Hoymiles releases rapid shutdown solution for wide range of input currents

Hoymiles Power Electronics has announced that its latest module-level Rapid Shutdown (RSD) solution for roof-mounted solar systems is now available in the United States.

Designed in compliance with National Electrical Code (NEC) 2017/2020, UL1741 and SunSpec RSD requirements, the Hoymiles HRSD system meets the fire safety standards and offers industry-leading rapid shutdown functionality that can reduce the electrical voltage of solar panel systems to safe levels in less than 30 seconds after being initiated.

Hoymiles rapid shutdown solution includes a rapid shutdown device (HRSD) and a transmitter (or transmitter kit), forming a complete rapid shutdown system with an initiator and a string inverter. It comes in two options that grant the RSD system greater versatility, with HRSD-1C connecting to one PV module and HRSD-2C connecting to two, both supporting an input operating voltage range from 8 V to 80 V. Built to improve PV system and module operating efficiencies, the Hoymiles HRSD boasts a low minimum start-up voltage of only 8 V.

The company says its RSD system is unique in its ability to support a wide range of input currents that include 15 A, 20 A and 25 A. It is equipped with a 0.15/0.45-meter input cable and a 1.2/2.4-meter output cable, and Hoymiles also provides cables with customizable lengths for customers with different needs.

The Hoymiles HRSD system can operate safely and quietly in temperatures ranging from -40 to +85°C, and supports a maximum system voltage of 1,000 V/1,500 V. It features SunSpec power-line communication (PLC), streamlining the installation process and freeing users from extra network setups.

Hoymiles plans to introduce an RSD system loaded with monitoring features in Q3 2022 to help solar installers better evaluate their PV system’s performance and resolve faults more effectively.

News item from Hoymiles Power Electronics

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