Tigo RSS Transmitter (Dual Core)

Reliable Rapid Shutdown Signaling for PV Systems

The Tigo RSS (Rapid Shutdown System) Transmitter is designed to send a keep-alive signal to Tigo TS4-A-F and TS4-A-2F units, enabling NEC 2017/2020-compliant rapid shutdown functionality for solar installations. This transmitter ensures your PV system meets safety codes and protects first responders by allowing module-level shutdown in case of emergency or grid failure.

Key Features

• NEC 2017/2020 Compliant – Enables module-level rapid shutdown per fire safety code requirements
• Compatible with Tigo TS4-A-F & TS4-A-2F Units – Required to maintain "on" signal for PV modules
• Automatic Safety Trigger – Disables signal when AC grid is lost or system is turned off
• Supports Multiple Strings – One transmitter supports multiple strings when used with a Tigo RSS Signal Detector or optional accessories
• Flexible Installation – DIN rail mountable with standard wiring connections
• UL PVRSS Certified – Tested and listed for use with many leading inverter brands

Designed for solar professionals and system integrators, the Tigo RSS Transmitter offers a straightforward path to code-compliant rapid shutdown performance.

Specifications

• Power Supply: 12V to 48V DC or 100–277V AC (depending on model)
• Compliance: NEC 2017 / 2020, UL 1741, PVRSS
• Mounting: DIN rail
• Compatibility: TS4-A-F, TS4-A-2F
• Operating Temp: -40°C to +70°C
• Certifications: UL, FCC, CE

Recommended For

• Residential or commercial PV systems using Tigo rapid shutdown devices
• Installers needing fire code compliance
• New and retrofit solar installations