Need a reliable way to pass power or signals through a rotating connection? Check out the Mercotac 230 slip ring. It's a high-quality, mercury-wetted slip ring with 2 conductors, each rated for up to 30 amps of AC current. Made in the USA by Mercotac, a trusted name in electrical contacts. Model number is 230. It's brand new in its packaging. Slip rings are essential for applications where something spins continuously – think rotating displays, cable reels, turntables, wind turbines, or industrial machinery. The mercury design ensures low electrical noise and long life with minimal maintenance. Just mount it between your stationary and rotating parts. If you're building or repairing equipment that needs smooth, uninterrupted power transfer while spinning, this is a top-notch component. Ditch those problematic brush-type slip rings. Reliable, efficient, and built to last. Perfect for engineers, makers, or maintenance pros.