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Terminal Blocks - Barrier Blocks

B48430600 is a general-purpose terminal block from Phoenix Contact. It is a 2-pole terminal block with plug-in bridge making it a caged design suitable for screwless, tool-less operation. The terminal block has a rated current of 4A/pole and a voltage of 415V/pole for a reliable electrical connection. B48430600 offers a cross-connection of incoming and outgoing conductors when used with the top- mounted plugging bridges, along with Bridge Ex- tray/Bridge Break indication.

Application fields

The B48430600 terminal block has numerous applications for use in both industrial and commercial areas. Commonly, they are used in AC and DC control panels and can be used with both solid or stranded wires. The terminal blocks offer a low-profile design, so they have the potential to be used in a variety of tight spaces such as in NEMA 1, 4, or 12 enclosures. Additionally, they can be used in applications where space is at a premium, such as in tight junction boxes and motor panel assemblies.

Working principle

When used in conjunction with its top-mounted plugging bridge, the B48430600 terminal block offers several advantages. The caged design of the terminal block prevents accidental contacts between adjacent terminals due to its L-shape. Additionally, the top-mounted plugging bridge clearly identifies the bridge break and Ex- tray indication which proves useful during the wiring, troubleshooting, and maintenance. The terminal block features a high level of contact stability due to its self-closing spring contact.

To install, the user must loosen the screw using a suitable tool and insert the wire. The contact pressure spring pushes against the wire and secures it into the contact jaws. Once the wire is inserted, the user can retighten the screw to create the electrical connection. If the terminal block is used with the pluggable bridge, one first has to pull the bridge out, place the wire into it, and then reinsert it into the side slot of the terminal. The finely structured contacts are secured in the bridge slot with a spring finger and latch system.

The B48430600 terminal block also features a patented floating bridge mechanism that ensures the bridge can move around within the slot while placed under the electrical pressure of the piece. This floating bridge mechanism enables secure and reliable connections even with thin-walled conducting material. The bridging piece in the terminal block is corrosion and oxidation resistant to ensure maximum contact reliability for a longer period of time.

Conclusion

The B48430600 is a general-purpose terminal block offering functionality, safety, reliability, and a space saving design. Commonly used in industrial and commercial applications, it requires little technical knowledge, and the top mounted plugging bridge clearly indicates bridge break and Ex-tray indication, making it an easy tool for use. The caged design prevents accidental contacts between adjacent terminals, further adding to the safety of the terminal block. The use of a spring contact ensures a stable electrical connection.

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