The tool-free insertion of rigid conductors and conductors with wire-end ferrules significantly reduced wiring times compared to other connection technologies. In addition, the disconnection of the conductors could be carried out particularly easily and quickly. By reducing to only three sizes in the cross-section range from 0.14 to 16 mm², product selection and stock-keeping became easier.
To feed through power, signal, and data is the classical requirement in electrical engineering and panel building. The insulating material, the connection system and the design of the terminal blocks are the differentiating features. A feed-through terminal block is suitable for joining and/or connecting one or more conductors. They could have one or more connection levels that are on the same potential or insulated against one another.
A protective feed through terminal block is an electrical conductor for the purpose of safety and is used in many applications. To establish the electrical and mechanical connection between copper conductors and the mounting support plate, PE terminal blocks are used. They have one or more contact points for connection with and/or bifurcation of protective earth conductors.
In some applications it is useful to protect the feed through connection with a separate fuse. Fuse terminal blocks are made up of one terminal block bottom section with a fuse insertion carrier. The fuses vary from pivoting fuse levers and pluggable fuse holders to screwable closures and flat plug-in fuses.
In some applications it makes sense to add a test point or a disconnect element to the feed through terminal for testing and safety purposes. With test disconnect terminals you measure electric circuits in the absence of voltage. While the disconnecting points clearance and creepage distance is not assessed in dimensional terms, the specified rated impulse voltage strength must be proven.
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Feed-through terminal blocks
Feed-through terminal blocks:
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Connectivity
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Terminal Blocks
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Universal range
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PUSH IN technology
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Modular PE terminal blocks
Modular PE terminal blocks:
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Connectivity
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Terminal Blocks
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Universal range
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PUSH IN technology
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P-Series
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Fuse terminal blocks
