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Meet safety requirements. Improve project ROI. Get multi-vendor flexibility from the leader in rapid shutdown technology.
The Tigo TS4 Flex MLPE (Module Level Power Electronics) platform enables rapid shutdown at the module-level to meet safety code requirements and for use in solar maintenance situations. By shutting down electricity flow at the module level, installers, firefighters and maintenance techs have confidence that voltage has been reduced to safe levels on the roof. With multiple patents issued and tens of thousands of sites deployed around the world, Tigo is the global leader in rapid shutdown technology.
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Rapid shutdown requirements have been enacted for the safety of firefighters and other first responders that access the roof where live solar modules may be operating. The code is specific about reducing the voltage of the array in order to minimize risk for these groups in the event of grid power loss or manual rapid shutdown so the roof can be accessed safely.
1. Rapid Shutdown Device (RSD)
Stops the voltage at the module level. May communicate over PLC (Powerline Communication) or wirelessly with initiator.
2. Rapid Shutdown Initiator
Initiates the rapid shutdown process when the keep-alive signal it transmits is no longer detected by the RSD
3. Certified Inverter
Inverter must be certified with the Rapid Shutdown Device and Initiator. The Initiator is often located inside the inverter wirebox.
Upon grid power loss or rapid shutdown initiation, the following requirements must be met within 30 seconds:
In addition, the code requires rapid shutdown equipment (PVRSE) and systems (PVRSS) be UL Listed by a Nationally Recognized Testing Laboratory for rapid shutdown.
The Rapid shutdown requirements enacted by the US National Fire Protection Agency as part of the National Electrical Code are being replicated and enacted in countries throughout the world including Canada, Mexico, Philippines, Thailand, Poland, and more.
To watch a Tigo a webinar on rapid shutdown requirements around the world, visit: https://www.tigoenergy.com/webinars
Select the features you want with rapid shutdown, enabled by Tigo TS4 Flex MLPE
Tigo TS4 units are connected to each module. Customers can selectively deploy any combination of the TS4-A-O, or S products to maximize returns for their particular site.
Tigo's Cloud Connect Advanced (CCA) is the data hub for TS4s and other devices(inverter, battery, etc.). It connects with an RS485 cable to the TAP which wirelessly communicates with TS4s.
All of the module-level data, and any third party data connected to Tigo's CCA can be viewed in Tigo’s Energy Intelligence monitoring system.
Tigo's Fire Safety line of TS4 are completely dedicated to the rapid shutdown function and communication via PLC with the RSS Transmitter.
The Tigo Rapid Shutdown System (RSS)Transmitter enables UL PVRSS certified rapid shutdown with TS4-A-F and 2Funits to meet required safety codes.
Tigo's TS4-A-F and -2F are dedicated rapid shutdown devices. Inverter monitoring may provide DC data at the string, MPPT or array level.
Examples of customers using Tigo MLPE to meet code and maximize benefits
531 kW Commercial Rooftop | California, USA
10 MW Floating Solar Array | Israel
75 kW Airport / Commercial Building | Oregon, USA
Rapid shutdown, module level monitoring and optimization for modules up to 700W.
tigoenergy.com/product/ts4-a-o
Rapid shutdown and module level monitoring for modules up to 700W.
tigoenergy.com/product/ts4-a-s
Rapid shutdown dedicated device for modules up to 700W.
tigoenergy.com/product/ts4-a-f
Rapid shutdown dedicated device for 2 modules, each up to 500W.
tigoenergy.com/product/ts4-a-2f
Universal data-logger that connects to Tigo TS4-A-O and S via the Tigo Access Point (TAP).
tigoenergy.com/product/cloud-connect-advanced
It completes the rapid shutdown system architecture when paired with Tigo's TS4 F/2F.
tigoenergy.com/product/rss-transmitter
The TAP wirelessly connects to Tigo TS4-A-O and S to enable monitoring and rapid shutdown.
tigoenergy.com/product/tigo-access-point
View the hundreds of inverters that have been ULPVRSS certified with Tigo TS4 Flex MLPE.
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. 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.