PROTECTION RELAYS & CONTROLS CATALOG PROTECTION RELAYS & CONTROLS CATALOG MOTOR & PUMP PROTECTION Littelfuse World Headquarters 8755 West Higgins Road, Suite 500 Chicago, IL 60631, USA Technical Support: Tel: +1-800-TEC-FUSE E-mail: [email protected] Customer Service: Tel: +1-800-227-0029 E-mail: [email protected] Fax: +1-847-787-5190 Littelfuse SymCom 222 Disk Drive Rapid City, SD 57701, USA Technical Support: Tel: +1-800-832-3873 E-mail: [email protected] Customer Service: Tel: +1-800-227-0029 E-mail: [email protected] Fax: + 1-605-348-5685 Littelfuse Startco 3714 Kinnear Place Saskatoon, SK S7P 0A6 Canada Tel: +1-306-373-5505 Fax: +1-306-374-2245 E-mail: [email protected] ARC-FLASH PROTECTION Littelfuse products are certified to many standards around the world. To check certifications on specific product please refer to the product datasheet on Littelfuse.com. Specifications, descriptions and illustrative material in this literature are as accurate as known at the time of publication, but are subject to changes without notice. Visit Littelfuse.com for the most up-to-date technical information. © 2017 Littelfuse, Inc. GROUND-FAULT PROTECTION SWITCHING RELAYS & CONTROLS RESISTANCE GROUNDING/NGR MONITORING PUMP CONTROLLERS FEEDER PROTECTION GROUND-CONDUCTOR MONITORING AC SYSTEM MONITORS/LOAD SENSORS TOWER AND OBSTRUCTION LIGHTING CONTROL

Over 1000 Littelfuse MotorSaver ®, PumpSaver ®, and SSAC parts added! Local Resources for a GLOBAL Market Trollhättan Swindon Saskatoon Bellingham Rapid City Chicago Champaign Piedras Negras Muzquiz Norwich Bremen Lake Mills Boston Noida Wuxi Suzhou Dongguan Shenzhen Seoul Shanghai Taipei Hong Kong Lipa City AF0500 with zone protection and AF0100 with compact, cost-effective design AF0500 Arc-Flash Relay Fuses and Fuse Holders Catalog (PF101N) Littelfuse offers a complete circuit protection portfolio of industrial power fuses, including time-saving indication products for an instant visual blown-fuse...

COMMON PROBLEMS - Insulation breakdown due to vibration and corrosion - Ground-fault currents often exceed short-circuit current - Arc-flash hazard from local and paralleled generators - Overloading and overvoltage PRODUCT PROTECTION CATEGORY (PG NO.) Ground Fault (pg 43) Resistance Grounding (pg 61) Arc Flash (pg 73) Resistance Grounding (pg 61) Feeder (pg 69) By Product Category & Common Questions: Product Selection Guide □ ARC-FLASH PROTECTION STEP 1 Select product category STEP 2 Select the needed features in each category STEP 3 Find the recommended product for your application

Expertise Applied | Answers Delivered Protection Relays & Controls TABLE OF CONTENTS FIND THE RIGHT PRODUCT FOR YOUR APPLICATION FEEDER PROTECTION_ FPS Series Feeder Protection System ARC-FLASH PROTECTION GROUND-FAULT PROTECTION SWITCHING RELAYS & CONTROLS MOTOR & PUMP PROTECTION RESISTANCE GROUNDING/ NGR MONITORING 777 / 77C Series Single-Phase Current & Voltage Monitor ... 118 77C-KW/HP Series Single-Phase Current & Voltage Monitor ...125 www.littelfuse.com/relayscontrols 2 ©2017 Littelfuse Protection Relays & Controls

Protection Relays & Controls Llttelfuse' Expertise Applied | Answers Delivered TABLE OF CONTENTS PUMP CONTROLS/ LIQUID LEVEL CONTROLS ACBC-120 Series Alarm Controller / Battery Charging Unit ..130 AC SYSTEM MONITORS/LOAD SENSORS REMOTE INDICATION & MONITORING COMMUNICATION MODULES COM 4-20 Output Module for use with the 777-AccuPower...261 ©2017 Littelfuse Protection Relays & Controls 3 www.littelfuse.com/relayscontrols

Protection Relays & Controls 12 TIME DELAY RELAYS ©2017 Littelfuse Protection Relays & Controls

Protection Relays & Controls LIGHTING CONTROLS Flashers FSU1000 Series FS100 Series FS100 Series FS200 Series FS300 Series FS491 FS500 Series SC3 / SC4 Series ©2017 Littelfuse Protection Relays & Controls

Uttelfuse* Expertise Applied | Answers Delivered Protection Relays & Controls www.littelfuse.com/relayscontrols 6 ©2017 Littelfuse Protection Relays & Controls

Littdfuse' Expertise Applied | Answers Delivered Protection Relays & Controls Use the feature tables below and the Product Selection Guide on pages 11-41 to choose the appropriate protection relay or monitor for your application. Ground-Fault Protection Relays NOTE: Tables are for reference only and include standard and optional configurations. Please see the respective catalog page for exact product specifications. X Optional ©2017 Littelfuse Protection Relays & Controls

Uttelfuse* Expertise Applied | Answers Delivered Protection Relays & Controls * Other versions exist with different voltage ranges, current monitoring ranges, output contact ratings, and temperature monitoring. Consult specific series datasheets for more details. ** iPhone® and select Android™ smartphones and tablets are supported via Littelfuse app

Littelfuse' Expertise Applied | Answers Delivered Protection Relays & Controls * Other versions exist with different voltage ranges, current monitoring ranges, output contact ratings, and temperature monitoring. Consult specific series datasheets for more details. ** iPhone® and select Android™ smartphones and tablets are supported via Littelfuse app ©2017 Littelfuse Protection Relays & Controls 9 www.

Uttelfuse* Expertise Applied | Answers Delivered Protection Relays & Controls Q Motor & Feeder Protection Relays *Other versions exist with different voltage ranges, current monitoring ranges, output contact ratings, and temperature monitoring. Consult specific series datasheets for more details. ** iPhone® and select Android™ smartphones and tablets are supported via Littelfuse app NOTE: IEEE Device Numbers are shown in parenthesis after the applicable features.

Product Selection Guide PRODUCT SELECTION GUIDE ©2017 Littelfuse Protection Relays & Controls

GROUND-FAULT PROTECTION Detect ground faults on an ungrounded system Detect & Limit Ground Faults Locate Ground Fault & Reduce Transient Overvoltage Detect Low-Level Ground-Faults Currents Solidly Grounded Resintance Girounded Convert System to Resistance Grounding WIDE RANGE Ground-Fault Protection Relays