PCB Terminal Blocks series is the most cost effective form of connector technology available. The series offers solid versions available from 2 to 24 positions.And longe position types and one whole plastic housing available on request.The insulating material for the housing of CNNT-ERTB series terminal blocks is polyamide6.6,selfextinguishing UL94,V-0 material.All metal parts used in PCB Terminal Blocks series products are high quality bronze,brass,steel,plated Zn or Zinc or Ni plated steel. PCB Terminal Blocks series used screw connecting techonlogy of wire cage lifting and wire protection. The type of connection is convenient,reliable