The E2S Warning Signals D1x range represents a continuously evolving portfolio of certified notification, initiation, and detection devices engineered for reliable operation in the most demanding hazardous, industrial, and marine environments.  Combining extensive global certification with advanced electronic design and marine-grade aluminium enclosures, the D1x family delivers hi-performance signalling and detection solutions with exceptional durability and operational integrity.  Devices within the range are approved for Zone 1 applications to ATEX/IECEx standards, and for Class I/II Division 1 locations to UL/cUL. Selected variants additionally carry approvals including EN54-23, DNV, MED/MER, UL1638, CAN/ULC-S526, and UL Marine.  Enabling global deployment across harsh and hazardous industrial, offshore, and maritime applications.

Integrated audible and visual notification
The D1xC1 and D1xC2 ranges combine hi-intensity audible and visual signaling in a single, factory-configured device, simplifying installation while maximising alarm effectiveness. Xenon strobe beacons are paired with either flare horn sounders or compact radial horns, the latter providing omni-directional sound coverage regardless of mounting orientation.

Strobe options include 5 and 10 Joules outputs delivering up to 260 effective Candelas with seven UV-stable, field-replaceable len colour options. Whilst sound output reaches up to 123dB(A) for hi-noise environments. Selected 24Vdc variants are approved for fire alarm applications. A threaded flame path, compact internal layout, and ratchet-adjustable stainless steel brackets improve serviceability, wiring access, and installation accuracy.

The D1xC1F series extends the range to fully certified explosion-proof public mode fire alarm solutions for Class I Division 1/2 and Zone 1 to UL/cUL installations. It includes 15W and 25W loudspeakers with 25/70V line transformers or hi-output alarm horns, combined with Xenon strobes up to 190 Candelas, with automatic synchronisation as standard. 

Standalone signalling, initiation and detection devices
The D1xB2 Xenon beacon range provides configurable outputs of 5, 10, 15, or 21 Joules, achieving peak light intensities of up to 1250 effective candelas. LED beacon variants are available for low-power applications.

D1xS alarm horn sounders are offered in both flare and radial configurations, supporting up to 64 selectable primary alarm tones via internal DIP switch configuration and sound levels of up to 128dB(A). Remote activation enables up to four alarm stages or channels. The D1xS1 24Vdc variants are certified for public mode fire alarm applications.

The D1xL loudspeaker series includes 15W and 25W models with both low-impedance and 70V line configurations. DNV type approval confirms suitability for offshore PAGA and fire voice alarm systems. High Q-factor transducers, controlled directivity, and factory-fitted line transformers ensure superior speech intelligibility in hi-ambient noise and corrosive marine environments.

The D1xCP1-PS manual call point is UL and UL Marine listed, SIL2 compliant, and rated to NEMA 4X, providing robust and reliable manual initiation in hazardous and corrosive conditions.

The D1xH1 heat detector range incorporates Detect-A-Fire® rate-compensated sensing technology within rugged marine-grade enclosures. Certified to ATEX/IECEx for Zones 0 and 1, and to UL/cUL for Class I/II Divisions 1 and 2, and SIL2 compliant to IEC 61508, these detectors deliver precise and dependable fire and over-temperature detection in critical environments.

A benchmark for hazardous area signalling
By integrating hi-output performance, global certification, and ruggedised construction, the D1x family establishes a reference standard for hazardous-area signalling devices.  From audible and visual notification to voice evacuation, manual initiation, and thermal detection, the D1x platform provides a scalable, compliant, and highly reliable safety solution for critical and harsh industrial applications where life safety and operational continuity are paramount.  Further information is available at www.e2s.com