Welcome to the ASCO Website

Welcome to our website.

Choose another country or region

ASCO Model 257 (Edco SHA-1210IRS) Surge Protective Device

120 VAC | 40 kA (L–N), 40 kA (L–G), 13 kA (N–G), 93 kA/Total

The ASCO Model 257 (Edco® 1210IRS) offers greater total peak surge current capacity and better filtering than the model 254 and also incorporates a failure indicator as well as remote sensing circuitry. In addition, the method of wire termination is different, utilising wire leads and terminal block connectors on the Model 257 instead of stud connections.

ASCO Model 257 (Edco SHA-1210IRS) Surge Protective Device

Need a technical document?

Search our download centre 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.