80mm through hole size slip ring belongs to CENO ECN series slip ring.The center hole is provided for going through shaft when mounting it on the machine. It adopts bundle fiber brush technology which make contacts on each ring are multiple points.The technology ensures low abrasion performance effectively during slip ring operation.Our standard through hole size are 12.7mm, 25.4mm,38.1mm,50mm,60mm,70mm,80mm,100mm,but also can make other hole size up to 2000mm as request.
• Electrical noise : ≤70mΩ(50rpm)
• Dielectric strength : ≥1000V@50Hz
• Isolation resistance : 500MΩ@500VDC
• Operating Speed : 0-300rpm
• Contact Material : Precious Metals
• Operating temperature : -20~+60℃
• IP protection grade : IP54
• Through bore size : 80mm