GI/RI
TB1
F2
GROUND-FAULT
INDICATOR
GROUND-CHECK
INDICATOR
RESET SWITCH
RED
GREEN
RK-13 CONNECTION WITH REMOTE INDICATION AND RESET
ALTERNATE
RESET CIRCUIT
24-120 Vac/Vdc
K1 CLOSES ON GROUND-CHECK VALID,
DO NOT USE K1 IN A TRIP CIRCUIT.
K2 CLOSES ON GROUND-FAULT TRIP.
K1 K2
RK-13 CONNECTION WITHOUT REMOTE INDICATION OR RESET
F2
K1 K2
RESETGROUND
FAULT
GF TRIP
TIME (s)
POWER
GROUND
CHECK
CT1 CT2 AB
GICISW
L1
GC
L2
G
MODE GF
0.1 2.0
1.0
4.0 A
2.0 A
0.5 A
SH
UV
STARTCO
ENGINEERING LTD.
GF-GC MONITOR
SE-105
GICISW GC G
STARTCO
ENGINEERING LTD.
GF-GC MONITOR
SE-105
GICISW GC G
STARTCO
ENGINEERING LTD.
GF-GC MONITOR
SE-105
GICISW GC G
STARTCO
ENGINEERING LTD.
GF-GC MONITOR
SE-105
GI
+
CI
SW
GI
+
CI
SW
FIGURE 1. Typical Application.