Littelfuse POWR-GARD Products Catalog - Protection Relays

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expensive damage, downtime or injury due to electrical faults. .... sensitive ground-fault relays with advanced filtering will .... relay can provide a pulsing circuit.
Section Overview Our comprehensive line of single- and multi-function protection relays safeguard equipment and personnel in order to prevent expensive damage, downtime or injury due to electrical faults. The features and flexibility within the products and the software allow you to select the appropriate protection for each part of your electrical system.

protection relays Table of Contents Product Selection Guide.......................................................146-147 Ground-Fault Relays.............................................................148-151 Resistance Grounding Systems...........................................152-153 Motor and Feeder Protection Relays...................................154-158 Supplemental Monitors...............................................................159 Accessories................................................................................ 160

Download our full Protection Relay Catalog For more information on protection relays or to download our fullline relay catalog, visit www.littelfuse.com/ protectionrelays.

© 2010 Littelfuse POWR-GARD® Products Catalog

145

www.littelfuse.com

Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com

Pro Product Selection Guide

RG

select category

GFP

RESISTANCE GroundING

Ground Fault Protection UNGROUNDED DC

UNGROUNDED AC

SOLIDLY GROUNDED AC

Detect Ground Faults

Locate Ground Fault & Reduce Transient Overvoltage

Increase Up-Time & Reduce Potential for Arc Flash

select features

YES

NO

YES

NO

Convert System to Resistance Grounding

Convert System to Resistance Grounding

pg. 153

pg. 153

RESISTANCE GROUNDED AC SYSTEm Pulsing, Digital Filtering, Communications and Software YES

Implement Resistance Grounding

BASIC Ground Fault Protection & Insulation Monitoring

NO

Ground Fault Protection for Generators

recommended prodUct

YES

Detect Insulation Breakdown YES

NO

Ground Fault Alarm Level 10 mA5A

NO

>5 A

PGR-2601 PGR-3200 PGR-3100 PGR-4300 PGR-4704 PGR-5701 pg. 150

pg. 150

pg. 150

pg. 151

pg. 151

pg. 151

PGR-5330 PGM-8325 PGN-1000 & PGN-3000 pg. 153

pg. 153

pg. 153

PGR-6100 pg. 156

Resistance Grounding Systems

Ground-Fault Protection Relays

146 Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com

Protection Relays

FP

MP STANDARD

ADVANCED

PUMPS

BASIC

ADVANCED

Protection for Low-Voltage Motors (