The SR060E is designed for flow packaging machines, with up to 3 power rings 16 amps and 2 data rings.  Measuring only 60 mm dia. X 92 mm, the features include:

• No exposed power or signal terminals
• No exposed rings
• IP64, Protected from total dust ingress. Protected from water spray from any direction
• Low maintenance - every 100 million operations
• Long life - 500 million operations
• Compact and easy to install
• 4 set screws to ensure that there is no slip on the shaft
• Easy installation, just use a pin to stop the rotation of the outer housing
• Speed up to 500 rpm.
• Up to 3 power rings and 2 data rings, great for hot sealing / cutting and monitoring the temperature of the heater
• Up to 1" bore
• No mercury (important for the food industry) 
• Low cost.