The PSR-SPP-24UCURM45X12X2B is a safety relay designed for contact extension applications. It features a single or two-channel configuration with 5 normally open (N/O) contacts, 1 normally closed (N/C) contact, and an additional confirmation current path. The relay utilizes plug-in screw terminal blocks and has a width of 22.5 mm. It operates with a control circuit supply voltage of 24 V AC/DC, with a typical control current of approximately 71–81 mA depending on the power source. The relay provides reliable signal exchange between systems with a confirmation function and includes positively driven contacts according to EN 50205, class A, ensuring safety and compliance standards. Its insulation characteristics include air clearances and creepage distances suitable for safe operation in contact extension setups.

Phoenix Contact specialises in industrial automation and electrical connectivity solutions, offering products such as terminal blocks, PLCs, I/O systems, and industrial networking components. Known for innovation and quality, their technologies enhance efficiency and connectivity in industries like manufacturing, energy, and infrastructure.