Welcome to the ASCO Website

Welcome to our website.

Choose another country or region

ASCO Model 330 Surge Protective Device

120 - 480VAC | 160kA/Phase

The ASCO model 330 Surge Protective Device provides highly configurable Voltage designs and 160kA per phase ratings.

ASCO Model 330 Surge Protective Device
Contact sales

Need a technical document?

Search our Download Center to find drawings, manuals and datasheets for your product.

Need support?

Contact our support team for technical help and information.

Ready to order?

Find your local ASCO sales representative to talk about generator transfer switches.