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EISSY24 – E2S A105 Intrinsically Safe Sounder (24V DC | 105dB | Zone 1/2 | ATEX & IECEx Certified)

The EISSY24 is a high-output, Intrinsically Safe version of the popular E2S A105 sounder, delivering a robust 105dB sound output from a compact, flameproof enclosure. Certified for use in Zone 1 and Zone 2 hazardous areas, this unit is ideal for installations where flammable gases, vapours, or mists are present and reliable audible signalling is critical.

Powered by 24V DC, the EISSY24 features 49 selectable tones, making it suitable for evacuation alerts, status warnings, and emergency notifications in hazardous environments.

⚡ Key Benefits:

• ATEX & IECEx approved – certified for use in explosive gas atmospheres (Zone 1/2)

• 105dB sound output @ 1m – clear and commanding audible alerts in industrial spaces

• 49 user-selectable tones – configure alerts by priority or zone type

• Compact & rugged design – fits easily into control panels and tight installation areas

• 24V DC operation – compatible with intrinsically safe circuits and barrier systems

• IP66 flameproof enclosure – designed for durability in the harshest conditions

🔧 Technical Specifications:

• Model Code: EISSY24

• Voltage: 24V DC

• Sound Output: 105dB @ 1m

• Tone Selection: 49

• Alarm Stages: 3 (externally triggered)

• Certifications: ATEX, IECEx, INMETRO – suitable for Zone 1 / Zone 2

• Housing: Flameproof alloy (corrosion-resistant coating)

• Ingress Protection: IP66

• Cable Entries: 2 × M20

• Operating Temperature: -40°C to +70°C

🛠 Ideal Use Cases:

• Petrochemical processing plants

• Oil refineries and tank farms

• Offshore drilling platforms and rigs

• Industrial hazardous zones with flammable vapours

• Confined areas where IS-rated audible alarms are required

⚠️ Note: Requires use with Zener barriers or galvanic isolators to maintain intrinsic safety within your circuit.

🛒 Serious sound for serious safety. Add the EISSY24 to your Zone 1/2 alert system for powerful, compliant audible warnings in explosive environments.