Siemens FDL242 Cerberus PRO Linear Smoke Detector (Beam)
An addressable linear smoke detector with the infrared emitter and receiver in one unit, working with a prism reflector on the opposite side of the room.
Dealer for Siemens
Siemens Beam Smoke Detector in Bhopal
Fire Protection System (FPS), a Siemens dealer in Bhopal, supplies the Siemens FDL242 linear (beam) smoke detector from the Cerberus PRO range, an addressable detector for FDnet and C-NET detector lines. FPS installs, aligns and maintains it across Madhya Pradesh.
Where to use Beam Detectors
- Open rooms and halls where one infrared beam can span the space to a reflector
- Buildings on a Siemens Cerberus PRO system with C-NET detector lines
- Buildings on a Siemens Sinteso system with FDnet detector lines
- Indoor areas with operating temperatures from -20 to +55 °C
- Spaces where the detector and its reflector can face each other with a clear path
- Areas where staff need to see an alarm at the detector itself (built-in alarm indicator)
Siemens Beam Detectors models
How to choose
A linear smoke detector watches a whole line across a room with one beam of infrared light. In the Siemens FDL242 the light emitter and the receiver sit in the same housing: the beam travels to a prism-shaped reflector on the far side and back again. Smoke in the beam path weakens the returned signal, and when the loss reaches the set measuring values the detector reports the danger level to the control panel.
The FDL242 is addressable: it sits on an FDnet or C-NET detector line, the addressable line that both powers the devices and carries their messages (DC 12 to 33 V, 3.7 mA). It also measures distance so that it can recognise a foreign object in the beam path, and its built-in alarm indicator shows the alarm status on the spot.
Siemens offers different reflectors for different distances, so the reflector is matched to the span between the detector and the opposite wall. Siemens lists EN 54-12, EN 54-17, VdS and UKCA for this detector. EN 54-12 is the part of the European EN 54 standard for line type smoke detectors that use an optical beam. Share your room size with FPS and confirm the exact part numbers before ordering.
Frequently asked questions
How does the Siemens FDL242 beam detector work?
It sends a bundled infrared beam to a prism-shaped reflector and measures the light that comes back. Smoke in the path weakens the signal, and at the set threshold the detector reports the danger level to the control panel.
Is the FDL242 addressable?
Yes. It connects to an FDnet or C-NET detector line, the addressable loop used by Siemens Sinteso and Cerberus PRO panels, and takes its power from that line.
Which reflector do I need with the FDL242?
Siemens offers different reflectors for different distances. FPS checks the span across your room and confirms the matching reflector and part number before you order.
Which standards does Siemens list for the FDL242?
Siemens lists EN 54-12 and EN 54-17, with VdS and UKCA. EN 54-12 covers line type smoke detectors that use an optical beam.
Does FPS install Siemens beam detectors in Bhopal?
Yes. FPS is a Siemens dealer and supplies, installs and maintains Siemens detectors in Bhopal and across Madhya Pradesh. Prices are on request: call or WhatsApp +91 92440 89060.