Page 6 - Workers_Exposed_Arc_Faults
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Photo: J. Vogler






            Selecting arc-fault-resistant                    The diagram shows suitable arc-fault-resistant protective
                                                             clothing depending on the tripping time of the protective
            protective clothing                              device and the transformer output.









              Selection example* with the following parameters:
              U  = 400 V     u  = 6 %      k  = 0.25
               Nn
                                            p
                              Z
              a = 300 mm     k  = 1 (small cabinets)
                              T
             transformer
             output (kVA)


















                                                                        tripping time of the protective device (ms)

                                                                  DEHNcare  gloves,
                                                                          ®
                                class 1                           jacket, trousers, coat
                                class 2                           additional technical
                                                                  solutions

            *This selection chart is no substitute for a risk assessment.



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