ASCO Model 430 Surge Protective Device

A surge protective device that offers high-end surge capability at a competitive price. The ASCO Model 430 uses thermally protected MOVs, provides EMI/RFI filtering in a package that focuses on basic features and reliable performance.


  • UL 1449 Fourth Edition Listed
  • 100kA — 200kA per phase ratings
  • All UL required OCP & Safety Coordination included inside— Type 1 SPDs intended for Line or Load Side of Main Disconnect— Type 2 SPDs intended for Load Side of Main Disconnect
  • 20kA Inominal
  • 200kA SCCR


  • UL 96A Lightning Protection Master Label compliant (@20kA IN)
  • Voltage Specific Design — Highly configurable
  • All MOV suppression elements monitored
  • All Modes of Protection
  • 10 Year Warranty