Profile: Cobalt Controls Ltd. are manufacturers, distributors and stockists of AC & DC variable speed drives. Our other products are AC motors, DC motors and shaft encoders. We offer a full range of encoders that includes incremental encoders, absolute encoders, linear encoders, solid shaft encoders, hollow shaft encoders, motor mounted encoders, metric wheel encoders, and electronic hand wheel encoders. Our N series rare earth DC motors comprise high specification magnet material and high torque constant throughout speed range. We also supply DC motors with spur gearboxes with a choice of solid metal or sintered gears. They feature with shaft encoder option.