Littelfuse PGR-3100 - Connection Diagram for an Ungrounded 240- to 600-V System; Connection Diagram for Ungrounded Systems above 600 V

Page 2
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
L
G
120 V
LAMP
TEST
PGR-3100
GROUND-FAULT
INDICATION SYSTEM
NOTE 1
NOTES:
1. USE L TERMINALS FOR
SYSTEMS UP TO 240 V. USE
H TERMINALS FOR SYSTEMS
ABOVE 240 V UP TO 600 V.
TRANSFORMER
ENCLOSURE
SERVICE
ENCLOSURE
ØA
ØB
ØC
1 A 1 A 1 A
AL AH BL BH CL CH
L
G
120 V
LAMP
TEST
PGR-3100
GROUND-FAULT
INDICATION SYSTEM
NOTES:
1. 120/√3 OR 240/√3 V PT SECONDARY
PT’S
NOTE 1
NOTE 2
2. CODES MAY REQUIRE
INTERLOCKED DISCONNECT
SWITCH
FIGURE 2. Connection Diagram for an Ungrounded 240- to 600-V System.
FIGURE 3. Connection Diagram for Ungrounded Systems above 600 V.