NH Horizontal Fuse Switch
The NH horizontal 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 horizontal 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.
Conventional current (A) 40 100(63) 160(100) 250 400 630 Rated voltage (Ue) 660V a.c 380V a.c Rated insulation voltage (Ui) 800V Rated impulse voltage strength (Uimp) 6kV Rated current (Ie) AC 380V AC-21B 40A 63,100A 100,160A 250A 400A 630A AC-22B 40A 63,100A 100,160A 250A 400A 630A AC-23B 40A 63,100A 100,160A 250A 400A 630A AC 660V AC-21B 100,160A 250A 400A 630A AC-22B 100A 250A 400A 630A Rated short-circuit current 50kA (Peak 105kA) Each phase dissipation power in the DINT43620 standard 5 9.5 12 23 34 48 Packing (cm) 2P 3P 44*37*30 41*27*40 46.5*31*30 54.5*32.5*32.5 4P Gross weight(Kg) 2P 3P 15.6 15 14.5 20 
In general, these types of NH horizontal fuse switches are mainly used for conventional circuits to provide protection. Generally, it is not used as a motor to open and close. Because the breakdown current of the motor during start-up and stop is too large, it is easy to cause damage to the fuse-type isolating switch.
- The NH horizontal 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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