Main Performances
The housing is made of aluminum with insulating thermoplastic bands. The device is positioned on a vertical axis. Connections are made through rings wired with a 2-meter long cable, and cable entry is facilitated by single-pole wires connected to the rings through pipe unions M32 to the brush-holders. Brushes are available in copper-graphite with capacities of 20 A, 50 A, and 100 A. Executions range from 20 to 60 rings at 20 A, with mixed executions of 20/50/100 A.

Standards and Marking
The product complies with harmonized rules CEI-EN 60947-1 and CEI-EN 60529, as well as directives 2014/35/UE, 2014/30/UE, and 2006/42/CE. It is marked with the CE symbol.

Accessories
Available on demand are Mercotac, Absolute Encoder, Micro-switches application, and one passage for air. Mixed executions with 100 A, 50 A, and 20 A, as well as types with appropriate rings for signals, are also available.

Functional Features
The nominal voltage is 660 V AC/DC, with nominal currents of 20 A, 50 A, and 100 A. The protection degree is IP65, with a maximum rotating speed of 30 revs/min. The test voltage is 2.5 kV, and the operating temperature ranges from -20 °C to +60 °C.

Technical Sheet
The sliprings type is PME Evolution, with standard types ranging from 20 to 60 rings. Dimensions vary with the number of rings, with specific measurements provided for each type.

Installation and Wiring
Installation must be performed by qualified personnel, ensuring power is off before wiring. Connections should follow the wiring scheme of the controlled equipment. The base plate uses fork fastons with interaxis 260 mm and screws M10. Cables are connected through lateral pipe unions, with specified torque for brush terminals. Equipotential and ground connections must be checked.

Maintenance
Periodic maintenance is required, performed by qualified personnel using original spare parts. Steps include disconnecting from the power source, checking brushes, removing dust, and ensuring cable tightness. The guarantee does not cover modified or tampered equipment.

Dimensions
Detailed dimensions are provided for installation, emphasizing the need for compliance with safety standards and proper wiring.

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