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D2xB1LD3 and D2xC2LD3 - UL1971/UL464 Class I & II Division 2 , Zone 2 & 22 LED beacon & combination signal

The globally approved D2xB1LD3 LED light/beacon and D2xC2LD3 combination signal alarm horn/sounder with LED light/beacon provide industry leading performance for Class I/II Division 2 or Zone 2/22 hazardous area public or private mode fire applications.


The E2S Warning Signals D2xB1LD3 and D2xC2LD3 LED are the only hazardous location fire signals approved to UL1971/UL1638 and CAN/ULC-S526 for public and private mode applications that meets the 20ms pulse width requirements of the NFPA72 2016 code. With a light output of up to 83.1cd for public mode, 112.5cd for private mode and an operating current of only 153mA the beacon provides the effectiveness of a Xenon strobe flash, offering a unique solution for installers, specifiers and engineers who require unparalleled performance and innovative features in a robust, compact enclosure.

Featuring the E2S auto-synchronization technology and industry leading low in-rush, multiple beacons can be powered from the same source significantly reducing system power requirements. The auto-synchronization feature, available for all four flash patterns (1, 1.3, 1.5 & 2Hz), negates the requirement for additional synchronization modules (with their associated device limits) and is protocol agnostic – enabling a wider choice of power supplies in the system design.

The D2xC2LD3 combination fire signal enables complete audio-visual notification in the harshest of environments – the beacon and horn can be powered from the same power source reducing cabling costs and installation time. UL, cUL and ULC ‘quad approved’ to NEC, CEC, IECEx and ATEX codes the D2x family of visual signals can be installed in all Class I/II Division 2 hazardous locations and Class I Zone 2 and Zone 22 non-sparking applications anywhere in the world.

The lightweight, marine grade, enclosure has been designed to create the optimal signal. Its innovative construction includes both conduit or surface mounting capabilities – without the need for any additional accessories. With an operating temperature range of up to -40° to +122°F (-40°C to +50°C) plus IP66 rating to EN60529 and Type 4/4X/3R/13 ratings per UL50E/NEMA250, the D2x family of signaling devices can be employed in the most arduous of applications.

Range information:
Enclosure material Corrosion proof, marine grade, copper free LM6 aluminum, chromated and powder coated.
Enclosure colour Red (RAL3000)
Ingress Protection Type 4, 4X, 13, 3R, (IP66/67)
Mounting Integrated pendant and surface mount capability.
Optional pole/pipe mount assembly.
Cable/conduit entries 1 × 3/4” NPT rear conduit entry
2 × 1/2” NPT side conduit entries
2 x M20 ISO side conduit/gland entries
Stopping plugs included (brass, nickel plated or stainless steel)
Dimensions D2xB1LD3: 132.45mm x 130.00mm x 168.00mm (5.21” x 5.12” x 6.61")
D2xC2LD3: 147.00mm x 310.34mm x 168.00mm (5.79” x 12.22” x 6.61")

UL1971
Public mode
candela
UL1638
Private mode
candela
Effective
candela IES
Voltage Voltage range Nominal current
@ 24Vdc
In rush @ 24Vdc Flash rates
D2xB1LD3 82.1 112.5 252.0 24Vdc Regulated
(16-33Vdc)
153mA
189mA
203mA
248mA
1.18A
1.22A
1.2A
1.22A
1Hz
1.3Hz
1.5Hz
2Hz
D2xC2LD3 79.3 107.5 252.0 24Vdc Regulated
(16-33Vdc)
403mA
439mA
453mA
498mA
2.3A 1Hz
1.3Hz
1.5Hz
2Hz

To discover the full D2x signal range please click here.

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