Fuse Switch 160A DC max


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DNH7 series NH fuse switch disconnector is applicable to high short circuit current circuit with AC 50(60)Hz, voltage up to 660V and rated working current up t0 630A. Fuse Switch disconnector possesses upper and lower end input and output structure. Lead in equipment with knife-edge and arc extinguishing equipment, and also can be operated with load. It is used as power switch, fuse switch disconnector and emergency switch, and for protecting current.


Model DNH7-160 DNH7-250 DNH7-400 DNH7-630
Fuse NH00(NT00) NH1(NT1) NH2(NT2) NH3(NT3)
Rated operational voltage 400V 400V 400V 400V
Max current 160A 250A 400A 630A
Rated insulation voltage 1000V
Rated impulse withstand voltage 8000V
Fuse protected short circuit making 50kA/ms
Rated making and breaking capacity AC22B AC22B AC22B AC22B
Rated frequency  Hz 50/60 50/60 50/60 50/60
Power loss at Im without fuse-link/phase W 12W 23W 34W 48W
Degree of protection IP20 IP20 IP20 IP20


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