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Trusted, simple, flexible MLPE solutions for commercial PV

June 9, 2021
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Related products
The Tigo RSS (Rapid Shutdown System) Transmitter completes the cost-effective rapid shutdown system architecture when paired with Tigo's UL-certified Fire Safety solutions - including the TS4-A-F (add-on), TS4-A-2F (add-on for two modules). The RSS Transmitter sends a signal via PLC (Power Line Communication) to the TS4-F units to keep PV modules connected while powered on. TS4-F units automatically enter rapid shutdown mode when the RSS Transmitter is switched off and resume energy production when power is restored to the RSS Transmitter. The RSS Transmitter with Pure Signal technology can link multiple RSS Transmitters together, enabling one coordinated keep-alive signal to the array to maximize signal integrity, even in large and complex solar installations. This solution complies with NEC 2014, 2017, and 2020 690.12 rapid shutdown specifications utilizing power-line communication (PLC). Available with Pure Signal technology for multi-transmitter sites, as a Kit, DIN Rail, or PCBA for integration into inverters.
RSS Transmitter
Enables rapid shutdown with Tigo's TS4 F and 2F products. Available with Pure Signal technology.
The TS4-A-F enables cost effective rapid shutdown functionality in a 1 module to 1 TS4 configuration. The TS4-A-F is both IEC and UL certified for global acceptance. The TS4-A-F is UL PV Rapid Shutdown System (PVRSS) certified with hundreds of inverters to comply with NEC 2014, 2017, and 2020 rapid shutdown requirements. Many of the inverters have integrated the RSS transmitter, which communicates with the TS4-A-F over PLC, enabling plug and play installations.
TS4-A-F
Dedicated rapid shutdown device for 1 solar module up to 700W
The Tigo TS4-A-2F is a reliable, cost effective rapid shutdown solution that meets the latest module level shutdown requirements, including NEC 2017/2020. The TS4-A-2F is both IEC and UL certified for global acceptance. It is UL PVRSS certified for connectivity with the largest network of inverters, many of which have a built in RSS transmitter. By connecting to two modules, the TS4-A-2F reduces labor time and enables 16% fewer connections on a 14 panel string compared to single channel MLPE.
TS4-A-2F
Dedicated rapid shutdown device for 2 solar modules

Join members of the Tigo team as they go in-depth on flexible, simple, trusted solutions for commercial solar installations. Choose your features. Choose your inverter. Maximize your benefits.

Topics will include:

  • Rapid shutdown requirements
  • Inverter options, including plug and play Tigo Enhanced inverters
  • Example projects

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Maximize rapid shutdown PLC signal integrity - featuring the RSS Transmitter with Pure Signal technology
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Solar rapid shutdown requirements keep spreading to countries around the world for the safety of first responders.At the same time, solar is being deployed to more and larger rooftops. To enable a simpler installation experience and minimize crosstalk, Tigo released the RSS Transmitter with Pure Signal technology to work with it's TS4-A-O and TS4-A-F rapid shutdown devices.
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Tigo Energy, the worldwide leader in Flex MLPE (Module Level Power Electronics), designs innovative solar power conversion and storage products that provide customers more choice and flexibility. The Tigo TS4 platform increases solar production, decreases operating costs, and enhances safety. When combined with the Tigo Energy Intelligence (EI) platform, it delivers module, system, and fleet-level insights to maximize solar performance and minimize operating costs. The Tigo EI Residential Solar Solution, a flexible solar-plus-storage solution for home installations, rounds out the Company’s portfolio of solar energy technology. Tigo was founded in Silicon Valley in 2007 to accelerate the adoption of solar energy, and its global team supports customers whose systems reliably produce gigawatt hours of safe solar energy on seven continents.
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