Phoenix Contact 1605891 The TU series housing accommodates a wide range of circular connectors with up to 12 positions, featuring an angled design for improved ergonomics and a bayonet locking mechanism for secure connections. The M23 connector type uses a socket connection method, while the option for crimping provides added reliability. Additionally, this housing is shielded for enhanced electromagnetic interference protection and can accommodate cables with diameters ranging from 2mm to 14.5mm in diameter.