html{display:none} SEL-4520 Arc-Flash Test Module - Documentation | Schweitzer Engineering Laboratories
    SEL recently launched improvements to the website navigation menu!Learn more about the enhancements.

    Documentation

    Featured

    Instruction Manual

    Literature

    Documents sorted by newest first.

    Literature

    Flyers

    Instruction Manuals

    Instruction Sheets

    Ordering Information

    Publications

    Drawings