Welcome to the ASCO Website

Welcome to our website.

Choose another country or region

 

ASCO Model 331 Surge Protective Device

120/240 VAC | 80kA/Phase

The ASCO Model 331 (Edco® EMC-240B) Surge Protective Device is designed to protect AC distribution panel circuits or 120V power supplies feeding sensitive electronic equipment. Electrically, the unit incorporates MOV and thermal fusing technology.

ASCO Model 331 Surge Protective Device
  • Features

    • Fast response time
    • 40,000 Amps per phase capacity
    • UL 1449 listed 


    Benefits

    • Fail-safe and fused
    • Operational status indicators
    • 5 year warranty  

    Applications

    • Transportation

Need a technical document?

Search our download center to find drawings, manuals and data sheets for your product.

Need support?

Contact our support team for technical help and information.

Ready to order?

Find your local ASCO sales representative.