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Italy 90V Solar Rapid Shutdown Device

 
 
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    One of a distributed solar system's crucial safety components is the PV Rapid Shutdown System (PVRSS). Its main duties include turning on the shutdown mechanism, lowering the voltage to below 30V in 30 seconds, and doing it at a distance of 30cm from the PV module. When the building where the PV module is installed needs maintenance or firefighting, electric shocks and other potential safety hazards can be effectively avoided, as well as the lives of maintenance personnel and firefighters.



System Components

1659434211625



PV Rapid Shutdown System (PVRSS) is instead composed of the following PV swiftly shutdown devices:


1. Tail Module(FR-PVMS-Txxx): A rapid shutdown module with monitoring, which can quickly shut down the PV strings and transmit the information of the PV strings to the head module by the PLC signal. 


2. Head Module(FR-PVMS-Hxx): Controls the tail module by the PLC signal, and transmit the information to the main controller by RS485. 


3. Main Controller(FR-PVMS-Mxxx): Displays the power and other information of the PV strings, and transmit the data to the cloud platform at the same time. Users can remotely control it by the mobile phone APP(SafeSolar).


Key Features 



  • PV module speedy shutdown assembly NEC 2017 & 2020 (690.12) necessities

  • Bidirectional PLC verbal exchange

  • PV module monitoring: on/off status, temperature, voltage, current, strength etc.

  • Advanced monitoring: inverter performance, module shading, module degradation, soiling

  • Series and parallel arc fault detection, safety and area

  • Leak/Ground fault detection and neighborhood



Application Diagram


图片1



Key Technical Specifications


Component Model Item Parameter
Tail Module FR-PVMS-TSXX Input operating voltage range 12V-60V
Accuracy of voltage measuring ±0.2V
Maximum System Voltage 1500V
Output voltage after shutdown V(input)/100
Maximum cont. input current
(Im)
25A@55℃
Reverse current 25A
Accuracy of current measuring ±0.05A
Communication PLC
Communication capability, the
length of cable loop
500m
Operating temperature 40℃~ +80℃
Enclosure Rating NEMA Type 6P/IP68
Safety Compliance UL 1741 (Ed.2, Rev. February 15, 2018),CSA
C22.2 No. 330-17




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