Introduction
Schweitzer Engineering Laboratories (SEL) focuses on improving the safety, reliability, and economy of electric power systems. Since 1984, SEL has expanded its product and service offerings in power system protection, monitoring, control, automation, and metering.

Company Overview
SEL operates in over 100 countries with more than 40 technical service centers, emphasizing quality, innovation, and customer service. The company is ISO 9001:2000 certified and offers a ten-year warranty.

Quality and Standards
SEL products are certified by UL and CSA and comply with IEEE and IEC standards, ensuring high-quality design, manufacturing, and business processes.

SEL Advantage
SEL provides a comprehensive range of products and services, including a ten-year warranty, local and factory support, continuing education, field-proven reliability, and industry-standard communication protocols.

Industrial Solutions
SEL offers custom solutions for industries such as food processing, oil pipelines, and wastewater treatment. The SEL-7000 Integrated Substation System is noted for its capabilities in control, automation, monitoring, and protection.

Engineering Services
SEL's Systems and Services Division provides engineering services, including integrated substation systems, human-machine interface design, and on-site engineering support.

Software Solutions
SEL offers software solutions like ACSELERATOR QuickSet Designer and SEL-5030 Software for device settings, and SEL-5010 Relay Assistant Software for relay management.

Product Selection Guide
The guide outlines features and applications for SEL products, including motor and generator protection.

Specifications and Features
SEL products support up to 12 DC analog inputs, various serial communication protocols, and are suitable for diverse metering applications. They comply with ANSI C12.20 for revenue metering and offer advanced instrumentation and control features.

Features
Products accept plug-in cards, support Ethernet and Modbus TCP protocols, and are UL/CSA qualified.

Timekeeping and Distribution
SEL provides accurate timekeeping with GPS satellite tracking and IEEE 1344 support.

Software Applications
Software tools include Relay Assistant and ACSELERATOR QuickSet for managing relay settings and event reports.

Connectorized Relays
These relays offer quick installation with high-reliability connectors.

Mounting Options
SEL provides panel-mount and rack-mount options, with additional projection and retrofit options available.

International Offices
SEL has offices in North America, Latin America, Europe, Africa, East Asia, Asia-Pacific Rim, and the Middle East.