Types of Terminal BlockCurrently, there are various types of terminal blocks that are generally used for making cable connections. All types of terminal blocks are distinguished based on their respective structures, types of devices, and specifications. Even though there are various types of terminal blocks, be sure to use a quality terminal block product. You can use the autonics terminal block, and the phoenix contact terminal block by type.
To make it easier for you, the following are wetting terminal blocks by type:By Structure:
1. Single Level Terminal Block: or what is also known as a single feed terminal block is a type of terminal block that is only used to connect two cables together, namely a wire-to-wire connection. This type is the simplest with only one input contact and one output contact.2. Dual Tier Terminal Blocks: These blocks have other level connection terminals stacked on the first level. This setting is generally used to save space.3. Three-Level Terminal Block: Just like double-level blocks, this type has an additional level at the top. The advantage of using nested blocks is that multiple connections can be made within the same block.By Device Type:
1. Ground Terminal Blocks: These blocks often look like single tier terminal blocks but the difference is that when the wires are disconnected these blocks are connected to the panel or DIN rail where they are installed.2. Fused Connection Terminals: These blocks are also similar to single tier blocks but the metal connection strips are replaced with fuses. Therefore, the wires will be connected through a fuse to provide additional protection.3. Thermocouple Terminal Blocks: These blocks are designed to accept thermocouple lead connections. Some thermocouple connectors essentially clamp the ends of the thermocouple together on both sides of the block, eliminating the metal connection strip inside the block.4. I/O Block and Sensor Block: used to establish connection between device and controller. Whereas, the sensor block handles three or four wire devices such as proximity sensors.5. Disconnect Terminal Blocks: These blocks allow cables to be easily removed by simply lifting a lever or knife switch. This one type can be used for safer disconnection without removing the cable.6. Power Distribution Blocks: These blocks are used in the distribution of electrical power. This block is touted to be a convenient, economical and safer way to distribute power from a single input source to multiple outputs. One large wire is connected to the input terminal of the block and several output terminals are provided at the output. In this way, the cables are well organized on the control panel so it looks neater, cleaner and more professional.
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