bisco industries Blog

What is a Terminal Block?

Terminal blocks function as convenient connection points for electrical wires while avoiding the need for wires to be spliced together. At the most basic level a terminal block is a strip of molded plastic fitted with metal plates and screws. Each connection point (terminal) features a metal plate and two parallel screws which conduct electricity and secure the wires in place. Connections are formed when the wires (typically outfitted with terminal lugs) are clamped between the screws and the conductor plate. Terminal blocks are also available in more complex configurations which provide features like spring clamp terminals and din rail mounting. Related products include euroblocks (European style terminal blocks) and power blocks.

Common Terminal Block Configurations

  • Din Rail Mounted Terminal Blocks
  • Double Row Terminal Blocks
  • Single Row Terminal Blocks
  • Feed Thru Stud Terminal Blocks
  • Barrier Terminal Blocks

Leading Terminal Block Manufacturers

 

For more information about terminal blocks check out resources from manufacturers like ABB and Marathon. Have a question? Contact bisco’s customer support team anytime.

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