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  The chemical industry – including petrochemicals – with its potentially explosive production processes is one of our most important fields of application.
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  The pharmaceutical sector is characterized by the highest regulatory requirements and poses very specific challenges for explosion protection.
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  Experience in the energy sector has long been part of BARTEC's expertise, and megatrends such as the handling of hydrogen or liquefied natural gas (LNG) are becoming increasingly important.
- Manufacturing and Logistics
  Many industrial production and transport processes would be inconceivable without explosion protection. We provide safety wherever combustible gases, vapors, mists, or dusts are used.
- Hydrogen
  Hydrogen can be harnessed efficiently and responsibly, thanks to our advanced explosion protection solutions.
- Food and Beverages
  Where potential sources of explosion such as dust or gases prevail, BARTEC provides customer-specific solutions in explosion-protected working environments.
Industries
Oil and Gas
We have decades of specialized experience in meeting the high requirements of the oil and gas industry.

Chemical
The chemical industry – including petrochemicals – with its potentially explosive production processes is one of our most important fields of application.

Pharmaceuticals
The pharmaceutical sector is characterized by the highest regulatory requirements and poses very specific challenges for explosion protection.

Energy
Experience in the energy sector has long been part of BARTEC's expertise, and megatrends such as the handling of hydrogen or liquefied natural gas (LNG) are becoming increasingly important.

Manufacturing and Logistics
Many industrial production and transport processes would be inconceivable without explosion protection. We provide safety wherever combustible gases, vapors, mists, or dusts are used.

Hydrogen
Hydrogen can be harnessed efficiently and responsibly, thanks to our advanced explosion protection solutions.

Food and Beverages
Where potential sources of explosion such as dust or gases prevail, BARTEC provides customer-specific solutions in explosion-protected working environments.
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  Information regarding our e-waste recycling policy for India.
Service and Support
Consulting
Our experts provide comprehensive advice on our wide range of products and custom-tailored solutions.

Engineering
We are a one-stop shop for the implementation of large-scale solutions custom-tailored to specific requirements.

After Sales
Our global partner network means that our experts are always where you need us.

Returns and Repair
Service is a top priority at BARTEC. Our group of companies provides the support capabilities of a global world market leader.

The Enterprise Mobility Support Portal
Useful resources for the Enterprise Mobility portfolio or create a new support ticket.

E-Waste Management (BARTEC India)
Information regarding our e-waste recycling policy for India.
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- About BARTEC
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- Magazine
  Read exciting blog articles and interesting case studies on the subject of explosion protection.
- Events
  View our current worldwide trade fair dates.
Company
About BARTEC
BARTEC as a unique provider in the field of explosion protection – with more than 45 years of experience.

News and Media
Our media portal archives all our press releases and company announcements for quick access.

Compliance
Our work is firmly anchored in our corporate compliance rules and our Code of Conduct.

Quality Management
We are proud of the quality of our products and offerings – which we monitor through our quality management processes.

Social Responsibility
We live responsibility – and we like to take on volunteer projects that benefit our communities.

BARTEC Partner Program
Our unique partner network is the backbone of our capabilities. Benefit from the opportunities offered by a win-win partnership.

Suppliers
Our supplier portal provides you with important information, such as our general terms and conditions of business and conditions of purchase.

Magazine
Read exciting blog articles and interesting case studies on the subject of explosion protection.

Events
View our current worldwide trade fair dates.
Careers
- Working at BARTEC
  Get to know the BARTEC culture and values and enjoy an open, international working environment with exciting tasks and a clear purpose.
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- Internship
  Discover interesting tasks in highly exciting work areas such as explosion protection.
Careers
Working at BARTEC
Get to know the BARTEC culture and values and enjoy an open, international working environment with exciting tasks and a clear purpose.

Vacancies
See all job postings from our recruiters.

Training & Study program
As a training organization we offer safe, well-founded, and sought-after training courses and several combined work/study programs.

Internship
Discover interesting tasks in highly exciting work areas such as explosion protection.
Contact
- General Contact
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Contact
General Contact
Quickly find the right support contact.

Product ETH9 - EFST acoustic Signaller

ETH9 - EFST acoustic Signaller

Ex d IIC signaling equipment for zone 1/2 - 21/22

ETH9.. EFST..

Benefits

IP 66
Aluminium
indoor application or with low background noise
for alarm signalling

Get a Quote

Marking

ATEX:
(Ex II 2 G) Ex d IIC T6 Gb
(Ex II 2 D) Ex tb IIIC T85 °C Db IP66

IECEx:
Ex db IIC T6 Gb
Ex tb IIIC T85°C Db IP66

Ambient Temperature

-60 °C to +60 °C (standard)

Certification

ATEX (ETH9)
- EN
ATEX (EFST)
- EN
IECEx (ETH9)
- EN
IECEx (EFST)
- EN
RMRS
- RU

Description

Flameproof acoustic signallers BARTEC ETH9.. / EFST.. series are designed to be installed in industrial plants, where potential hazardous atmos-pheres occur.
These areas are either classified as zone 1 and 2 or as zone 21 and 22.
Used for alarm signaling indoor or with low background noise.

Protection class	IP 66 (IEC/EN 60529)
Material	Enclosure material:Copper free aluminium alloy ( 0.1% copper)
Weight	see data sheet
Dimensions	see data sheet

ATEX - Instruction for use - ETH9
- EN
- IT
ATEX - Instruction for use - EFST
- EN
- IT
IECEx - Instruction for use - ETH9
- EN
- IT
IECEx - Instruction for use - EFST
- EN
- IT

ATEX - Declaration of conformity - ETH9
- EN
- IT
ATEX - Declaration of conformity - EFST
- EN
- IT
IECEx - Declaration of conformity - ETH9
- EN
- IT
IECEx - Declaration of conformity - EFST
- EN
- IT

Data sheet - Acoustic signalers
- EN