2903801

Series:	VARIOFACE, VIP
Part Status:	Active
Process Side Connection:	Terminal Blocks - Spring Connection
Control Side Connection:	Rectangular, Male
Control Side Cable Retainer:	Latches
Positions / Poles:	14
Features:	--
Voltage - Rated:	60VAC/DC
Current Rating (Per Contact):	1A
Operating Temperature:	-20°C ~ 50°C
Length:	1.650" (41.91mm)
Width:	2.839" (72.11mm)
Wire Gauge:	14-26 AWG

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Terminal Blocks - Interface Modules

Terminal blocks - interface modules are devices that provide a convenient and secure connection between electrical components. The terminal block’s 2903801 application field and working principle encompass a range of areas, from communications to industrial processes.

Design and Assembly

Terminal blocks are constructed with an insulated body - typically molded plastic - where a number of electrical contacts, typically steel, are embedded. These contacts are referred to as ‘terminations’ and connect with each electrical component. While typical terminations are screw-type, some terminal blocks have contact clips which snap into place.Most terminal blocks also feature a number of additional provisions which are designed to make assembly, operation, and maintenance easier. These provisions may include mounting features such as DIN (German Industrial Standard) rail clips as well as labeling systems which clearly displays instructions, diagrams, and warnings.

2903801 Application Field and Working Principle

Terminal blocks which are certified as 2903801 by the German TÜV (Technical Inspection Association) are designed for applications in hazardous areas, such as those in the chemical or petrochemical industries where there is a risk of flammable substances.These terminal blocks may utilize the so-called ‘European Standard’ or ‘Dual Contact’ connection principle, which provides a solderless contact - also referred to as a crimped contact - between the device and the electrical component. The dual contact connection principle is designed to ensure a secure contact point through metal-to-metal contact.The 2903801 terminal blocks also feature special seals within the body of the device. Seals ensure that no combustible material will come in contact with an electric current and thus eliminates any risk of fire or explosion. Additionally, these seals also prevent dust or other particles interfering with the operation of the device.

Uses and Advantages

Terminal blocks have wide-ranging uses in applications such as factory automation, telecoms, and power distribution. In particular, they are often used to connect printed circuit boards (PCBs) within machines and devices. This is due to their ease of assembly, low cost, and low overall profile.In addition to their practicality, terminal block also offer several other advantages. This includes their inherent capability for modular assembly, their compatibility with most electrical systems, and their resistance to environmental factors such as vibration and corrosion.Terminal blocks which are certified as 2903801 provide a superior level of safety which is critical in certain applications. As such, they are often used in power distribution systems in both industrial and domestic settings.

Conclusion

The 2903801 application field and working principle of terminal blocks - interface modules provides a comprehensive and secure connection between electrical components. Certified 2903801 terminal blocks, in particular, offer superior levels of safety which are critical in hazardous applications. They are also highly practical, with their modular assembly and low-profile making them ideal for a variety of applications - from factory automation to power distribution.

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