Summary:

Yaskawa Solectria Solar’s 3-phase string inverters in combination with Tigo’s TS4 platform meet the rapid shutdown requirements of NEC 690.12 2017 

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Main Article:

Tigo®, pioneer of the smart modular Flex MLPE platform, today announced the new Underwriter Laboratories (UL) certification of its Photovoltaic Rapid Shutdown Systems (PVRSS) based on the company’s TS4 Platform and PV inverters from Yaskawa Solectria Solar, the leading U.S. commercial PV inverter manufacturer. The Yaskawa Solectria Solar inverters listed below are now listed with Tigo’s TS4-F (Fire Safety), TS4-O (Optimization), and TS4-L (Long String) as PVRSS solutions. Contact Tigo for more information on solutions for integrated or retrofitted PV installations. 

This UL certification is part of Tigo’s multivendor initiative providing customers with the advantages of reliable, safe, and cost-effective solutions. The use of Tigo smart modules and high efficiency inverters allows design flexibility for installers to comply with National Electric Code (NEC) 2017 690.12 RSS regulations. Tigo has also been internationally recognized as the only module-level power electronic vendor with UL-certified RSS with multiple PV module manufacturers. To learn more about Tigo’s RSS solutions, join Tigo’s online NABCEP-accredited trainings.

The following Yaskawa Solectria Solar inverters are UL listed as PV Rapid Shutdown Systems with Tigo’s TS4 units:

TS4-F (Fire Safety) 

The most cost-effective RSS solution with SunSpec-defined power-line communication.
 
PVI 36TL    PVI 50TL & PVI 60TL with firmware 9.0 or later    XGI 1000 – 60/60

TS4-O (Optimization) and TS4-L (Long Strings)

The only UL-certified multivendor RSS in the U.S. solar market also include additional features like optimization and long string designs.
 
 PVI 23TL    PVI 36TL    PVI 50TL & PVI 60TL with firmware 9.0 or later