Siemens DO1133A smoke detector

Siemens DO1133A Detector
Model Code DO1133A
Model Info

Siemens DO1133A is a smoke detector with increased sensitivity for use in air sampling smoke detection systems. With the auto-addressable feature, no dip switch or punch card settings have to be made. It has a built-in isolator that enables the fire control panel to localise short circuits and open lines during commissioning.

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