RSD

Rapid Shutdown Devices (RSD) for NEC 2017 and NEC 2020 code compliance on residential and commercial rooftop solar systems. Solwel stocks RSD hardware from Tigo and APSmart to cover a range of system configurations and inverter pairings.

  • Tigo TS4-A-O — module-level RSD optimizer, 22A
  • APSmart RSD-S-PLC — string-level rapid shutdown initiator
  • Tigo Cloud Connect Advanced (CCA) Kit — communications gateway for Tigo RSD systems
  • Tigo Access Point (TAP) — wireless module communication

All devices meet NEC 690.12 rapid shutdown requirements. Contact Solwel for compatibility guidance and volume installer pricing.
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