Duct smoke detectors

Optical duct smoke detector with service alarm and built-in control unit, 24V. Free-rotation in any direction.

Optical duct smoke detector with service alarm and built-in control unit, 24V. Rotates 360°. Display showing contamination and communicates via Modbus RTU. With relays for smoke alarm, contamination, electronic airflow and failure.

Optical duct smoke detector with service alarm and built-in control unit, 24V. Rotates 360°. Modbus RTU and Bluetooth communication with the Calectro Assistant App. With relays for smoke alarm, contamination, electronic airflow and failure.

Optical duct smoke detector with service alarm and built-in control unit, 230V. Free-rotation in any direction.

Optical duct smoke detector with service alarm and built-in control unit, 230V. Rotates 360°. Display showing contamination and communicates via Modbus RTU. With relays for smoke alarm, contamination, electronic airflow and failure.

Optical duct smoke detector with service alarm and built-in control unit, 230V. Rotates 360°. Modbus RTU and Bluetooth communication with the Calectro Assistant App. With relays for smoke alarm, contamination, electronic airflow and failure.

Optical smoke detector with automatic sensitivity adjustment and service alarm, for conection to external control unit. For use in ventilation ducts. Free-rotation in any direction.

Optical duct smoke detector with automatic sensitivity adjustment, service alarm and built-in control unit, 24V

Optical duct smoke detector with automatic sensitivity adjustment, service alarm and built-in control unit, 230V

Optical duct smoke detector with automatic sensitivity adjustment, service alarm and built-in control unit, 24V.

Optical duct smoke detector with automatic sensitivity adjustment, service alarm and built-in control unit, 230V.

Optical duct smoke detector with automatic sensitivity adjustment and service alarm. For connection to control unit ABAV-S3.