SMA’s Rapid Shutdown System makes for complete Sunny Boy solution

This post was originally published in 2016. The tips and techniques explained may be outdated.

SMA’s highly anticipated Rapid Shutdown System is now available and ready for pairing with the latest Sunny Boy-US and TL-US inverter families. Engineered for use with SMA’s inverter lines featuring Secure Power Supply, this simple, reliable and cost-effective solution achieves all requirements for 2014 NEC 690.12 rapid shutdown.

The Rapid Shutdown System includes the SMA Rapid Shutdown Box and Rapid Shutdown Controller, creating a full-package solution for installers who have come to know and trust SMA’s best-in-class technology and quality. The Rapid Shutdown System is designed to seamlessly pair with the SMA’s inverter technology without disruption to Secure Power Supply during daytime grid failures or the inverter’s AFCI safety features.

Cost-conscience compliance

The SMA Rapid Shutdown System is a cost-effective solution that limits additional equipment and labor costs while still supporting flexible system design. The SMA Rapid Shutdown Box not only replaces the rooftop junction box, but is slim enough to mount under a module, allowing installers to maximize roof space for modules with no visible box.

Integrated inverter discharging fulfills NEC requirements while the Rapid Shutdown Controller’s LED indicator lights ensure safe operation for first responders. Pre-wired MC4 connectors and snap terminals facilitate a faster, easier installation with reduced error risk and no extra materials. All components adhere to the SMA standard of quality, ensuring a long lifespan and preventing replacement costs and labor down the road.

For reliability, look no further

This is the most simple and reliable rapid shutdown solution for residential systems using Sunny Boy inverters. Designed with hybrid switches for disconnecting with optimal long-term reliability, the system is capable of thousands of cycles without degradation. Its automatic self-test upon startup ensures proper function of the Rapid Shutdown Box for optimal safety and homeowner piece of mind.

The Sunny Boy inverter line with Secure Power Supply and the Rapid Shutdown System are available through SMA’s North American distribution program. To locate an SMA Authorized Distributor, solar professionals can visit SMA America’s website and click “Where to Buy” to learn more about each distribution partner.

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