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Launches NEW Solar PV Arc Detection Unit (ADU) Protect your solar system today!

  

Arc Fault Detection Unit

  

  • For home and professional use
  •   
  • Detection of arc faults  
  •   
  • For DIN rail and wall mounting  
  •   
  • Visible and acoustic arc indication  
  •   
  • Developed acc. UL1699B  
  •   
  • Supplied loose or in PV boxes 
  •   
  • Easy to install  
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  • Integration with external safety systems  
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  • For new and existing installations

  

   

  

  

Arc Fault  

An arc-fault occurs when loose or corroded connections make intermittent contact and causes sparking or arcing between the connections.                          

This translates into heat, which will break down the insulation of the wire and is in most cases the trigger for an electrical fire.     

By detecting arc faults and resolving the cause in an early stage, a possible fire and a lot of damage can be prevented. 

  

 

  

  

Techinical Specification  

GENERAL SPECIFICATIONS  

Operational voltage:24V DC (+/- 10%)  

Current consumption:0.2 Amp  

Operational durability:> 10 years  

Operating temperature:-20°C to +70°C  

Storage temperature:-40°C to +85°C  

Category:PV AFD - Type 1 (UL1699B)  

Maximum rated voltage:1000V DC  

Number of poles:1 pole  

Advised cable size:6 mm2  

Maximum cable size:10 mm2   

Weight:200g  

DIN rail mounting:DIN Rail TS35  

Wall mounting:M4 mounting holes

  

  

  

  

Arc Fault Definition

    

PV AFCI - PHOTOVOLTAIC DC ARC-FAULT CIRCUIT-INTERRUPTER

A device that is intended to interrupt power delivered to an arcing fault when an arcing fault is detected by the AFCI. 

  

PV AFD - PHOTOVOLTAIC DC ARC-FAULT DETECTOR 

A device that is intended to provide arcing protection by enabling an interruption or shorting device to interrupt power delivered to an arcing fault.

  

PV ID - PHOTOVOLTAIC DC INTERRUPTING DEVICE 

A device that is intended to interrupt a detected arcing fault. The device is generally enabled by another device which detects arcing, such an arc-fault detector. 

  

TYPE 1 DEVICE

A solar photovoltaic device that is intended to detect or interrupt series arcing faults.

  

TYPE 2 DEVICE

A solar photovoltaic device that is intended to detect or interrupt both series arcing faults and parallel arcing faults.

  

  

Arc Fault "Signature"    

Arcing creates “noise” Graph shows arcing and non arcing conditions in the time domain

..................... Red Graph shows Arcing condition

..................... Green graph shows non acring condition

  

  

THE SANTON

  

ARC FAULT DETECTION UNIT: ADU

  

Uses the frequency characteristics to determine arcing conditions.

With a round transformer the analogue noise signal is fed into the electronics.

The analogue signal is filter to specific bandwidth for arcing. 

The analogue signal is sampled by a Digital Signal Processor (DSP).

The sampled signal profile is checked with an algorithm to determine if an arcing event is occurring.

In case arc found:

Buzzer sounds

Red fault LED blinks

Relay output changes state

Arc fault reset possible with small pin

  

  

Download pdf catalogue

Leaflet ADU ASM v1.0 high res.pdf

  

Watch Video  

http://www.youtube.com/watch?v=j8WCe5ezlLM&feature=plcp

                  

 

 

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