Control & Automation

MARECHAL Decontactors™ add enhanced electrical safety features to NESL’s ATEX non-entry cleaning systems and pumps

Listen to this article

MARECHAL DECONTACTOR™ plugs and sockets are now fitted as standard to enhance the electrical safety of ATEX-compliant pumps and cleaning systems manufactured by Non-Entry Systems Limited (NESL).

Key Facts:

•           Enhances electrical safety of NESL’s non-entry cleaning systems and pumps
•           Eliminates the risk of sparking, even when disconnected under load
•           Compliant with ATEX 94/9/CE Directive Zones 1 and 2 (gas) and zones 21 and 22 (dust)        
•           Water- and dust-tight sealing up to IP66/67 when connected and disconnected
•           Combines power up to 200A and 750 V.a.c. with up to 37 control pins
•           Faster connection & disconnection, with no need for a qualified electrician, reduces maintenance down-time and increases productivity

Grahame Thomas, Electrical Manager at NESL, explains; “As an OEM, the ability to eliminate the risk of sparking, whether from impacts between different pieces of equipment, or from the electrical supply, is a crucial part of our designs for ATEX-compliant products. MARECHAL Decontactors not only allow us to introduce additional features which enhance the electrical safety of our end-products, but also allow our customers to improve productivity and reduce maintenance downtime compared to other plug-based or hard-wired connections.”

The MARECHAL Decontactors feature a unique design, which combines a quick-release button and integral isolation switch, allowing the electrical supply to be disconnected under load and re-connected in seconds, in complete safety, and without the need for a qualified electrician. The isolation switch eliminates the risk of sparks, whilst the quick-release button supports fast connection and disconnection which reduces downtime and maintenance costs and also increases productivity. The Decontactors are automatically sealed to IP65 (DX range) or IP66/67 (DXN range) as soon as the plug is inserted into the socket, as well as when disconnected (lid closed), to provide a water-tight and dust-tight connection.

NESL fit 20A polyamide-cased DXN1, and 150A metal-cased DX9 Decontactors, as the standard connectors on their pumps and non-entry cleaning systems. Both versions of the Decontactors are rated for voltages up to 750 V.a.c. and offer “de“ level protection, compliant with the ATEX 94/9/CE Directive for zones 1 and 2 (gas) and zones 21 and 22 (dust). MARECHAL’s complete range of ATEX-rated Decontactors covers power and control connectors with power ratings of 5A to 200A and up to 37 control pins, as well as single-pole versions up to 680A.

With silver-nickel butt contacts and shock-ratings up to IK10, the Decontactors are resistant to corrosion and contamination from oil, chemicals, or harsh operating environments, to achieve high reliability over a long operational lifetime, regardless of the number of times that they are connected and disconnected.

About MARECHAL Electric:
MARECHAL Electric pioneered the use of high performance, silver-nickel butt contacts in electrical socket systems, which are now available for applications from simple compact multipin to heavy duty 600A connections. This technology is used across a range of demanding environments such as the food and drink, nuclear power, heavy industry, infrastructure and ATEX sectors.  An effective alternative to both hard-wired equipment and pin/sleeve type contacts, the decontactor is a highly flexible method of connecting and disconnecting electrical equipment at the press of a latch – safely.  MARECHAL brought the decontactor, the high performance industrial connector with integral AC21 switch, to the electrical market.  www.marechal-electric.com

For further information, please contact:

Laure de Piante
MARECHAL Electric
Tel: + 33 1 45 11 60 56
Email: l.depiante@marechal.com

Show More

    Would you like further information about this article?

    Add your details below and we'll be in touch ASAP!


    Input this code: captcha

    Leave a Reply

    Your email address will not be published. Required fields are marked *

    Back to top button

    Join 25,000 process industry specialists and subscribe to:

    PII has a global network of suppliers ready to help...