Main Line Fuse This RFQ was sourced on www.MFG.com in USA for Fuses Buyer is in search of a 30 amp fuse. 460V. Buyer Information Industry City/Region Fort Worth, Texas Country USA RFQ RFQ Number 507974 Material Technical Specifications Category Fuses Dimensions The following suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) provide manufacturing services and are members of the MFG.com community. For more information visit http://www.mfg.com. MFG.com performs a 5-point inspection on all engineered parts and RFQs to ensure quality and enhance your quoting experience Fuses: Fuses are used to protect electrical components from excess current. The internal element of a fuse melts from over currents and short circuits, thereby breaking the circuit.