Specifications:
The ETHY20MD series is an explosion-proof electronic sounder/horn designed for use in potentially explosive environments. It is certified under the ATEX directive 2014/34/EU and complies with the EN60079 standard. The device operates in zones 1, 2, and 22, with temperature classifications of T5 (up to 100°C) and T6 (up to 85°C). The working temperature ranges from -40°C to +60°C, and it offers IP66 protection.

Features:
The sounder is constructed from stainless steel 316 and includes an electronic modular circuit and resonance unit. It is capable of producing five different tones for various warning and evacuation scenarios. The sound is amplified by an external exponential trumpet, also made of stainless steel 316. The sound levels range from 76 dB at 64 meters to 94 dB at 8 meters.

Technical Specifications:
The ETHY20MD is available in multiple voltage options: 24VAC/DC, 48VAC, 48VDC, 115VAC, 115VDC, and 230VAC. It has a rated current of 0.220A at 24V AC/DC. The sound power is 109/112 dB at 1 meter and 99/102 dB at 3 meters. Cable entry options include 2 x M16, 2 x M20, or 2 x M25.

Sound Options:
The device offers five-tone sound options, including two-tone (550Hz/0.1sec + 440Hz/0.4sec), monotone (550Hz), yelp (fast ramp from 600 to 1550Hz), wail (slow ramp from 600 to 1550Hz), and periodic intermittence (550Hz 1s ON / 1s OFF).

Additional Information:
The sounder weighs 10 kg and is mounted using a bracket. It is designed for continuous service. Optional accessories include epoxy coatings in various colors (yellow, blue, grey, black).