• Casing/roof fixing plate in pickled, phosphated and polyester powder coated steel against the aggressive action of atmospheric agents.
• 3-speed fan with optional TRIO-CA device (cod. 12869), consisting of:
• AC motor, thermally protected, with shaft mounted on ball bearing support,
• Inverted blade centrifugal impeller.
• For remote environmental sensors of: Temperature, Relative Humidity, Smoke and Presence.
• Galvanized steel fixing brackets.