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HOYMILES Rapid Shutdown (HRSD-1C)

As part of Hoymiles rapid shutdown solution for PV system, HRSD-1C can be connected with one module. It meets NEC 2017, NEC 2020, UL 1741 and SunSpec Rapid Shutdown requirements, guaranteeing PV system safety.

When installed with and receiving a “permission to operate” signal from Hoymiles Transmitter, HRSD starts proper operation of PV system. In case of emergency, PV system would enter module-level rapid shutdown mode by simply disconnecting the AC power of Transmitter or using an external initiator.