Why Choose the nVent HOFFMAN EXEBDM20SS6 Ex e M20 Breather Drain?
The nVent HOFFMAN EXEBDM20SS6 is a hazardous location Ex e M20 breather drain designed to prevent condensation and moisture build-up inside approved electrical enclosures while maintaining enclosure protection ratings. As part of the nVent HOFFMAN EXEBD hazardous location breather drain range, it provides reliable ventilation and drainage for enclosures installed in potentially explosive atmospheres.
Manufactured from 316 stainless steel with a brushed finish, this breather drain provides excellent durability and corrosion resistance for demanding industrial environments. The device allows air exchange between the enclosure interior and surrounding atmosphere while helping remove accumulated moisture that could damage electrical components.
Featuring an M20 thread connection and compact dimensions of 40 mm × 40 mm × 25 mm, the EXEBDM20SS6 is designed for installation at the lowest point of hazardous area enclosures to optimise drainage performance. It is certified for Ex e increased safety applications in Zone 1 and Zone 2 areas.
Key Advantages
Designed for Ex e increased safety hazardous area enclosures.
Prevents condensation and moisture accumulation inside electrical enclosures.
Manufactured from durable 316 stainless steel for industrial environments.
IP66 protection capability when correctly installed.
Maintains enclosure protection ratings while allowing pressure equalisation.
Suitable for Zone 1 and Zone 2 hazardous location applications.
Ex e IIC Gb and Ex tb IIIC Db certified protection.
ATEX and IECEx approved for hazardous area installations.
Includes castellated nut and nitrile O-ring.
10 mm thread length for Ex e installation.
Designed for installation in a clearance hole or threaded hole.
Reliable Moisture Management for Hazardous Area Enclosures
Breather drains are essential accessories for hazardous area enclosures exposed to temperature fluctuations, where condensation can form and create risks for sensitive electrical equipment. The EXEBDM20SS6 helps balance internal and external air pressure while allowing moisture to drain away from the enclosure.
The nVent HOFFMAN EXEBDM20SS6 combines certified hazardous location protection with robust stainless steel construction, making it suitable for industrial applications where enclosure reliability and component protection are critical.
Typical Applications
Hazardous area electrical enclosures.
Terminal and junction boxes.
Oil and gas processing facilities.
Chemical and pharmaceutical installations.
Industrial automation systems in explosive atmospheres.
Outdoor electrical equipment enclosures exposed to temperature changes.
Technical Specifications
Country of Manufacture
United Kingdom (includes NI)
Manufacturer
nVent HOFFMAN
Series
EXEBD Hazardous Location Breather Drains
Model
EXEBDM20SS6
Product type
Ex e M20 breather drain
Protection type
Increased Safety Ex e
Material
Stainless Steel 316
Finish
Brushed
Thread size
M20
Height
40 mm
Width
40 mm
Depth
25 mm
Thread length
10 mm
Protection rating
IP66
Operating temperature
-50 °C to 85 °C
Certification
ATEX and IECEx
Hazardous area protection
Ex e IIC Gb; Ex tb IIIC Db
Frequently Asked Questions
What is the nVent HOFFMAN EXEBDM20SS6 used for?
The EXEBDM20SS6 is used to provide ventilation and drainage for Ex e hazardous area enclosures while reducing condensation and moisture build-up.
What thread size does this breather drain use?
The EXEBDM20SS6 uses an M20 threaded connection for installation on compatible enclosures.
What material is the EXEBDM20SS6 manufactured from?
The breather drain is manufactured from 316 stainless steel with a brushed finish for durability and corrosion resistance.
Is the EXEBDM20SS6 suitable for hazardous areas?
Yes, it is certified for hazardous locations with Ex e IIC Gb and Ex tb IIIC Db protection for Zone 1 and Zone 2 applications.
What are the dimensions of this breather drain?
The EXEBDM20SS6 measures 40 mm high, 40 mm wide and 25 mm deep.
Trusted by Industrial Engineers Worldwide
nVent HOFFMAN hazardous location accessories are trusted by engineers to improve enclosure reliability, prevent moisture-related failures and maintain safe operation in demanding industrial environments.
Country of Manufacture
United Kingdom (includes NI)
Manufacturer
nVent HOFFMAN
Series
EXEBD Hazardous Location Breather Drains
Model
EXEBDM20SS6
Product type
Ex e M20 breather drain
Protection type
Increased Safety Ex e
Material
Stainless Steel 316
Finish
Brushed
Thread size
M20
Height
40 mm
Width
40 mm
Depth
25 mm
Thread length
10 mm
Protection rating
IP66
Operating temperature
-50 °C to 85 °C
Certification
ATEX and IECEx
Hazardous area protection
Ex e IIC Gb; Ex tb IIIC Db
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...