T38178-05-0

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Terminal Blocks - Barrier Blocks

The T38178-05-0 is a terminal block with a barrier or divider between ‘A’ and ‘B’ connections. This makes it suitable for applications where two isolated circuits must be connected together, such as using a monostable or a dual voltage power supply.

Application Field

The T38178-05-0 is used in industries where two circuits need to be connected, and would otherwise require the use of unwieldy and long wiring or separate wiring blocks. Such industries include water, refrigeration, air-conditioning, power electronics, audio/video and lighting. It can also be used in applications such as junction boxes where power from one side must be delivered to a different side. In these cases, the T38178-05-0 provides a simple and efficient way to bridge the two.

Working Principle

The T38178-05-0 comprises separate ‘A’ and ‘B’ terminal blocks which are connected to each other by a simple but effective barrier system. The barrier system consists of a number of plastic barriers which are connected to each other by metal stand offs. These standoffs provide an air gap between the two terminal blocks, thereby ensuring that no current can pass between the two. This prevents back-feeding, which would otherwise occur if the two circuits connected to the terminal blocks were to be on the same mains supply.

The connections to the T38178-05-0 are made via the terminal block ‘A’ and ‘B’ which are fitted with retaining screws. These screws hold the wire securely in place and prevent the connection from becoming loose or vibrating and potentially causing an electrical arc or spark. The T38178-05-0 also features a removable dust-cover which prevents dust or dirt from entering the enclosure and causing a short circuit.

The T38178-05-0 is UL rated for 600V and is approved for use with up to a 15 amp current. It also features a PVC housing for insulation and protection against electrical shock. It is available in a range of sizes, from 1 lid up to 8 lids, and is rated for temperatures ranging from -30°C to 150°C.

Advantages

The T38178-05-0 provides several advantages over traditional wiring blocks and long wiring connections. Firstly, it is much simpler to install due to its barrier system, and takes up much less space than two separate wiring blocks. Secondly, it is much safer due to the additional insulation provided by the PVC housing and the air gap between the two terminals, preventing any stray current or electrical arcs from occurring. Finally, it is much more reliable than traditional wiring blocks as it is much less prone to faults. This ensures that it is suitable for applications where reliability is essential.

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