TC20 series slip ring is a micro slip ring, of which there is a 20 mm through-bore in the center of the shaft. It has the advantages of capsule & through bores slip ring. This design features long life & low cost, and fiber Precious metal brush contact technology realizes ultimate performance in many challenging applications. With aluminum alloy body, double precision roller bearings provide smoother running, lower torque and lower electrical noise. It is suitable for transferring signal & low power. A)Feature: 20mm through-bore, provid 1~12 ways Compact miniature design, small size,fit for harsh space; Multi circuits/channels design can delivr both power & signal at the same time; Hybrid FORJ or High Frequency rotary joints; Aluminium alloy shaft and body for excellent shielding; No need to maintain. B)Specification: Speed: 300 RPM Voltage: 240 VAC/DC Working Temp: -30 Current: 2A/way Dielectric Strength: 600 V DC @ 50Hz Insulation Resistance: >=500 M¦¸ @ 600 V AC Electrical Nosie: less than 60 m¦¸ Body material: Aluminium alloy More product information welcome to visit slipring.net. product-specific packaging