SunSpec Communication Signal for Rapid Shutdown Specifications 

The SunSpec Certified program for Rapid Shutdown verifies compliance to the SunSpec Communication Signal for Rapid Shutdown Functional Specification to meet the requirement established by National Electrical Code (NEC) 2017. PV module-level power control and safety (“rapid shutdown”) is required in 24 states starting in January 2019 and will affect millions of PV panels and all solar inverters. This standard is tested using UL 1741 SA criteria.

The SunSpec Communication Signal for Rapid Shutdown Specifications package includes:

  • Rapid Shutdown Fact Sheet
  • SunSpec Communication Signal for Rapid Shutdown Functional Specification
  • SunSpec Communication Signal for Rapid Shutdown Test Specification
  • PICS Template

  

Download SunSpec Communication Signal for Rapid Shutdown Specifications