Siemens FDO421 Photoelectric Smoke Detector
$185.00
The Siemens FDO421 Photoelectric Smoke Detector is a plug-in, two-wire, addressable photoelectric smoke detector. The FDO421 supports two operation modes: polarity insensitive mode and isolator mode.
The FDO421 may be used with Siemens Model ‘H’ series devices on the same loop (with Desigo fire-alarm control panels FACPs or FireFinder XLS FACPs).
COMPATIBLE FACPs:
— FireFinder XLS
— FC2025 Desigo 252-point system
— FC2050 Desigo 504-point system
— FV2025 252-point intelligent voice communication system
— FV2050 504-point intelligent voice communication system
COMPATIBLE BASES and ACCESSORIES:
— DB-1 Detector Mounting Base
— DB-11E Detector Base {small}
— DB-2HR Relay Base
— DB-11C Detector Mounting Base for use in CANADA
— RL-HC Remote Alarm Indicator: 4” octagon-box mount, red
— RL-HW Remote Alarm Indicator: Single-gang box mount, red
— FDBZ492 Addressable AirDuct Housing
— FDBZ492-HR Addressable AirDuct Detector with Relay
— LK-11 Base Locking Kit
— DPU Device Programmer / Loop Tester
