Yaskawa – Solectria Solar Offers Rapid Shutdown Combiner For Three-Phase Inverters


Yaskawa – Solectria Solar, a U.S. commercial PV inverter manufacturer, has introduced its commercial rapid shutdown combiner for three-phase string inverters, offering a complete solution to NEC 2014 & 2017, Article 690.12, which requires commercial rooftop PV installations to de-energize DC conductors outside the PV array boundary.

According to the manufacturer, the commercial rapid shutdown combiners design integrates seamlessly with Yaskawa – Solectria Solar’s PVI 14-60TL three-phase, transformerless inverters.

The technology allows operation of one or two maximum power point tracking (MPPT) zone configurations, with up to five strings per MPPT zone.

If the rapid shutdown combiner is enabled, the array automatically shuts down the system upon loss of AC power to the site, without an additional power supply, disconnect or activation switch. Together, Yaskawa – Solectria Solar’s PVI 14-60TL three-phase, transformerless inverters and commercial rapid shutdown combiner provide a fully integrated solution to achieve compliance with NEC 2014 & 2017, Article 690.12.

“With 35 states now following NEC 2014, and the rapid adoption of NEC 2017, our three-phase commercial rapid shutdown combiner is the go-to solution for commercial rooftop installations. Yaskawa – Solectria Solar provides a bankable and cost-competitive product, allowing customers to use one solution provider for all their requirements,” says Miles Russell, director of product management for Yaskawa – Solectria Solar.



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