Page i
PGR-4704 Sensitive Ground-Fault Relay
Rev.
3
Pub. PGR-4704-M. June 8, 2009
www.littelfuse.com ©
2009 Littelfuse • POWR-GARD
®
TABLE OF CONTENTS
Page
Table of Contents............................................................i
List of Figures..................................................................i
List of Tables ...................................................................i
1. GENERAL
.......................................................... 1
2. OPERATION
...................................................... 1
2.1 Configuration-Switch Settings............................ 1
2.1.1
Relay
Operating Mode............................. 1
2.1.2
Filter
Selection.......................................... 1
2.1.3
CT
Verification.......................................... 1
2.1.4
Reset Mode.............................................. 1
2.1.5
Analog Output .......................................... 1
2.2 Front-Panel
Controls .......................................... 1
2.2.1
Ground-Fault Trip Level........................... 1
2.2.2
Ground-Fault Trip Time ........................... 1
2.2.3
Reset ........................................................ 1
2.2.4
Test........................................................... 3
2.3 Front-Panel
Indication ........................................ 3
2.3.1
Power........................................................ 3
2.3.2
Trip............................................................ 3
2.3.3
CT
Verification.......................................... 3
2.4 Analog
Outputs................................................... 3
2.5 Self
Diagnostics.................................................. 3
3. INSTALLATION
................................................. 3
4. TECHNICAL
SPECIFICATIONS
...................... 7
5. ORDERING
INFORMATION
............................. 8
6. PERFORMANCE
TEST
.................................... 9
LIST OF FIGURES
Page
1.
PGR-4704 Outline and Mounting Details.......... 2
2.
Typical Connection Diagram.............................. 3
3. PGC-5000-Series
Current
Transformers .......... 4
4.
PGK-0055 Panel-Mount Adapter....................... 5
5
PGK-0060 Panel-Mount Adapter....................... 6
6. Ground-Fault-Test
Circuit................................... 9
LIST OF TABLES
Page
1. Ground-Fault-Test
Record................................. 9
DISCLAIMER
Specifications are subject to change without
notice. Littelfuse, Inc. is not liable for contingent or
consequential damages, or for expenses sustained
as a result of incorrect application, incorrect
adjustment, or a malfunction.
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公司网址：www.apepo.com
