Short descriptionThe D2xC4 is an integrated hazardous-location alarm bar assembly combining high-output LED or Xenon strobe beacons with the D2xS1 high-output alarm horn. Suited to Class I/II Div 2 and Zone 2/22 environments, the compact close-coupled assembly includes a factory-installed cable loom and an integrated junction box for simplified termination and installation.
Ordering / Options- Junction box: J1 — junction box with 12 × SAK 2.5 DIN rail terminals
- Beacon options (select per position): D2xB1X05 (5J Xenon), D2xB1X10 (10J Xenon), D2xB1LD2 (LED multi-function)
- Lens colours: Amber, Blue, Clear, Green, Magenta, Red, Yellow
- Alarm horn: Integrated D2xS1 alarm horn sounder (selectable tones/stages)
- Voltage options: 24V dc (18–30Vdc), 115–120Vac (50/60Hz), 220–230Vac (50/60Hz)
- Cable entries: Multiple options (2 × M20x1.5; 2 × 1/2" NPT; 2 × 3/4" NPT; 2 × M25x1.5; single-entry variants; adaptors available)
- Stopping plug/adaptor materials: Brass, Nickel plated brass, Stainless steel
- Guard material: 316 A4 stainless steel (option with equipment tag & duty labels)
- Approvals / product versions: UL, cUL, IECEx, ATEX
- Product options: Standard; custom wiring; custom configuration; custom alarm tone software
- Enclosure colours: Red or Grey (custom colours available)
Features- Private mode fire use & general signaling UL464/UL1638
- Globally approved: UL, cUL, IECEx, ATEX
- Available with LED and/or Xenon strobe beacons
- Integrated high-output alarm horn up to 116 dB(A) @ 1 m
- Four remotely selectable alarm stages/channels and 64 selectable tones
- Automatic synchronization on multi-sounder systems
- Factory-assembled with integrated cable loom and integrated junction box
- Close-coupled assembly mounted on stainless steel back plate
- Marine-grade LM6 aluminium enclosure, borosilicate glass lenses and stainless steel lens guards
- Ingress protection: Type 4/4X/3R/13, IP66/67
- Field-replaceable colour filters and supplied with hazardous-location rated stopping plugs
Specification (selected key data)Beacon option: D2xB1LD2 LED Beacon — Source: array of 4 × high power Cree® LEDs; Effective intensity: 73.4 cd (UL1638 private mode), 180 cd (general signaling); Peak intensity: 300,000 cd; LED life: >60,000 hours; Synchronization: 1Hz, 1.3Hz, 2Hz.
Beacon option: D2xB1X10 10J Xenon — Energy: 10 J; Flash rate: 1 Hz; Peak candela (calc): 1,000,000 cd; Eff. intensity (calc): 500 cd.
Beacon option: D2xB1X05 5J Xenon — Energy: 5 J; Flash rate: 1 Hz; Peak candela (calc): 500,000 cd; Eff. intensity (calc): 250 cd.
Alarm horn option: D2xS1 — Maximum output: 116 dB(A) @ 1 m [107 dB(A) @ 3 m]; Nominal: 112 dB(A) @ 1 m ± 3 dB (Tone 2); 64 tones (UKOOA/PFEER compliant); 4 stages; Volume control adjustable (-12 dB(A)).
General informationMounting: Pole mount kit included; Enclosure: LM6 marine grade aluminium, chromated & powder coated; Lens material: Borosilicate glass dome with PC colour filter; Lens guard: 316 A4 stainless steel; Cable entries: standard 2 × 1/2" NPT (others via adaptors); Terminals: 0.5–2.5 mm² (20–14 AWG) SAK 2.5 or BK12; Grounding stud: M4; Installation temp: -40 to +50 °C; Storage: -40 to +70 °C; Relative humidity: 99% (tropicalised/conformal coated electronics).
Current consumption (nominal)24V dc (18–30Vdc): D2xB1LD2 99.5 mA / D2xB1X10 560 mA / D2xB1X05 275 mA / D2xS1 313 mA
115–120Vac 50/60Hz: D2xB1LD2 68 mA / D2xB1X10 185 mA / D2xB1X05 80 mA / D2xS1 90 mA
220–230Vac 50/60Hz: D2xB1LD2 70 mA / D2xB1X10 107 mA / D2xB1X05 30 mA / D2xS1 52 mA
Part codes / codingProduct identifier: D2xC4 = Integrated alarm bar of LED and/or Xenon beacons with alarm horn sounder. Junction box: J1 = 12 × SAK 2.5 DIN rail terminals. Beacon coding example: numeric identifier + colour character (e.g. 5R = D2xB1LD2 with red lens). Voltage codes: DC024, AC115, AC230. Example part code: D2xC4 J1 5G 5A 5R S1 DC024 B N 1 A 1 G.
Approvals- UL/cUL: File ref E245313, E230764
- IECEx: IECEx ULD 14.0004X
- ATEX: DEMKO 14 ATEX 4786493904X
- CSFM listings and NEC/CEC classifications for Class I/II Div 2 and Zone 2/22
Tone table (overview)The D2xC4 supports 64 selectable tones (T1–T64), each mapped to stages 1–4. Examples: T1 TF037.WAV 1000 continuous (PFEER Toxic Gas); T2 TF009.WAV 1200/500 @1Hz sweeping; T3 TF045.WAV 1000 @0.5Hz intermittent. Country-specific or custom tone configurations available on request.
NoteThe D2xC4 is configurable: select beacon types and colours, junction box, stopping plug materials, guard options, approvals and voltages to match site and regulatory requirements.