Craig & Derricott – ATEX Isolators & Control Stations (Hazardous Area Zones 1 & Zone 2)

Craig & Derricott - Isolators & Control Stations (Hazardous Area Zones 1 & Zone 2 ATEX)

Isolators & Control Stations

Craig & Derricott isolators and control stations are certified by ATEX for Zone 1 and Zone 2 hazardous areas – the range of i-switch isolators are suitable for Ex d (flameproof) and Ex e (increased safety) applications and the i-push control stations are certified for Zone 22 potentially explosive atmospheres.

Craig & Derricott has been at the cutting edge of switchgear design and manufacture for more than 70 years focussing solely on the design specifications of the installer. This led to the development of the i-switch and i-push product range offering simple installation, enhanced safety and effectiveness.

  • Ex e Hazardous Area Zone 1 & Zone 2 Flameproof Isolators ATEX Certified
  • Ex d Hazardous Area Zone 1 & Zone 2 Increased Safety Isolators ATEX Certified
  • ATEX Category 3D non-conductive dust zone 22 Control Stations
  • Bespoke Control Stations for hazardous areas

The i-switch range of isolators for safe installation protect and maintain low voltage power distribution in hazardous area locations – Ex d and Ex e protection are available with current ratings 16A-250A housed in either cast iron or cast aluminium enclosures.

Hazardous Area Isolators ATEX Zone 1 Zone 2

Hazardous Area Isolators ATEX Zone 1 Zone 2

The i-push range of hazardous area control stations are ATEX certified (Group II) for safe use in Zone 22 potentially explosive atmospheres. Control stations can incorporate single or double push buttons, emergency push button and emergency stop start options – hazardous area “stop starts” are manufactured from die-cast aluminium with emergency stop and start contacts configured to client specification.

Craig & Derricott is dedicated to a continued program of investment and growth with recent significant recruitment across the business in Engineering, Sales and Manufacturing.

Isolators – Ex d & EX E Hazardous Area Zone 1 & Zone 2 Isolators ATEX Certified

Hazardous area Ex d & Ex e isolators provide safe electrical isolation for low voltage power in Zone 1 & Zone 2 (gases) and Zone 21 & Zone 22 (dusts) environments. Craig & Derricott has been associated with the design and manufacture of Ex products for more than 30 years.

ATEX certified isolators with Ex d and Ex e protection are available with current ratings 16A-250A housed in either cast iron or cast aluminium enclosures. Flameproof Ex d isolators can be customised to accommodate specific cable entry requirements.

Hazardous Area Isolators Zone 1 Zone 2

Hazardous Area Isolators Zone 1 Zone 2

Craig & Derricott ATEX Group II (Zone 22) equipment can be used to help you comply with Health & Safety regulations and are used in applications such as:

ATEX Hazardous Area Control Stations Zone 22 – Craig & Derricott

ATEX Hazardous Area Control Stations Zone 22 – Craig & Derricott

  • Grain Mills
  • Powder Coating Plant
  • Textiles
  • Chemicals
  • Cargo Handling
  • Woodworking
  • Pharmaceuticals
  • Waste Processing

Hazardous Area Explosion Protection Zone 1 Zone 2 ATEX

T&D UK & International: Project Suppliers To The Onshore & Offshore Oil, Gas, Petrochem

About Craig & Derricott

Craig & Derricott was established in 1944 manufacturing control gear products with a reputation for engineering expertise, customer service and well proven products. Dedicated to increasing and improving product offering new additions and enhancements are introduced frequently.

Craig & Derricott has been designing and manufacturing Hazardous Area equipment for more than 20 years.

Today’s products have been designed to meet International specifications for Zones 1 & 2 and with the increase in awareness for flammable dust environments Craig & Derricott have specific designs for zone 22.


Since 1985 T&D have serviced the UK and world markets with an extensive range of Electrical, Mechanical, Process & Instrumentation Equipment – our Export Department is staffed by a team of professional sales engineers, sourcing specialists, expeditors and customer service advisors.

T&D global project experience has enabled us to build a solid reputation for the reliable supply of brand leaders – we consolidate your supply chain by providing single-source logistics to any international destination.

See how Thorne & Derrick service and support our key global markets and hazardous area industries in the following SlideShelf of Industry Infographics.

  • Measurement – Temperature, Humidity, Pressure, CO2
  • Gas Detectors (Industrial), Leak Detection (Refrigerant) & Analyzers
  • Heat Tracing Systems & Trace Heating Cables
  • Heaters – Drum, IBC, Tank, Immersion & Process
  • Valves, Gauges, Sensors & Monitors
  • Meters – Flow, Water, Gas, Heat & Energy
  • Surface Heating Elements, Mats & Pads
  • Hazardous Area Power Distribution, Lighting & Electrical Enclosures

Craig & Derricott

Integrity, Values & Trust. T&D are a world-class business committed to ensuring the correct installation and application of all products we distribute. Where applicable installer training and support services including site surveys can be made available.