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DC Safety Box-8 Channel

Key Features
  • 8 PV strings each box supports, be parallel running to support larger syste

  • Fonrich IP technology to self-adapt with different invertors

  • Remote monitoring with Modbus RS485

  • Arc fault detecting of each PV string

  • The protection arc sensitivity is adjustable

  • UL 1699B 2018 conformity

Availability:

 Arc Fault Protection Box

AFS8B Arc Fault Protection Box is a solar AFCI (Arc Fault Circuit Interrupter), which is mainly used in middle sizes of distributed PV system, such as 20~200KW rooftop solar system. Its main function is to detect the arc fault of the PV strings and disconnect the string cables when arc fault occurs.


Application Diagram of FR-DCBS-AFS8B

8lu

Key Technical Specifications

      Classification                               Item                              Parameter

     


      Arc detection

Maximum number of detection channels 8 channels
Current range ±15A
Maximum system voltage DC1000V 
 Arc type  UL1699B(Type 1)




          Current                measurement

Maximum number of detection channels 8 channels
Current range -20A~+20A 
Rated current -10A~+10A
Imbalance offset ≤±0.1A 
Temperature drift  ≤±0.005A/℃ 
Linearity  ≤1%FS

 

            Local                  display(Inside)

Channel number, current, alarm ,etc Dot matrix display (LCD)
Operating status indicator  2 LEDs respectively indicate power supply and communication status


     Local operation

Operation content  Display operating status and set parameters
Keys  4


          RS-485

Communication protocol Modbus-RTU
Communication rate 2400/4800/9600/19200/38400 bps
Byte format  8N1, 8O1, 8E1


Power supply and consumption 

Input voltage of power supply 85~265VAC
Maximum input current  0.35A 
Maximum power consumption ≤30W



      Environment 

Operating Temperature  -30℃~+60℃
Storage temperature -40℃~+85℃
Operating humidity  0~95%
Waterproof level IP65


Certifications  Download
UL-certificate UL_certificate.pdf




8路

User Manual  Download
FR-DCBS-AFS8B FR-DCBS-AFS8B_UM_EN_V1.0.pdf
Data Sheet Download
FR-DCBS-AFS8B FR-DCBS-AFS8B_DS_EN_V1.0.pdf




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