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D2xB1XH1 Haz Loc UL1971 Xenon Strobe 1-31-070

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The D2xB1XH1 features a high output UL1971 rated 18.18cd, 5 Joule Xenon strobe warning light / beacon. Globally approved, the robust Type 4/4X, IP66 enclosure ensures suitability for all haz loc fire alarm and general signalling applications.
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Haz Loc UL1971 Xenon Strobe


Multiple D2xB1XH1 units will auto-synchronize when powered from the same power source removing the need for any additional sync modules in the circuit. One device, worldwide certification: NEC/CEC CI D2 and CII D2; NEC CI Zone 2 and Zone 22; CEC Zone 2 & 22 and CII D2; ATEX, IECEx Zone 2 & 22. UL1638/UL1971 & CAN-ULC-S526 tested – suitable for public mode fire alarm, ADA compliant, hearing impaired applications.


Datasheet Datasheet.pdf
Installation Manual D211-00-251-IS-SC_Issue_F__D2xB1XH1-2_.pdf
IECEx certificate IECEx_ULD_14.0004X_Issue_4_D2x.pdf
ATEX certificate DEMKO_14_ATEX_4786493904X_Issue_4_D2x.pdf
UL certifcate of compliance UL_CoC_-_20191226-E245313_Vol.1_Sec.2_D2xB1.pdf
CSFM Listing CSFM_Listing_2279-0500_D2xB1_2023.pdf
Declaration of Conformity DC-061_Issue_I_D2x.pdf
2D drawing (PDF) D211-05-251_Issue_1.pdf
2D drawing (DWG) D211-05-251_Issue_1.DWG
3D drawing (IGS) D211-05-251-3D_Issue_A.IGS
3D drawing (STEP) D211-05-251-3D_Issue_A.STEP
Wiring Schematic D211-06-251_Issue_1__D2xB1H1-2_.pdf
Hi-res product image 1 (TIFF) 1-31-070_D2xB1XH1-RC.tif
Lo-res product image 1 (JPG) 1-31-070_D2xB1XH1-RC.jpg
Pipe Mount Drawing (PDF) D217-05-241_Issue_B_D2xB1.pdf


  • UL1971/UL1638 Public mode fire
  • CAN/ULC-S526 Fire approved
  • 18.18 eff. candela
  • Auto-synchronized
  • Xenon tube mechanically secured against vibration & shock
  • User replaceable Xenon tube assembly
  • Duplicate cable terminations (in & out for daisy-chain installations)
  • Large termination area
  • Marine grade aluminum enclosure
  • Ingress protection Type 4/4X/3R/13, IP66
  • High impact resistant Borosilicate glass lens
  • Stainless steel external and internal fixings
  • Duplicate, pluggable cable terminations
  • Conduit mounting via integral 3/4" NPT entry
  • Surface mounting via user installed lugs
  • Dual 1/2"NPT and dual M20 entries
  • Supplied with haz loc rated stopping plugs
  • Compact footprint


Energy: 5 Joules (5Ws)
Source: Xenon strobe
Modes: 1Hz flash (60 fpm)
Effective cd: 18.18 cd – UL1971
Peak Candela: 500,000 cd – calculated from energy (J)
Effective cd: 250 cd – calculated from energy (J)
Voltages: 24Vdc – 20-28Vdc
Ingress protection: IP rating per EN60529:IP66
Type rating per UL50E/NEMA250:4/4X/3R/13
Enclosure material: Marine grade LM6 aluminum alloy
Colour: Red (RAL3000)
Lens colour: Clear
Lens material: Borosilicate glass dome
Cable entries: 2 x M20x1.5, 2 × 1/2"NPT, 1 × 3/4"NPT
Stopping plugs: Nickel Plated Brass plugs included – brass or stainless steel optional
Mounting: Conduit mount via 3/4" NPT entry
Surface mount via supplied lug pack (user installed)
Ground/Earth stud: M5
Terminals: 0.5 – 2.5mm² (20-14 AWG)
Line monitoring: Blocking diode included
EOL can be factory fitted
Operating temp: -40 to +50°C [-40° to +122°F]
Storage temp: -40 to +70°C [-40° to +158°F]
Relative humidity: 95%
Weight: 1.5kg/3.31Ibs

Current Consumption

In rush: Voltage
24V dc 800mA <5.4ms 20-28V dc 276mA

Part Codes

Part Code: Ident.: Description:
Product type: D2xB1XH1 18.18cd 5 Joule Xenon Strobe warning light / beacon
Voltage: DC024 24V dc (20-28Vdc)
Cable entries: [e] M 2 x ½” NPT, 2 x M20x1.5, 1 × 3/4"NPT
Stopping plug material: [m] N
Nickel plated brass
Stainless Steel
Lens guard & tag: [s] 0
No lens Guard
No lens guard with Equip. Tag
Version: [v] H1 UL, cUL, IECEx & ATEX, CSFM
Enclosure: [x] R Red RAL3000
Lens colour: [y] C Clear
Accessories: SP65-0001-A4
Pole Mount Bracket Kit 2" St/St A4 (316)
Sunshade – St/St A4 (316)


  • UL/cUL File ref: E245313
  • IECEx certficate: IECEx ULD 14.0004X
  • ATEX certificate: DEMKO 14 ATEX 4786493904X
  • CSFM certificate: 7300-2279:0500


  • NEC / CEC:
    Class I Div 2 ABCD T2D Ta -40°C to +50°C
    Class I Div 2 ABCD T3 Ta -40°C to +45°C
    Class II Div 2 FG T6 Ta -40°C to +50°C
    Class III Div 1&2 Ta -40°C to +50°C
  • NEC:
    Class I Zone 2 AEx nA IIC T2 Gc (Ta -40°C to +50°C)
    Zone 22 AEx tc IIIC 80°C Dc (Ta -40°C to +50°C)
  • CEC:
    Class I Zone 2 Ex nA IIC T2 Gc X (Ta -40°C to +50°C)
    Zone 22 Ex tc IIIC 80°C Dc (Ta -40°C to +50°C)
  • IECEx & ATEX:
    II 3G Ex nA IIC T2 Gc (Ta -40°C to +50°C)
    II 3D Ex tc IIIC 80°C Dc (Ta -40°C to +50°C)

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