Module-Level Rapid Shutdown Manufacturer & Supplier

NEC 2017/2020 690.12 compliant rapid shutdown solutions for solar PV safety. Advanced PLC/SunSpec communication, high-temperature reliability, and professional OEM/ODM factory support.

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Our Rapid Shutdown Series

Next-Generation Safety Compliance for Modern Solar Arrays

ST-RSD01 Single Input RSD

ST-RSD01 (Single Input)

Max Voltage120V DC
Max Current15A / 20A
ComplianceNEC 2017/2020
CommunicationPLC / SunSpec
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ST-RSD02 Dual Input RSD

ST-RSD02 (Dual Input)

Max Voltage120V DC
Max Current15A per Input
Pannels2 Panels
CertificationUL 1741 / PVRSS
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RSD Safety Controller

RSD Safety Controller

Power SupplyAC 100-240V
OutputDC 24V PLC
CapacityUp to 10 Strings
EnclosureIP65 Rated
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SunSpec Transmitter

SunSpec Transmitter

ProtocolSunSpec PLC
CompatibilityMulti-Inverter
InstallationDIN Rail Mount
Signal RangeUp to 300m
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Core Technical Advantages

Ensuring Firefighter Safety with Intelligent Module-Level Control

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NEC Compliance

Fully compliant with NEC 2017 & 2020 690.12 requirements for rapid shutdown, reducing array voltage to below 30V within 30 seconds.

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High-Temp Reliability

Engineered to operate in extreme rooftop temperatures up to 85°C, featuring over-temperature protection for maximum durability.

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SunSpec Communication

Utilizes standardized SunSpec PLC signaling for seamless compatibility with a wide range of leading string inverters.

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Plug-and-Play

Features standard MC4 connectors and a simple mounting bracket for fast, error-free installation on any solar module frame.

Global Application Scenarios

Mandatory Safety Protection for Modern Solar Architecture

Residential Solar Safety

Residential Rooftop Safety

Commercial Building PV

Commercial & Public Buildings

Firefighter Safety Access

Firefighter Safety Compliance

Manufacturing Excellence & Quality Assurance

ShineTong is a leading rapid shutdown device manufacturer with a dedicated R&D center for PV safety electronics. Our factory is equipped with advanced PLC signal testing and thermal aging chambers.

Every RSD unit undergoes 100% functional verification, including communication stability and shutdown timing tests. As your reliable partner in solar safety, we provide full OEM/ODM factory support for global solar brands.

UL Certificate TUV Certificate CE Certificate FCC Certificate
ShineTong RSD Factory

Frequently Asked Questions

Expert Insights into Module-Level Rapid Shutdown

What is a Rapid Shutdown Device (RSD)? +
An RSD is a safety device installed at the module level that can quickly reduce the DC voltage of a solar array in case of an emergency, allowing firefighters to safely access the roof.
Does ShineTong RSD support SunSpec PLC? +
Yes. Our RSD solutions are designed according to the SunSpec communication protocol, ensuring plug-and-play compatibility with SunSpec-ready inverters.
Is rapid shutdown mandatory for my project? +
In many regions, including the US (NEC 2017/2020), rapid shutdown is mandatory for all rooftop PV systems. Many other countries are adopting similar safety regulations.
What is the warranty period for ShineTong RSDs? +
We provide a standard 10-year warranty, with optional extensions up to 25 years, matching the typical lifespan of high-quality solar modules.

Request a Professional RSD Proposal & Price List

Contact our expert sales team for wholesale pricing, factory lead times, and technical support for your PV safety compliance.

Address: High-Tech Industrial Zone, Zhejiang, China

Email: safety@shinetong.com

WhatsApp: +86 158 8888 8888