> Panasonic ETH20MD_IIB+H2 Ex horn loudspeaker 25 W
> Source: https://pap.fi/en/tuote/eth20md-iib-h2/
> Full site in machine-readable form (in Finnish): https://pap.fi/llms-full.txt
> Pages in English: https://pap.fi/llms.txt

# Panasonic ETH20MD\_IIB+H2 Ex horn loudspeaker 25 W

Product code ETH20MD\_IIB+H2

25 W Ex horn loudspeaker for hazardous areas with explosive gas and dust (Ex zones 1, 2, 21 and 22). Aluminium housing, IP66, marking Ex db IIB+H2 Gb.

-   Ex marking Ex db IIB+H2 Gb, Ex tb IIIC Db
-   Ex zones 1, 2, 21 and 22
-   Power taps 6 / 12 / 20 / 25 W (100 V)
-   IP66, aluminium

## Product description

ETH20MD\_IIB+H2 is a 25 W Ex horn loudspeaker for hazardous areas where an explosive gas or dust atmosphere may occur. According to Panasonic, it is intended for industrial sites that require clear voice announcements, explosion protection and reliable operation in demanding environmental conditions.

The loudspeaker is suitable for Ex zones 1, 2, 21 and 22. The marking is Ex db IIB+H2 Gb, Ex tb IIIC Db, II 2GD T6 T5. According to Panasonic, the IP66 rating withstands the demanding conditions of offshore and onshore installations. The power is selected on the 100 V line: 6, 12, 20 or 25 W.

The IIC version of the same loudspeaker is ETH20MD\_IIC. The stainless steel model is ETHY20MD\_IIB+H2.

## Technical data

- **Product code:** ETH20MD\_IIB+H2
- **Manufacturer:** Panasonic
- **Product group:** Voice alarm systems › Ex loudspeakers
- **Rated power:** 25 W
- **Power taps (100 V):** 6 / 12 / 20 / 25 W
- **Frequency range:** 650–10,000 Hz (6 W), 450–9,000 Hz (12 W), 400–9,000 Hz (20 W), 350–10,000 Hz (25 W)
- **Sound pressure level (rated power, 1 m):** 112 dB
- **ATEX classification:** Ex db IIB+H2 Gb, Ex tb IIIC Db, II 2GD T6 T5
- **ATEX certificate:** INERIS 09 ATEX 0024X
- **Ex zones:** 1, 2, 21, 22
- **Standards:** EN 60079-0, EN 60079-1, EN 60079-31
- **IP rating:** IP66
- **Operating temperature:** −20…+60 °C
- **Humidity:** Below 95%
- **Dimensions:** Ø 270 × 444 mm
- **Weight:** 3.5 kg
- **Material:** Aluminium

## Documents

Original manufacturer documents (PDF).

### Technical datasheets

-   [Datasheet: ETH20MD Loud (Ambient System)](https://pap.fi/liitteet/valmistajat/ambient-system__20251118_ETH20MD-LOUD_ds_en.pdf) PDF · English · 384 kB
-   [Product catalogue (series): PAVA voice alarm system](https://pap.fi/liitteet/valmistajat/panasonic-fire-security__en_cat_pava_mew03121_rev_.pdf) PDF · English · 3.9 MB
-   [Technical datasheet (series): PAVA voice alarm system](https://pap.fi/liitteet/valmistajat/panasonic-fire-security__en_td_pava_mew03049_rev_.pdf) PDF · English · 9.9 MB

### Certificates and declarations

-   [EU declaration of conformity (series): Ambient System loudspeakers LS-DCE-20251112](https://pap.fi/liitteet/valmistajat/ambient-system__20251112_LS-DCE-20251112_Loudspeakers.pdf) PDF · English · 599 kB