Schutzinger Blue Female Banana Socket, 4 mm Plug-In, 33 V AC, 70 V DC, 32A, Nickel Plated, BU 403 Ni / BL

Schutzinger BU 403 Ni / BL Blue Female Banana Socket is an industrial-grade connector designed for precise test and measurement applications. This socket features a plug-in termination method, enabling secure installation and convenient connection of test leads. The socket is blue in colour, with a female gender configuration and a 4 mm connector diameter, fitting standard banana plug equipment commonly used in laboratories, electronics manufacturing, and panel testing environments.

Nickel-plated contacts provide robust, corrosion-resistant connectivity and ensure high conductivity for accurate measurement results. Built with nylon insulation, the socket offers reliable electrical isolation, reducing the risk of accidental short circuits or electrical shocks. Its compact 23 mm length allows seamless integration into panel-mounted applications, supporting thickness up to 8 mm.

Engineered for demanding environments, this socket is rated for up to 33 V AC and 70 V DC, with a maximum current handling of 32A. This makes it suitable for powering instrumentation, test rigs, and high-current circuit connections. The quality of Schutzinger connectors is backed by UL certification, meeting global safety standards for reliability and user protection.

Blue female banana socket for test and measurement connections. Features plug-in termination method suitable for easy panel-mounting. 4 mm connector size with nickel-plated contacts for reliable conductivity. Operates up to 33 V AC and 70 V DC, with maximum current of 32A.

Nylon insulation material provides enhanced electrical safety and durability. Suits panels up to 8 mm thick with an insulated head design. Complies with UL safety standards and includes nickel-plated contact material. 23 mm total length for compact installation.

This banana socket is frequently used in benchtop and rack systems, laboratory setups, educational electronics, industrial panels, and any application requiring quick-release or reliable test connectors for measurement and instrumentation. Its robust construction and technical certifications make it ideal for electronics, manufacturing, water treatment, scientific research, and quality assurance labs.

Explore more Schutzinger connectors within the Electronic Connector category on EnvMart for compatible plug, socket, and terminal solutions.