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Schweitzer Engineering Laboratories
SEL 2008 Product Catalog EOS Mfg

SEL 2008 Product Catalog EOS Mfg

Product catalog summary

Company Overview
E. O. Schweitzer Manufacturing (EOS), a division of Schweitzer Engineering Laboratories (SEL) since 2005, specializes in designing and manufacturing fault indicators and sensors for electric power systems. Their products are used globally by over 1,000 customers to enhance the safety, reliability, and economy of electric power.

Letter From the President
Edmund O. Schweitzer, III, President of SEL, highlights the company's dedication to innovation and customer service, with solutions like the RadioRANGER Wireless Fault Indication System aimed at improving power reliability and reducing outage times. SEL offers extensive warranties on its products.

Product Index
The catalog includes a comprehensive list of products such as overhead and underground fault indicators, the RadioRANGER Wireless Fault Indication System, and various tools and sensors, each detailed with features, applications, and ordering information.

Fault Indicators and Sensors
SEL fault indicators are designed for both overhead and underground applications, offering various display options and reset mechanisms. The RadioRANGER system enhances safety and efficiency by allowing fault detection without physical vault access.

Applying SEL Fault Indicators
In underground systems, fault indicators are placed on transformers to quickly identify faulted sections. The RadioRANGER system uses radio frequency to communicate fault status, simplifying fault location. In overhead systems, visible displays guide line crews to faulted sections, improving response times.

Conclusion
SEL's fault indicators and sensors are integral to improving the reliability and efficiency of electric power distribution systems. The company's focus on innovation and customer satisfaction ensures continued advancement in fault detection technology.

Specifications
The document outlines specifications for various models of fault indicators, including power source, nominal trip ratings, system voltage range, reset time, display features, maximum fault current, and temperature range. For instance, the ERL model uses an electric field potential gradient as its power source and has a nominal trip rating of 50 to 1200 A.

Key Features
The fault indicators feature dual-display systems with LED and reflective red targets for visibility in various lighting conditions. They include automatic reset functions, inrush restraint to prevent false tripping, and are made from UV-stabilized materials for durability.

Installation and Usage
The indicators are designed for easy installation using a hot stick and are suitable for strategic placement along overhead conductors and midfeeder disconnects to optimize reliability and minimize fault-finding time.

Ordering Information
The document provides instructions for creating part numbers for ordering, detailing various options and configurations available for different models, such as the AutoRANGER and BEACON series.

Underground Fault Indicators
The document also covers underground fault indicators, including the RadioRANGER Wireless Fault Indication System, which allows for street-level retrieval of fault-indicator status, enhancing safety and efficiency by reducing the need to access vaults.

Conclusion
E. O. Schweitzer Manufacturing offers a comprehensive range of fault indicators with advanced features to improve fault detection and system reliability in both overhead and underground applications.

Top Ten Reasons to Use SEL Fault Indicators

Cut Fault-Finding Time in Half: Fault indicators can reduce fault-finding time by 50% or more, improving reliability indices and reducing costs.
Improve Line Crew Safety: Minimizes the need for reclosing and sectionalizing, enhancing safety for line crews.
Multiple Displays and Features: Offers various models and features for easier troubleshooting.
Zero or Little Maintenance: Requires minimal maintenance, with options for battery-free models.
Locate Temporary and Permanent Faults: Helps efficiently locate faults, improving distribution reliability.
Restore Power Faster: Allows for quicker power restoration to unaffected system portions.
Complete the Job: Complements SEL relays by guiding line crews to the correct fault location.
Customer Service and Warranty: Offers extensive warranties on products.
Easy Installation: Designed for easy installation without special tools.
Proven Effectiveness: Effective in improving system reliability and reducing outage times.

SEL 2008 Product Catalog EOS Mfg

SEL 2008 Product Catalog EOS Mfg

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