Abstract
An industrial system includes an industrial actuator including a primary compartment containing a primary electric device and a secondary compartment containing a secondary electric device; a pressure system generating an overpressure in the primary compartment and in the secondary compartment with respect to the exterior region; a power line for supplying electric power to each primary electric device and each secondary electric device; a primary switch provided on the power line arranged to selectively connect and disconnect power supply to each primary electric device and each secondary electric device; and a secondary switch provided on the power line arranged to selectively connect and disconnect power supply to each secondary electric device, the secondary switch being positioned inside the primary compartment.