Main Performances
The slipring housing is made of aluminum, suitable for both indoor and outdoor installations. It is positioned on a vertical axis with a threaded pipe at the bottom. Connections are made through rings cabled with a 2-meter long cable, and cable entry is facilitated through the fastener pipe for rings and PG21 cable entry for brush holders. Brushes are available in 20 A or 50 A copper graphite/silver graphite for signals. Executions range from 6 to 30 rings at 20 A, with mixed executions of 20/50 A.

Standards and Marking
The product complies with harmonized rules EN 60947-5-1, EN 60529, 2006/95/CE, 2004/108/CE, and 2006/42/CE, and is CE marked.

Technical Specifications
Nominal voltage is 660 V AC/DC, with a nominal current of Ith 20 A - 50 A. The protection degree is IP 55, and the maximum rotating speed is 30 revolutions per minute. The test voltage is 2.5 kV, and the operating temperature ranges from -20°C to +60°C.

Standard Types and Accessories
Various types are available, such as G PMS B6 with 6 rings and G PMS B30 with 30 rings. Additional types with 50 A rings, mixed executions, and signal versions with gold or silver rings are available on demand. Accessories like Mercotac, Absolute Encoder, micro-switches, and air passages are also available.

Installation and Wiring
Installation should be performed by qualified personnel, ensuring power is off before cabling. Connections must follow the wiring scheme of the controlled equipment. The central pipe is attached using locknuts to a plate with specific dimensions. Rotation is facilitated by pivots, and cables are connected through the PG21 pipe union. Ensure proper grounding and equipotential checks.

Maintenance
Regular maintenance by qualified personnel using original spare parts is required. Steps include disconnecting power, checking brushes, removing dust, checking cable tightness, and ensuring the cover seal is intact. The guarantee does not cover modified equipment, and Ravioli declines responsibility for damages from incorrect installation or use.

Contact Information
Ravioli S.p.A., Via Passo Pordoi, 4, 20139 Milan, Italy. Tel: +39 02 53.63.01, Fax: +39 02 53.63.05, Email: [email protected], Website: www.raviolispa.com