Littelfuse POWR-GARD PGR-4704 Manual Download | Manualshive

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Page 10

PGR-4704 Sensitive Ground-Fault Relay

Rev.

3

Pub. PGR-4704-M. June 8, 2009

www.littelfuse.com ©

2009 Littelfuse • POWR-GARD

®

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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

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Summary of Contents for POWR-GARD PGR-4704

Page 1: ...ION 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 Cop...

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Page 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 FIGU...

Page 4: ...Page ii PGR 4704 Sensitive Ground Fault Relay Rev 3 Pub PGR 4704 M June 8 2009 www littelfuse com 2009 Littelfuse POWR GARD This page intentionally left blank 010 59790111 www apepo com...

Page 5: ...ower trip levels to be used by rejecting harmonics that can cause nuisance tripping The VARIABLE FREQUENCY setting uses a peak detection algorithm with a wider band width for fault detection in variab...

Page 6: ...ILLIMETRES INCHES 2 MOUNTING SCREWS M4 OR 8 32 3 OVERALL DIMENSION WHEN MOUNTED ON DIN EN50022 35 mm x 7 5 mm TOP HAT RAIL 4 ADJUSTMENT KNOBS ARE REMOVABLE 5 CONFIGURATION SWITCHES SHOWN IN DEFAULT PO...

Page 7: ...local electrical codes Check all applicable codes prior to installation This ground fault monitoring system consists of a PGR 4704 ground fault relay and a PGC 5000 series CT connected as shown in Fig...

Page 8: ...8 2 39 95 0 3 74 130 0 5 12 200 0 7 87 99 0 3 90 132 0 5 20 175 0 6 89 218 0 8 58 309 0 12 17 92 0 3 62 115 0 4 53 158 0 6 22 203 0 7 99 290 0 11 41 75 0 2 95 98 0 3 86 141 0 5 55 183 0 7 20 270 0 10...

Page 9: ...VE BEZEL AND LATCH RELAY TO BRACKET INSERT BRACKET THROUGH FRONT OF PANEL CUTOUT AND SECURE WITH FLAT WASHERS AND LOCKNUTS PROVIDED CONNECTWIRINGTOTERMINALS INSTALL BEZEL USING 6 32 x 0 31 SCREWS PROV...

Page 10: ...CH RELAY TO BRACKET INSERT BRACKET THROUGH FRONT OF PANEL CUTOUT AND SECURE WITH FLAT WASHERS AND LOCKNUTS PROVIDED CONNECTWIRINGTOTERMINALS ATTACH COVER USING THUMB SCREWS PROVIDED 1 2 3 4 1 DIMENSIO...

Page 11: ...t Modes of 5 A or of Trip Level Setting Range Terminal 3 0 to 1 mA Terminal 8 0 to 5 Vdc Output Impedance Terminal 3 4 970 Terminal 8 220 Reset Front Panel Switch and Remote N O Contact Functional Tes...

Page 12: ...terruption IEC 255 22 11 EN 60255 11 100 for 2 5 10 20 50 100 200 ms MHz Burst IEC 255 22 1 EN 60255 22 1 1 kV Differential Mode 2 5 kV Common Mode RFI Compliance FCC Part 15 Subpart B Class A Uninten...

Page 13: ...n of the circuit interrupting device in response to a simulated or controlled ground fault current To simulate ground fault current use CT primary current injection Fig 6 shows a test circuit using th...

Page 14: ...Page 10 PGR 4704 Sensitive Ground Fault Relay Rev 3 Pub PGR 4704 M June 8 2009 www littelfuse com 2009 Littelfuse POWR GARD This page intentionally left blank 010 59790111 www apepo com...

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