Marechal Decontactors | Hazardous Area & EHSR Compliance Markings
Published 17 Feb 2021
Hazardous Area & EHSR Compliance Markings
Marechal Decontactors
Marechal Ex products including their range of plugs & sockets are marked in accordance with the 2014/34/EU directive and in compliance with EHSR (Essential Health and Safety Requirements).
The safety of an installation in a hazardous area is the result of a co-operation of the equipment manufacturer, the installer and the end user. This directive is concentrating on the duties of the end user.
- Workers should be trained on hazardous area issues by the employer
- Authorization should be delivered to each employee who is working in hazardous areas
- Explosion protection measures should be taken and an explosion protection document (EPD) has to be established
- Employer should endure co-ordination procedure in case of maintenance in hazardous areas from different ‘origin’. When an equipment has to be
- repaired the end user has the responsibility to select an appropriate repair shop.
- Zone 0 or zone 20 requires Category 1 equipment
- Zone 1 or zone 21 or zone 22 with conductive dust requires Category 1 or Category 2 equipment
- Zone 2 or zone 22 requires Category 1 or Category 2 or Category 3 equipment
Here is the marking explanation:
- Manufacturer identification:
– Name and/or trademark
– Address - Conformity to all relevant European directives and/or North American standards
- Product type
- Temperature class
- The certificate number endings:
– none: OK to use without specific recommendations
– X: equipment with special condition(s) for safe use
– U: component (complementary certification needed for use) - Mark for product in the scope of directive 2014/34/EU and in compliance with ERSH Directive 2014/34/EU marking:
II: Equipment group = surface industry
2: Equipment category
G D: Gas or Dust atmosphere

Out With The Old, In With The New. Contact T&D to arrange a UK site demonstration or survey of your power distribution requirement. No obligation. No cost.
Marechal plugs and sockets (decontactors) provide low voltage power supply for high current, high temperature and hazardous area (Zone 1 & Zone 2) ATEX power distribution applications – this includes power plugs for electric generator sets, motors, machines, distribution boxes, pumps and electric cabinets.
Thorne & Derrick, Experts in Equipment for Explosive Atmospheres, are Specialist Distributors of Marechal plugs and sockets in the UK including ATEX and IECEx certified decontactors for LV electrical power distribution.
EXPERTS IN EQUIPMENT FOR EXPLOSIVE ATMOSPHERES
Thorne & Derrick are leaders in the development and distribution of Product Innovations that deliver significant improvements to clients plant, people and operational safety in the explosive atmosphere industries.
Your proactive problem solvers experienced in succession planning for the replacement of obsolete, non-conformant and legacy equipment in hazardous areas.
Your first-choice provider of innovative and competitive solutions to ensure ATEX & IECEx Compliance for Hazardous Area Electrical, HVAC & Process Instrumentation Equipment to UK and international projects.
Control Panels | Plugs | Isolators | Enclosures & Junction Boxes | Lighting | Control Stations | Motor Starters | Heat Trace | Gas Detection | Flame Detection | Process Instrumentation | Process Heating | Ventilation Fans | Security Access ControlÂ
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