EDSTL950/4-OE

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Terminal Blocks - Headers, Plugs and Sockets encompasses a variety of electronic components used to connect electrical circuits together, hold them in place and provide an interface point between two or more pieces of equipment. The EDSTL950/4-OE is an outdoor type terminal block commonly used in applications where high current levels, extreme environmental conditions or specialized installation techniques are in play. This article outlines the application field and working principle of the EDSTL950/4-OE.

Application Field

The EDSTL950/4-OE is a heavy duty terminal block designed for applications with higher current ratings, typically in the range of 800-1,500 Amps. The broad features of the EDSTL950/4-OE allow for multi-conductor connections with accessories for outdoor installations that are exposed to extreme weather conditions, such as direct sunlight, rain, snow, and temperature variations. This block is also suitable for AC and DC voltages up to 1,500 Volts.

The EDSTL950/4-OE has a compact design suitable for terminal board installation that requires minimal depth requirements along with top and bottom cable entry capability for maximum cable management. It features modular construction that increases ease of installation and offers superior panel aesthetics. The terminal blocks are available with a variety of entry options such as flex wire, studs, double screws, and various ring terminal configurations.

Working Principle

The EDSTL950/4-OE terminal block is based on a pin/flag-type connection design. This design offers extremely reliable and secure connections with low contact resistance. The terminal blocks have two parts - the pin insert and the contact. The pin insert is made of brass and the contact is made of copper. These two parts are mechanically secured by two screws, and the contact surfaces are plated with nickel and gold.

When the terminal block is plugged in, pin inserts, being the male part, are inserted into the contact, which is the female part. This creates a secure mechanical connection. As the pin inserts are tightened, a slight pressure is exerted onto the contact surfaces. This contact pressure ensures a low and uniform contact resistance.

Once the terminal block is securely fastened, an electrical connection is established. The contact surfaces are plated with nickel and gold to ensure stability and conductivity. The high-quality plating ensures excellent current-carrying capacity, even in extreme environmental conditions.

The EDSTL950/4-OE terminal block is an ideal choice for power electronic applications that requires reliable connections. Its broad feature set, ease of installation, and superior contact resistance make it an ideal choice for outdoor installations, such as residential, industrial, and commercial settings.

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