1871526

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Terminal blocks, or also known as production blocks, are connecting blocks that are utilized to terminate, connect and protect electrical wire connections. The terminal blocks here referred to are specifically “wire to board” terminal block assemblies. The industry standard “1871526” terminal block defines a family of products designed to meet specific wire-to-board applications.

1871526 terminal blocks are typically used as a cost effective way to terminate multiple wires into electrical boards or circuits. Terminal blocks are mechanically more robust and require space-saving installations over traditional wiring systems. In certain applications, terminal blocks are far more reliable than soldering, as they provide an easy way to remove and replace connections without having to solder them back on the new connection. This is ideal for serviceability and maintenance concerns in the field.

The 1871526 terminal block family consists of several different series of products with the primary differences being in the physical size and contact size. 1871526 terminal blocks range from 0.25” to 2.5” wide at the top and 0.187” to 0.12’’ pins while the contacts are 0.187” for the smaller wire pockets or 0.216” for larger ones. Depending on the requirement, a number of different contact plating materials is available, with gold, silver, and tin being the top three.

Within these various series, there are several different product types that expand the utility of the terminal block family. First, there are the jumper bars and shunts. These are isolated single-piece conductors that run along the top of the terminal blocks. The jumper bars have a bridge which connects two or more units and the shunts allow the user to slide in at any point along it which creates a connection with the other end. This allows for control over the current travelling between two terminals.

Another type are the surge suppressors and LEDs. These are singular blocks which are designed to protect against power surges that can be caused by high voltage spikes. This helps to increase the overall protection of the circuit by diverting the excess electricity away from the blocks.

For identification purposes, labels and label holders are available. They can be used in combination with any type of label material, such as printed paper or vinyl labels. These label holders are available with an adhesive backing to help secure them.

1871526 terminal blocks also provide a connection protocol through the use of their multifunctional screw-type terminals. This allows for energy to flow from the source at the bottom terminal, which is then sent to the top terminal. These connections are secured with a screw terminal, which is tightened using a flathead screwdriver. This type of connection provides a secure path for electricity to flow which helps to reduce unwanted electrical impacts.

For increased safety, there are diagrams and warnings printed on the terminal blocks. These provide additional protection from electrical hazards by alerting the user to potential dangers that may be present.

1871526 terminal blocks are an extremely versatile product family which are widely utilized to power and protect multiple circuits in many different applications. By providing a secure connection point as well as a safe way to transfer power, these terminal blocks demonstrate great reliability and performance.

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