Siemens FDO221 - Page 121

7BSpecifications
54BTechnical data FDOOT221, FDOOT241-x / -Ax
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Building Technologies
007004_t_en_--
Fire Safety
2015-11-04
External alarm indicators
External alarm indicators which can be
connected
2
● Sounder base 1
Voltage DC 10…17 V
Current 9…15 mA
Length of line ● Max. 30 m with unshielded cables,
or when the shielding is connected
to the positive pole of the detector
base
● Max. 5 m, if the shielding is
connected to earth
Flashing interval times:
● Bright 15 ms
● Dark 1 s