SIEMENS FDME221 / FDM221 SWITCHING UNIT WITH DIRECT ALARM ACTUATION
The Siemens FDME221 / FDM221 is a high-reliability switching unit designed for direct alarm actuation in fire detection and safety systems. Built to meet rigorous industry standards, this device ensures dependable performance and precise signal handling for critical alarm circuits.
Manufacturer: Siemens
Type: Switching Unit with Direct Alarm Actuation
Model: FDME221 / FDM221
Id. No.: 474B896
SN: 100125ES30
REF NO: A5Q00002451 30 / 0786-CPD-20368
TYPE: A
Technical Information
- Operating Voltage: 12 / 33 V DC
- Quiescent Current: 200 μA
- Terminal Block: 0.28 / 1.5 mm²












