Module Level Firefighter Safety Switch

Solar Module Level Rapid Shutdown YRSD-P
Solar Module Level Rapid Shutdown YRSD-P

Solar Module Level Rapid Shutdown YRSD-P

● Firefighter Satety Switch for Solar System.

● Over temperature protection.

● Plug and play easy installation.

● IP66 aluminum durable enclosure.

● Emergency button for 100% disconnect.

Product Description

YRSD-1P/2P is a module level rapid shutdown device offers fire safety for solar rooftop and building ,remains the rapid shutdown function period the solar PV system whole working life.
Emergency button switch is required to initiate the rapid shutdown operating, as a trigger place on the ground and easier to reach.

The communication cable on the rapid shutdown device should be connected in series and wire to the button switch.

● Module Level Rapid Shutdown

● Manual Shutdown by Button Switch

● Automatic Shutdown on AC Power Loss

● Over Tempcerature Automatic Shutdown

● Compatible with Most String Inverters and Panels



Technical Data

Model No.


Maximum input Voltage

120V Single Panel Or 60V per Panel (Two Panels In Series)

Maximum Input Current



Maximum Power

2160W in total

3000W in total

PV Input and Output Cables

4.0mm²(12AWG)Cables+MC4 Connectors

PV Input Cable Length


PV Output Cable Length


IP Protection




Operatin Temperature

-40℃ to- +85℃

Ambient Operating Temperature

-40℃ to- +55℃

Standards Compliance

EN61646 EN 61000,EN 61215 IEC 60716 draft C(NH3 resistant)

PV Connectors:

Staubi MC4(standard),Jinko and QC connectors for option

DC Power Supply for each RSD

Voltage Range


Maximum Current


Maximum Power


Power Supply Cables(Signal Cable)

2×0.823mm² (18AWG)Signal Cables + Signal Connectors

Power Supply Cables Length



5 Years





Fast shutdown has important applications in many fields. Here are a few common uses:

●Safety and emergencies: In emergencies, such as fires, leaks, or other hazardous events, the power supply needs to be cut off quickly to ensure the safety of personnel. The rapid shutdown system can quickly cut off the power supply and prevent potential risks from further expansion.

●Maintenance and inspection: When performing equipment maintenance, inspection, or replacement, the equipment must be powered off first to ensure personnel safety and prevent electrical failures. The quick-shutdown feature allows the current to be disconnected quickly, allowing operators to safely perform maintenance work.

●Prevent equipment damage: Under certain circumstances, such as circuit overloads, short circuits, or abnormal conditions, equipment may be damaged by excessive current or voltage. By turning off power quickly, you can quickly stop the flow of electricity in a circuit, reducing the risk of damage to your equipment.

●Energy management: Rapid shutdown can also be used for energy management and energy-saving measures. When the device is idle or not in use, it can cut off the power supply through quick shutdown to prevent energy waste and unnecessary power consumption.

●Circuit Protection: Rapid shutdown can be used to protect other equipment or components from potential damage when a fault or abnormal condition occurs in a circuit. It cuts off the current quickly and prevents faults from spreading throughout the circuit.


In short, rapid shutdown has important application value and can ensure the safety of personnel, normal operation of equipment and energy-saving management. It plays a key role in emergency situations and provides power control and circuit protection functions required in many practical applications.



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