Compliant with NEC rapid shutdown requirements (within 30 seconds). CSA-tested R Series rapid shutdown devices can complete shutdown within 15 seconds, reducing module voltage to below 1V for enhanced safety.

Equipped with a self-developed, patented thermal-sensing hardware protection module to ensure stable operation of the device itself, delivering reliable and long-term safety.

Certified to UL 1741 and UL 3741, and fully compliant with multiple international standards including CE and FCC.

In addition to automatic shutdown and manual emergency stop modes, the system supports remote shutdown via mobile App. Using the Acloud EOS mobile application, operators can remotely shut down the entire PV plant anytime, anywhere.

Compatible with all PV modules up to 800W and seamlessly interoperable with mainstream string inverters on the market.

Featuring IP68 protection rating and the highest material flame-retardant grade UL94 V-5A, with excellent resistance to high temperatures, aging, and UV exposure—designed for diverse climates and harsh operating environments.