1521261 is a 4-position, straight plug, M12 bus system connector. This D-coded connector is categorized as Ethernet/PROFINET CAT5, 100 Mbps and features 360° shielding for reliable signal transmission in environments with electromagnetic interference. Connection method is by screw connection, which is a proven connection technology for a large selection of different conductors. Contact material is made of Copper Zinc in gold finish while grip body and knurl material is nickel-plated zinc die-cast. The product has Pg9 cable glands, housing diameter of 20mm, length of 62mm, and external cable diameter of 6mm to 8mm. Conductor cross section is 18 to 24 AWG.