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Solar NEC2020 90V RSD Device

 
 
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    PV Rapid Shutdown System (PVRSS) is one of the indispensable safety factors of disbursed photovoltaic system. Its quintessential attribute is to keep away from the voltage of 30cm away from the PV module to beneath 30V indoors 30s after the shutdown pc is started.When the placing up the shut by means of potential of ability of feasible of the PV module is located requires protection or firefighting, it can efficaciously end manageable security dangers such as electric powered powered powered powered powered powered powered powered powered powered shocks, and guard the lives of security 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 all at as soon as shutdown module with monitoring, which can all at as swiftly as shut down the PV strings and transmit the archives of the PV strings to the head module with the prompted beneficial aid of the PLC signal.

2. Head Module(FR-PVMS-Hxx): Controls the tail module with the really useful beneficial aid of the PLC signal, and transmit the information to the predominant controller with the resource of universal overall performance of the utilization of RS485.

3. Main Controller(FR-PVMS-Mxxx): Displays the electrical electrical energy and one-of-a-kind data of the PV strings, and transmit the records to the cloud platform at the equal time. Users can remotely manipulate it thru the utilization of possible of the smartphone 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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