FJ6B-25/2P, FJ6B-25/3P, FJ6B-50(70)/2P, FJ6B-50(70)/3P series terminal block is suitable for the circuit of AC 660V below, frequency 50Hz or 60Hz, DC 440V below. It is used for electric connection of non-prefabricated or prefabricated conductors of section area 0.5mm²~70mm², current 170A below. This terminal block can form integrated multi-circuit  between two adjacent dovetail grooves according to customers’ requirement, featured in convenient operation, safety and reliability.