SR20D-M - SUNGROW

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Safety First, Always On

Rapid Shutdown

MEA & SEA

For Business

Overview

Documents & Installation

What Makes A Good PV Rapid Shutdown Device?

Safeguards Both People and Assets

Designed for Effortless Installation

Simplified Operations and Maintenance

Built-in Flexibility and Compatibility

Designed for Effortless Installation

Featuring a patented snap-fit design, installation requires no extra tools, bolts, or effort. The simpler system design eliminates unnecessary components, with fewer parts ensuring easier installation, longer lifespan, and lifelong reliability.

Patented snap fit installation design.

45% Faster, 35s Tool-Free Installation

No extra comm cables/hosts/boxes, simpler PLC system design.

50% Fewer Components

Safeguards Both People and Assets

In an emergency, the SR20D-M initiates rapid shutdown to reduce rooftop voltage to a safe level—eliminating high-voltage risks to personnel and property while ensuring compliance with UL 3741 standards.

20s Rapid Shutdown

RSD+AFCI Arc Fault Linkage

SR20D-M incorporates Sungrow's patented FHC Zero-Burn Bypass technology. In bypass mode, it reaches a maximum temperature of only 120°C, producing approximately 33% less heat than traditional technologies, thus ensuring reliable operation for 25 years.

Built-in Flexibility and Compatibility

SR20D-M comes with various compatibility options. With a 450m PLC range for large single rooftops up to 5MW, 20A current capacity for mainstream PV modules, and support for various C&I inverters up to SG150CX, the system is highly adaptable, flexible and versatile.