General
Degree of protection	IP20
Modular spacing	4,2 mm
Number of poles	20
Nominal current	41 A
Colour	Red

The FBS 20-4 plug bridge from Phoenix Contact is a component for connection technology in industrial electrical engineering. With a pole count of 20 and a pitch of 4.2 mm, it is designed for use in plug terminal strips, where a secure and reliable electrical connection between multiple conductors is required. The plug bridge is supplied in red and is rated for a nominal current of 41 A, making it suitable for applications with medium to high current loads.

Plug bridge serves to electrically connect multiple terminals in a row, thereby creating a common circuit or a common potential connection. It is used in switchgear, control systems, and distributors, where a quick and secure connection of multiple conductors is required. Use in industrial environments requires a robust construction that meets requirements for mechanical durability and electrical conductivity.

Pitch of 4.2 mm corresponds to the standard for many industrial plug terminal strips and enables compatible installation in existing systems. This dimension ensures a precise fit and prevents incorrect insertion, thereby increasing the reliability of the connection. The plug bridge is inserted into the corresponding plug terminal, where the contacts are connected to the terminals via the mechanical shape of the bridge.

Nominal current of 41 A defines the maximum current the plug bridge can carry continuously without overheating or failure. This value is crucial for selecting the correct component in an electrical system to ensure safety and functionality. The plug bridge is therefore suitable for applications in automation technology, machine building, and plant engineering, where high electrical loads occur.

Red color serves as a visual identifier and can be used in practice to distinguish between different circuits or functions. In industrial electrical engineering, color coding is a common method to prevent errors and enable quick identification of wires and connections.

Compatibility and accessories include use with plug terminal strips that support a pitch of 4.2 mm. As suitable accessories, the CUTFOX-FBS 1212124 front cutter is offered, which allows precise adjustment of the plug bridge to the desired length. This enables exact use, especially when not all poles in a row need to be occupied.

Mounting and installation are performed by simply inserting the bridge into the corresponding plug terminals. The mechanical shape of the bridge ensures it fits only in the correct position, preventing incorrect insertion. The connection is secured by the elastic contacts of the plug terminal, creating a stable electrical connection. No additional tools or mounting aids are required.

Advantages in operation include easy handling, high reliability, and quick installation. The plug bridge enables flexible and modular wiring, which can be quickly adapted during maintenance or modifications. The robust construction ensures a long service life under industrial conditions.