JSR-WR030 series waterproof conductive slip ring, Through hole inner diameter: 30mm (applicable 1-48 channels slip ring), and the integral precision conductive slip ring with all aluminum alloy structure. It supports signal, communication, or 10A~30A power supply current, with a voltage of 380VAC / 24VDC. It is specially designed for underwater operation and waterproof operation. It is an industrial-grade product, through-hole installation, waterproof IP68, gold-gold contact, imported sealing and military-grade electroplating treatment, multi-point contact-contact, waterproof gland for outgoing line, cable, etc. can be customized according to requirements.