Electrical planning with expertise

Creating arc fault protection concepts with competence

The DEHNshort arc fault protection system provides reliable protection. For low-voltage switchgear assemblies up to 690 V with a short-current withstand capacity of up to 110 kA.

Why is arc fault protection so important? It is difficult to get this theme across to the customer properly. We are here to support you with technical background information, argumentation aids, seminars and newsletters.

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Exude
competence and save time

We actively support you when designing an arc fault protection system. The DEHNshort application manual, the unique design aids and the system-specific on-site consultation service enhance your competence and save valuable time. Always well-prepared. 

DEHNshort customers get:

 

INFORMATION
1. Tender
specifications
DOCUMENTATION
2. Planning
drawings
DETAILED PROJECT
3. Bills of
quantity

This is what our partners say:

Portrait of a man wearing glasses and a pink shirt, leaning on a railing near an outdoor pool in daylight.

Having to close because of a power failure would severely damage the image of a swimming pool and spa operator.

Klaus Bastian, project leader at the electrical engineering office Alexander Müller GmbH, was responsible for the electrical planning of the swimming pool Stegermatt in Offenburg.

Klaus Bastian - Alexander
Project manager at Planungsbüro Alexander Müller GmbH
Portrait of a man wearing glasses and a pink shirt, leaning on a railing near an outdoor pool in daylight. Portrait of a man in a light blue button-down shirt standing indoors next to a screen with technical diagrams.

A power failure in a hospital is immediately life-threatening. Availability equals patient protection.

Lutz Noack, MLT Ingenieure GmbH, designed the arc fault protection system for the Humboldt-Klinikum Berlin. 

Lutz Noak
Planer Lutz Noack, MLT Ingenieure GmbH

Info on standards

The following international standards and technical specifications for low voltage applications are currently in preparation or have already been published: 

  • Arc Quenching Devices
    The IEC 60947-9-1:2019 standard has been in force since its publication in January 2019. Local versions may apply. 
     
  • Optical-based internal arc-detection and mitigation device
    The current status of the IEC 60947-9-2 standard is CDV (Committee Draft for Vote). This means that the draft has been submitted to the national committees for voting, technical changes may only be made if there are weighty reasons for them. 
     
  • Integration internal arc-fault mitigation systems in power switchgear and controlgear assemblies (PSC - Assemblies) according to IEC 61439-2
    The technical specification IEC TS 63107 has been in force since its publication in May 2020. Local versions may apply. 
     

Bookmark this page to stay up to date with what is going on in these committees.

PRODUCT RECOMMENDATION

DEHNshort protection against arc faults

Active arc fault protection system for detecting and quenching arc faults.
 

Set of electrical protection components including three control modules, coiled cables, a sensor unit, and a cylindrical actuator on a light background.
DEHN

Active arc fault protection system

Your power distribution system needs permanently reliable protection?​ DEHNshort offers exactly that, especially for low-voltage switchgear up to 690 V, 50/60 Hz with a maximum short-circuit current of up to 110 kA.​ 

Go to the active arc fault protection system page

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