Protective housing for surface mounting, lockable, with ventilation slots, for mounting control devices in offices, workshops, etc. Protective housing for wall mounting. Lockable to prevent unauthorized adjustment. Housing is provided with ventilation slots. Suitable for mounting control devices in offices, workshops, etc.Protective housing for wall mounting. Lockable to prevent unauthorized adjustment. Housing is provided with ventilation slots. Suitable for the installation of control devices in offices, workshops, etc.