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NH Vertical Fuse Switch

The NH Vertical Fuse Switch is applicable to high short circuit with AC 50(60)Hz, rated voltage 400V/690V, and rated current up to 630A. It could use as power switch, isolating switch and emergency switch and for protecting current. Their contacting parts are used copper T3 and the cover is made of flame retardant plastic.

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    • The NH Vertical Fuse Switch is applicable to high short circuit with AC 50(60)Hz, rated voltage 400V/690V, and rated current up to 630A. It could use as power switch, isolating switch and emergency switch and for protecting current. Their contacting parts are used copper T3 and the cover is made of flame retardant plastic.
      Electrical Parameter DNH18-630 DNH18-400 DNH18-250 DNH18-160
      Rated Operating Voltage Ue V AC400 AC500 AC690 AC400 AC500 AC690 AC400 AC500 AC690 AC400 AC500 AC690
      Rated Operating Current Ie A 630 630 500 400 400 315 250 250 200 160 160 125
      Conventional Heating Current Ith A 630 630 500 400 400 315 250 250 200 160 160 125
      Rated Limit Short-Circuit Current (With Fuse) KA 100 100 50 100 100 50 100 100 50 100 100 50
      Use Level (With Fuse) AC-23B AC-22B AC-21B AC-23B AC-22B AC-21B AC-23B AC-22B AC-21B AC-23B AC-22B AC-21B
      Rated Insulation Voltage
      (With Isolation Knife)
      Ui V AC1000 AC1000 AC1000 AC1000 AC1000 AC1000 AC1000 AC1000 AC1000 AC1000 AC1000 AC1000
      Rated Impulse Withstand Voltage Uimp KV 12 12 12 12 12 12 12 12 12 12 12 12
      Rated Impulse Withstand Voltage Hz 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60
      Electrical Life 200 200 200 200 200 200 200 200 200 500 500 500

      The NH Vertical Fuse Switch is a fuse combination device that combines a traditional fuse, isolator and switch. It can not only carry load operation, but also has obvious current limiting characteristics. The selection characteristics are good, and the line can be optimally protected. Widely used in low voltage distribution systems.

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