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China NH Fuse Disconnector factory Description HR17 series fuse-swith disconnector is a new product developed by our company. Rated insulation voltage up to 800V. rated operational voltage up to 690V. rated operational current up to 630A, rated frequency 50Hz, in the distribution circuit and motor circuit which has high short-circuit current as the power switch, isolating switch, emergency switch as well as circuit protection, but normally it is not used to make and break a single motor directly. Features & Benefits IP20 Self-extinguis-hable materials Globally compliant Application Power distibution and Motor protection Specification Dimension FAQ Q: What is the standard for this fuse switch disconnector? A: IEC 60947-3 Q: Is this material self-extinguis-hable materials? A: Yes. Q: What size NH fuse can fit in this fuse switch disconnector? A: From NH00-NH3.China NH Fuse Disconnector factory website:http://www.wzcfdq.com/nh-fuse-links-and-bases/nh-fuse-disconnector/