Arc Fault Detection Devices (AFDD)

45 parts

Arc fault detection devices (AFDD) from ABB detect dangerous series and parallel arcs in final circuits and disconnect them before they start a fire. The range covers ABB S-ARC1 and DS-ARC1 in 1P+N from 6 A to 40 A, with integrated overcurrent protection or with overcurrent and residual current protection. Stoklink ships worldwide from Turkey and quotes on request.

45 parts

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Guide

Arc Fault Detection Devices (AFDD) buying guide

What's in this range

  • ABB S-ARC1: AFDD with integrated MCB function, B and C curves.
  • ABB DS-ARC1: AFDD with integrated RCBO function, with 30 mA Type A versions.
  • 1P+N devices for final circuits.

How to choose

  • Function: AFDD+MCB for overcurrent only, AFDD+RCBO where leakage protection is also required.
  • Rated current and curve: B or C, matched to cable and load.
  • Breaking capacity: compare the kA value with the prospective fault current.
  • Standard: IEC 62606 for AFDDs. Check which circuits your local wiring rules require to be protected.
FAQ

Arc Fault Detection Devices (AFDD) questions

What does an AFDD protect against that an MCB does not?

An MCB reacts to overload and short circuit. An AFDD analyzes the current waveform and trips on arcing faults that stay below the MCB threshold.

Do I still need an RCD with an AFDD?

Yes, unless the device is an AFDD+RCBO type, which includes residual current protection.

Can you supply AFDDs outside Turkey?

Yes. Stoklink ships worldwide from Turkey, EXW. Availability depends on the distributor, so request a quote to confirm.

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