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APsmart Rapid Shutdown RSD-D Specifications
| Model | RSD-D-20 |
| Input Operating Voltage (per channel) | 8 – 65V DC |
| Maximum Continuous Input Current | 20A per channel |
| Maximum Short Circuit Current | 25A |
| Output Operating Voltage | 16 – 130V DC |
| Maximum Output Current | 20A |
| Maximum System Voltage | 1000V / 1500V |
| Maximum Series Fuse Rating | 30A |
| Enclosure Rating | NEMA Type 6P / IP68 |
| Operating Temperature Range | -40°F to +167°F |
| Dimensions | 5.5" x 2" x 0.8" |
| Connector Type | Stäubli MC4 (Input), APsystems Specified or Custom (Output) |
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APsmart RSD-D PV Module Rapid Shutdown Device
SKU APS-RSD-D-20-SES
Smart Safety for Dual-Module Systems
The APsmart RSD-D Rapid Shutdown Device is engineered for modern PV installations that demand both safety and performance. Supporting dual-input channels, it ensures reliable module-level shutdown in compliance with NEC 2017, 2020, and 2023 (690.12) codes while offering seamless compatibility with SunSpec-based transmitter systems.
Thanks to APsystems’ custom ASIC design and low minimum operation voltage (8V), the RSD-D maximizes module uptime and minimizes energy loss. Its lightweight, compact form factor supports adhesive or rack mounting and features IP68/NEMA 6P enclosure protection for long-lasting field durability.
AP Smart RSD-D Rapid Shutdown Features
- NEC 2017/2020/2023 Compliant: Fully meets rapid shutdown code 690.12, including support for SunSpec transmitter signals.
- Dual-Input Channel: Enables connection of two PV modules per unit, reducing installation time and hardware costs.
- Reliable ASIC Technology: APsystems’ proprietary SoC and redundant topology enhance durability and signal integrity.
- Fast Shutdown: Instantly disables DC output when PLC signal is absent, protecting first responders and system infrastructure.
- Low Voltage Activation: Starts operation at just 8V, ensuring longer daily energy harvest from connected modules.
AP Smart RSD-D Certifications
Safety Compliance:
- NEC 2017, 2020&2023 (690.12)
- UL1741
- CSA C22.2 No. 330-17
- IEC/EN62109-1
EMC Compliance
- FCC Part15
- ICES-003
APsmart RSD-D Rapid Shutdown Device Review
The APsmart RSD-D is a robust dual-input rapid shutdown solution that meets today's demanding code and installer expectations. Its low startup voltage (just 8V) helps maximize energy production throughout the day, especially in shaded or low-light environments. With support for both 1000V and 1500V systems, it’s versatile enough for residential and commercial use. Field-proven ASIC design ensures reliable performance, while NEMA 6P/IP68 sealing protects against harsh weather. Installers also benefit from reduced costs thanks to the dual-channel design, effectively cutting hardware and labor in half for paired modules. In short: smarter, safer, and simpler.
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