Large size slip ring is named for its large inner bore size. It gets big through hole size and high protection level, is generally used in larger equipment and systems. The system can be fitted directly to the center of the rotation, to resolve the transmission problem of current and signal. This kind of large size slip ring with high protection grade is widely used in sewage treatment, industry equipment, large material transfer equipment and other systems. ECN120-03P3-09S-01EM with inner bore size 120mm and integrated 3 rings of 15A & 1 group of 100M Ethernet signal. CENO electronics can provide customized slip ring according different requirements, the inner bore can be choose from 3mm to 980mm, IP grade can reach to IP65, IP67, IP68 etc,. More information about slip rings please feel free to contact us, we will provide with you the best soluition as soon as possibile.