The Marathon 650-XPL-08 is a ball bearing, close-tolerance roller style, two-speed transfer switch. Its features include quick make, quick break contacts, independent operating shafts, a common composite shaft, and a stainless steel housing. The switch has an adjustable speed range from 1000 rpm to 3000 rpm, and it is UL listed. This switch has been designed for long-term reliable operation with a high contact life rating of 500,000 operations. The switch complies with UL 508 standards, is rated for 50 Amps and 125/250VAC, and it is RoHS compliant. This switching solution is perfect for heavy loads and industrial applications.