LV NH Fuse Switch
The LV NH 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 LV NH fuse switch is applicable to high short circuit with AC 50(60)Hz, rated voltage 400V/690V, and rated current up to 630A.This series of fuse consists of fuse link and fuse base. The fuse bases is made of high strength ceramic floor or high temperature resin floor, wedge-shaped combination of static contact. It is open structure and with good heat dissipation, high mechanical strength, access to reliable and easy to operate. Matched with this series, NH fuse puller is used to pull the fuse from the base.The fuse body made by pure copper or silver piece(or silver wire) is sealed in the fusion tube which is made by the high strength porcelain.
Model DNH7-160A DENH7-250A DNH7-400A DNH7-630A Fuse NH00 (NT00) NH1 (NT1) NH2 (NT2) NH3(NT3) Rated Operational Voltage Ue V 400 500 690 400 500 690 400 500 690 400 500 690 Rated Operational Current Ie A 125 160 125 250 200 400 315 630 500 Thermal Current W/Fuse Link Ith A 160 250 400 630 Rated Insulation Voltage Ui V 1000 Rated Impulse Withstand Voltage Uimp V 8000 Fuse Protected Short Circuit Making KA Ms 50 Rated Making And Breaking Capacity AC23B AC22B AC21B AC23B AC22B AC21B AC23B AC22B AC21B AC23B AC22B AC21B Rated Frequency Hz 50/60 50/60 50/60 50/60 
It generally includes a mounting base, a static contact and a movable contact mounted on the mounting base, and a fuse link. With fuses, the switch could instantly cut out and make sure the system is safe.
1,The product is original brand new product.
2,When there are more than one product models,please note the specific models that need to be purchased.
- The LV NH fuse switch is applicable to high short circuit with AC 50(60)Hz, rated voltage 400V/690V, and rated current up to 630A.This series of fuse consists of fuse link and fuse base. The fuse bases is made of high strength ceramic floor or high temperature resin floor, wedge-shaped combination of static contact. It is open structure and with good heat dissipation, high mechanical strength, access to reliable and easy to operate. Matched with this series, NH fuse puller is used to pull the fuse from the base.The fuse body made by pure copper or silver piece(or silver wire) is sealed in the fusion tube which is made by the high strength porcelain.
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