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POWR-GARD
®
Ground-Fault
Protection
PGR-4704
SERIES
Sensitive Ground-Fault Relay
PGR-4704 MANUAL
SENSITIVE GROUND-FAULT RELAY
JUNE 8, 2009
REVISION 3
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)
Copyright © 2009 by Littelfuse, Inc.
All rights reserved.
Publication: PGR-4704-M
Document: P95-C704-00000
Printed in Canada.
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销售热线:010-59790111
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