431500-27-0

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Terminal Blocks - Barrier Blocks

Barrier blocks are specialized terminal blocks designed to disconnect circuits from power sources and provide a barrier between them. When installed, barrier blocks route electricity only when the block is physically connected via the barrier strip or weld point. This helps create a safe environment, allowing personnel to disconnect live circuits for repair or maintenance without touching the terminals.

The 431500-27-0 barrier block is a reliable, low-cost solution for applications such as industrial automation, process control, instrumentation and medical equipment. It features a 27-pole header with a 10 A rating to support a wide range of applications. The stainless steel body is the ideal choice for harsh environment applications, providing outstanding resistance to corrosion, overtime temperature cycling and shock and vibration.

Design and Features

The 431500-27-0 terminal block uses pins that slide into the slotted header to route power. The pins can connect or disconnect easily, which ensures fast and convenient installation and maintenance. The barrier block also features high-retention force connection points. The connection points are designed to retain the pin firmly in position, resulting in a reliable connection that won’t disconnect due to vibration or accidental impact.

The 431500-27-0 terminal block has a unique design that helps to reduce EMI/RFI communications, which is essential for protecting sensitive electronic equipment. The barrier block also provides a resetting option that prevents hazardous sparks from occurring due to wrong wiring connections. The unique resetting feature provides the assurance that any wrong wiring connection will be cancelled before it can cause damage.

The 431500-27-0 terminal block allows two wire connections per pole, which supports more sophisticated wiring designs. The block is capable of accepting both normal and stranded wires, making it suitable for a range of wire sizes. The terminal block also has self-aligning ends which can be rotated to ensure perfect fitment, and a wide range of temperature ratings to suit different environments.

Working Principle

The 431500-27-0 terminal block works by routing electricity via its pins and slotted header. When the terminal block is connected, the pins create an electrical path and power is routed through that path. The block is designed with a resetting feature which ensures that any wrong wiring connection will be cancelled before it can cause harm through sparks.

The pins also help to reduce noise by acting as a filter, suppressing the electromagnetic and radio-frequency interference that can result from the transfer of electricity. By controlling and routing current from multiple sources, the blocks help to minimize the risk of circuit overload and reduce the risk of shocks or fires due to short circuits.

Applications

The 431500-27-0 terminal block is suitable for a range of applications in industrial automation, process control, instrumentation and medical equipment. It is capable of providing reliable connection in extreme environments and features a resetting system to prevent sparks due to incorrect wiring. This makes the terminal block ideal for hazardous environments and for applications where reliable, low-cost power is required.

The block is also suitable for applications involving noise-sensitive electronic equipment due its pins which act as a filter, allowing the transfer of current without the interference of electromagnetic or radio-frequency waves.

The 431500-27-0 terminal block is the ideal choice for a wide range of applications, providing reliable, low-cost power in extreme environments.

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