Duct smoke detectors

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.