APsmart RSD-D Dual-Module Rapid Shutdown Device The APsmart RSD-D is a specialized safety solution that provides rapid shutdown for two solar modules simultaneously. Fully compliant with SunSpec interoperability protocols, this device uses Power Line Communication (PLC) to integrate seamlessly with compatible SunSpec-certified inverters. It is an ideal choice for installers looking to satisfy NEC 2017 & 2020 690.12 requirements while minimizing the total number of components on the roof. Cost-Effective Dual-Module Safety Dual-Module Control: Monitors and shuts down two PV modules with a single unit, reducing labor and hardware costs. SunSpec Certified: Communicates via PLC for broad compatibility with SunSpec-compliant inverters and transmitters. High Power Capacity: Supports two modules with an input power of up to 800W per channel (1600W total). Rapid Execution: Automatically initiates shutdown within seconds of AC power loss or transmitter deactivation. Durable Construction: Rated IP68 for maximum weather resistance and longevity in harsh outdoor environments. Simple Installation: Standard MC4 connectors allow for a "plug-and-play" experience with existing module wiring. Technical Specifications Max Input Power 800W x 2 Modules Max Input Current 15A / 20A per input Voltage Range 8V - 80V per input Communication PLC (SunSpec Interoperable) Protection Rating IP68 / NEMA 6P Safety Standard UL 1741; CSA C22.2 No. 330 Technical Downloads View full technical specifications and certification data for the RSD-D: ⬇ Download RSD-D Datasheet Important Note: For full rapid shutdown functionality, this device must be used in conjunction with a SunSpec-compliant inverter or an external APsmart PLC Transmitter.
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