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Publication: PGR-4704-M
Document: P95-C704-00000
Printed in Canada.
POWR-GARD
Ground-Fault Protection
PGR-4704 SERIES
Sensitive Ground-Fault Relay
PGR-4704 MANUAL
SENSITIVE GROUND-FAULT RELAY
JUNE 8, 2009
REVISION 3
P O W R -G A R
S E N S IT IV E G
Copyright © 2009 by Littelfuse, Inc.
All rights reserved.
北京天正恒业电器有限公司
销售热线：010-59790111
公司网址：www.apepo.com
®
D
L T R E L A Y
R O U N D -F A U
P G R -4 7 0 4
P G R -4 7 0 4
S E R IE S
S E R IE S
T R IP
C T
P W R
4 0 0
5 0 0
3 0 0
3 0 0
5 0 0
1 0 0 0
1 0 0
2 0 0
1 0 0 0
1 5 0 0
8 0
1 0 0
3 0 0 0
20 00
6 0
5 5
5 0 0 0
3 0
3 0
1 0
T IM E (m s)
LE V EL (m A )
R E S E T
T E S T
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Related Manuals for Littelfuse POWR-GARD PGR-4704
Summary of Contents for Littelfuse POWR-GARD PGR-4704
- Page 1 20 00 5 0 0 0 T IM E (m s) LE V EL (m A ) R E S E T T E S T Copyright © 2009 by Littelfuse, Inc. All rights reserved. 北京天正恒业电器有限公司 Publication: PGR-4704-M 销售热线：010-59790111 Document: P95-C704-00000 Printed in Canada.
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Page 3: Table Of Contents
2.2.3 Reset ............1 2.2.4 Test............3 Specifications are subject to change without Front-Panel Indication ........3 notice. Littelfuse, Inc. is not liable for contingent or 2.3.1 Power............3 consequential damages, or for expenses sustained 2.3.2 Trip............3 as a result of incorrect application, incorrect 2.3.3 CT Verification.......... - Page 4 Page ii PGR-4704 Sensitive Ground-Fault Relay Rev. 3 This page intentionally left blank. 北京天正恒业电器有限公司 销售热线：010-59790111 公司网址：www.apepo.com ® Pub. PGR-4704-M. June 8, 2009 www.littelfuse.com © 2009 Littelfuse • POWR-GARD...
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Page 5: General
The front-panel RESET switch is peak-detection algorithm with a wider band width for inoperative when the remote-reset terminals are 销售热线：010-59790111 fault detection variable-frequency drive connected. applications. 公司网址：www.apepo.com ® Pub. PGR-4704-M. June 8, 2009 www.littelfuse.com © 2009 Littelfuse • POWR-GARD... -
Page 6: Pgr-4704 Outline And Mounting Details
DIN EN50022 35 mm x 7.5 mm TOP-HAT RAIL. 4. ADJUSTMENT KNOBS ARE REMOVABLE. 北京天正恒业电器有限公司 5. CONFIGURATION SWITCHES SHOWN BOTTOM IN DEFAULT POSITION. 销售热线：010-59790111 FIGURE 1. PGR-4704 Outline and Mounting Details. 公司网址：www.apepo.com ® Pub. PGR-4704-M. June 8, 2009 www.littelfuse.com © 2009 Littelfuse • POWR-GARD... -
Page 7: Test
1. USE ONE ANALOG OUTPUT ONLY. FAULT CONNECTIONS TO BOTH WILL RESULT IN 北京天正恒业电器有限公司 0-5 V INCORRECT OUTPUT VALUES. ANALOG OUTPUTS 0-1 mA NOTE 1 销售热线：010-59790111 PGA-0500 FIGURE 2. Typical Connection Diagram. 公司网址：www.apepo.com ® Pub. PGR-4704-M. June 8, 2009 www.littelfuse.com © 2009 Littelfuse • POWR-GARD... -
Page 8: Pgc-5000-Series Current Transformers
130.0 (5.12) 218.0 (8.58) 203.0 (7.99) 183.0 (7.20) 103.5 (4.07) PGC-5200 200.0 (7.87) 309.0 (12.17) 290.0 (11.41) 270.0 (10.63) 150.0 (5.90) 北京天正恒业电器有限公司 FIGURE 3. PGC-5000-Series Current Transformers. 销售热线：010-59790111 公司网址：www.apepo.com ® Pub. PGR-4704-M. June 8, 2009 www.littelfuse.com © 2009 Littelfuse • POWR-GARD... -
Page 9: Pgk-0055 Panel-Mount Adapter
CONNECT WIRING TO TERMINALS. ALTERNATE INSTALL BEZEL USING 6-32 x 0.31 SCREWS CONFIGURATIONS PROVIDED. NOTE: 1. DIMENSIONS IN MILLIMETRES (INCHES). PANEL CUTOUT DETAIL FIGURE 4. PGK-0055 Panel-Mount Adapter. 北京天正恒业电器有限公司 销售热线：010-59790111 公司网址：www.apepo.com ® Pub. PGR-4704-M. June 8, 2009 www.littelfuse.com © 2009 Littelfuse • POWR-GARD... -
Page 10: Pgk-0060 Panel-Mount Adapter
ATTACH COVER USING THUMB SCREWS CONFIGURATIONS PROVIDED. NOTE: 1. DIMENSIONS IN MILLIMETRES (INCHES). 2. MEETS NEMA3, IP53. PANEL CUTOUT DETAIL FIGURE 5. PGK-0060 Panel-Mount Adapter. 北京天正恒业电器有限公司 销售热线：010-59790111 公司网址：www.apepo.com ® Pub. PGR-4704-M. June 8, 2009 www.littelfuse.com © 2009 Littelfuse • POWR-GARD... -
Page 11: Technical Specifications
Terminal 3…………… 0 to 1 mA Maximum lead resistance of 2 Ω. 销售热线：010-59790111 Terminal 8…………….0 to 5 Vdc Trip time at 3 x trip-level setting. Peak algorithm for trip-level settings ≥1,000 mA. 公司网址：www.apepo.com ® Pub. PGR-4704-M. June 8, 2009 www.littelfuse.com © 2009 Littelfuse • POWR-GARD... -
Page 12: Ordering Information
PGK-0055 ..Panel-Mount Adapter, NEMA 1 100, & 200 ms PGK-0060 ..Panel-Mount Adapter, NEMA 3, IP53 PGK-0003 ..Adapter Plate, GEC/MCGG Consult factory for custom mounting adapters. 北京天正恒业电器有限公司 销售热线：010-59790111 公司网址：www.apepo.com ® Pub. PGR-4704-M. June 8, 2009 www.littelfuse.com © 2009 Littelfuse • POWR-GARD... -
Page 13: Performance Test
Note: Do not inject test current directly into CT-input terminals 4 and 5. Retain this record for the authority having jurisdiction. 北京天正恒业电器有限公司 销售热线：010-59790111 公司网址：www.apepo.com ® Pub. PGR-4704-M. June 8, 2009 www.littelfuse.com © 2009 Littelfuse • POWR-GARD... - Page 14 Page 10 PGR-4704 Sensitive Ground-Fault Relay Rev. 3 This page intentionally left blank. 北京天正恒业电器有限公司 销售热线：010-59790111 公司网址：www.apepo.com ® Pub. PGR-4704-M. June 8, 2009 www.littelfuse.com © 2009 Littelfuse • POWR-GARD...