Littelfuse PGR-3100 - Connection Diagram for Resistance-Grounded System up to 600 V; Connection Diagram for a Resistance-Grounded System above 600 V

Page 3
REV. 6-A-060818
PGR-3100 Ground-Fault Indication System
TRANSFORMER
ENCLOSURE
SERVICE
ENCLOSURE
ØA
ØB
ØC
1 A 1 A 1 A
AL AH BL BH CL CH
120 V
LAMP
TEST
PGR-3100
GROUND-FAULT
INDICATION SYSTEM
L
G
NEUTRAL
GROUNDING
RESISTOR
NOTES:
1. USE L TERMINALS FOR SYSTEMS UP TO
240 V. USE H TERMINALS OF SYSTEMS
ABOVE 240 V AND UP TO 600 V.
NOTE 1
TRANSFORMER
ENCLOSURE
SERVICE
ENCLOSURE
ØA
ØB
ØC
1 A 1 A 1 A
AL AH BL BH CL CH
120 V
LAMP
TEST
PGR-3100
GROUND-FAULT
INDICATION SYSTEM
L
G
NEUTRAL
GROUNDING
RESISTOR
PT’S
NOTES 1&2
NOTES:
2. CONTACT FACTORY FOR
NGR-MONITOR COMPATIBILITY.
1. 120/√3 OR 240/√3 V PT SECONDARY
NOTE 3
3. CODES MAY REQUIRE
INTERLOCKED DISCONNECT
SWITCH
FIGURE 4. Connection Diagram for a Resistance-Grounded System up to 600 V.
FIGURE 5. Connection Diagram for Resistance-Grounded Systems above 600 V.