120 - 208V


Enhance Commercial and Industrial Equipment Performance

ESP's three-phase surge suppressors safeguard industrial equipment against damage, malfunction, and downtime caused by power quality problems that can bring a business to a halt

  • Advanced surge suppression and conditioning
  • On-board thermal fusing
  • Sine-wave tracking
  • Front panel LED monitor
  • NEMA 1, power-coated steel enclosure
Models: MSF120M12Y, MSF120M240D
  • Overview +

    Armed with all-mode protection, a NEMA 1 powder-coated steel covering, high current handling, an EMI/RFI filter, and fast clamp response technology, ESP’s three-phase surge suppressors are engineered to protect equipment from facility-generated surges, utility grid switching, electronic noise events, and other harmful power disturbances. They offer powerful modular protection at the main or branch panels for most applications. All models have extended headroom and a twenty-year warranty.

    Safeguarding heavy equipment against power problems doesn’t need to be expensive or complicated with ESP’s three-phase solutions.

  • Specifications +

    Contact ESP at 1-800-645-9721 for complete Physical Specs

    Contact ESP at 1-800-645-9721 for complete Electrical Specs

    Standards Compliance
    Complete standards compliance including UL 1449 (3rd Edition)

  • Downloads +

  • Warranty +

    This product includes a limited twenty (20) year product warranty. A protection guarantee that provides you with peace of mind that you’re covered for power related events.

    We guarantee the product will be free from defects in material and workmanship from the date of original purchase for a period of twenty (20) years. In the event there are defects in the material and/or workmanship of your ESP product we will either repair or replace the product at no charge.

    Download Warranty