YK6012123000G

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Terminal Blocks - Barrier Blocks provide an application field and working principle for YK6012123000G. Terminal blocks originated from the early Twentieth Century and have been evolved into various types and functions. The YK6012123000G is a Peak Voltage Blocking (PVB) or Barrier Terminal Block, which is a type of electrical connector integrated with a safety barrier between two wire circuits, combining power and communications circuits into a single device.

The number of poles YK6012123000G supports depend on customers’ requirements, to prevent arcing between wires. This terminal block is mainly used in cyclic circuits, where direct current wiring applications or alternating current wiring applications need to be insulated by safety barriers. It’s mainly used in machines, instruments, aviation, ships, rail transportation industry and household appliances, etc.

The design of the YK6012123000G is based on a removable cross-connection system to avoid burning or arcing at a base due to a cross connected wire fault. This type of terminal block can provide complete disconnection under short-circuit conditions with a connection retained during normal use. The terminal blocks provide a safe separation which interrupts the short-circuit paths, and the short circuit is confined locally.

The working principle of YK6012123000G is based on the physical principle - The force of electrostatic contact. In the terminal block there are two contact surfaces with small valleys and raised areas called projections or nests and these contact surfaces are stretched apart and maintained metal bridges (the contact bridges) which are fixed on the contact surfaces by a clamping force, separated by a dielectric or insulator. The contact bridges typically have rollers co-acting allowing rotary movement.

The contact surfaces and contact bridges are divided into two parts by a barrier. When the terminal is subjected to a current load, the horizontal pressure of the contact bridge causes it to press against the contact surface. During this process, the vertical movement of the rollers increases the clamping force. The repeated movement (instructive motion) of the contact bridge can withstand test voltages of 800V or even higher. The barrier can prevent arc-over, even when the two conductors contact each other, or make contact by mistake. This physical feature prevents accidental arc-over, which can lead to the destruction of the terminal connection and possible danger.

Terminal Blocks - Barrier Blocks provide an application field and working principle for YK6012123000G. YK6012123000G terminal blocks offer many advantages. They protect without shut-off, allow for safe and easy wiring of loads such as lights, switchboards, controllers, sensors and actuators, easy vibration prevention and isolation, and isolation of power and control circuits.

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