Page 5
PGR-4704 Sensitive Ground-Fault Relay
Rev.
3
Pub. PGR-4704-M. June 8, 2009
www.littelfuse.com ©
2009 Littelfuse • POWR-GARD
®
85.0
85.0
42.5
(3.35)
(3.35)
(1.67)
FRONT VIEW
85.0
72.0
60.0
2.0 (0.08) RAD
MAXIMUM
ALTERNATE
CONFIGURATIONS
4.0 (0.16) DIA
8.7 (0.34) DIA
4.3 (0.17) RAD
6.0
6.0
42.5
30.0
60.0
9.5
9.5
79.0
(3.35)
(2.83)
(2.36)
(0.24)
(0.24)
(3.1
1)
(1.67)
(1.18)
(2.36)
(0.37)
(0.37)
INSTALLATION INSTRUCTIONS:
NOTE:
PANEL CUTOUT DETAIL
REMOVE BEZEL AND LATCH RELAY TO
BRACKET.
INSERT BRACKET THROUGH FRONT OF PANEL
CUTOUT AND SECURE WITH FLAT WASHERS
AND LOCKNUTS PROVIDED.
CONNECT WIRING TO TERMINALS.
INSTALL BEZEL USING 6-32 x 0.31 SCREWS
PROVIDED.
1.
2.
3.
4.
1. DIMENSIONS IN MILLIMETRES (INCHES).
110.0
75.0
(4.33)
(2.95)
PANEL THICKNESS
1.6 (0.06) TO 4.8 (0.19)
SIDE VIEW
55 mm (2.2) WIDE
RELAY
BRACKET
6-32
6-32
TEST
400
30
300
200
100
55
500
1000
1500
2000
PWR
RESET
POWR-GARD
PGR-4704
SERIES
PGR-4704
SERIES
SENSITIVE GROUND-FAULT RELAY
TIME (ms)
CT
TRIP
300
10
100
80
60
30
500
1000
3000
5000
LEVEL (mA)
FIGURE 4. PGK-0055 Panel-Mount Adapter.
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