The Phoenix Contact PS-IH RD insulating sleeve is designed to ensure reliable electrical contact within bridge shafts and various test sockets, particularly those with a 2.3 mm or 4 mm diameter. As part of the PS-...2,3MM modular system, these sleeves can be combined to create customized test adapter solutions. Manufactured in Germany, the PS-IH RD sleeve is constructed with a red body and is rated for operation in a wide temperature range of -40°C to 100°C. Its robust design and compatibility make it suitable for a variety of industrial testing and connection applications.