Products & Solutions

Place of Origin: China
Brand Name: Longsun
Model Number: LNF7
Minimum Order Quantity: 1 pc
Delivery Time: 15 working days
Payment Terms: L/C, T/T, Western Union, etc.



3 Poles NH Fuse Switch



LNH7 series NH fuse switch disconnector is applicable to high short circuit current circuits with AC 50(60)Hz, voltage up to 660V, and rated working current

up to 630A. Fuse Switch disconnector possesses upper and lower-end input and output structure. Knock-edge and arc

extinguishing equipment can also be operated with the load. It is used as a power switch, fuse switch disconnector, and emergency switch for

protecting current.





Model LNH7-160 LNH7-250 LNH7-400 LNH7-630
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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