Features

• LED/Buzzer Combination with ASI function and Touch Acknowledgement Function - 450 Series. Unique acknowledgement function: by gently pressing the front face the audible signal can be turned off leaving the optical signal on to highlight the malfunction LED Permanent light with additional continuous tone Silence the audible signal by lightly pressing the frontal area Acknowledgement signal fed back to the Master via AS-Interface Bus Life duration up to 50,000 hrs 2.8 kHz tone frequency Installation mounting for Ø 22.5 mm (Mzz x 1.5 mm) with anti-twist device