It is made of brass conductors, with great electrical conductive and reliability.Rated Voltage/Current: 500 volts/60 amps; Type: 5 Positions, 2 Rows, H Shape.The Terminal Block is an electrical connector, it consists of flame retardant ABS insulation part brass conductor. For wiring or grounding function.Loose the screw, insert the wire into the conductor hole, then fasten the screws to hold tightly.When wiring, be sure to disconnect the power; Do not use it in the case of exceeding the rated voltage or current.