Fronius RSD Duo Rapid Shutdown Device
$162.00
Sale price
$162.00
Regular price
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Fronius RSD Duo Rapid Shutdown Device
$162.00
Sale price
$162.00
Regular price
The Fronius Rapid Shutdown Box Duo provides NEC 2017/2020 rapid shutdown compliance for Fronius string inverter systems, covering two strings per unit. The Duo design reduces hardware count on mid-sized residential systems while maintaining full code compliance without requiring per-panel MLPE devices.
Specifications
| Model | Fronius Rapid Shutdown Box Duo |
| Strings per Unit | 2 strings |
| Function | String-level rapid shutdown |
| Compatible Inverters | Fronius Primo, Symo, GEN24 |
| NEC Compliance | NEC 2017/2020 |
| Warranty | 5 years |
Key Features
- Dual-string coverage per unit — one Duo handles a standard dual-MPPT Fronius system
- String-level shutdown — simpler and lower cost than per-panel MLPE approach
- Designed specifically for Fronius Primo, Symo, and GEN24 inverters
- DIN rail or wall mountable in combiner or disconnect enclosures
- NEC 2017 and 2020 compliant
Compatible With
Fronius Primo, Symo Advanced, and Primo GEN24 inverters. One Duo unit per inverter covers a standard dual-string residential system. Used in the Solar Builder system design for string inverter configurations.