Ex Connectors
Connectors designed for safe use in explosive and hazardous environments
Page last modified
August 27 2025
Ex Connectors are specialized electrical connectors designed for use in explosive atmospheres or hazardous areas. Rota Ltd offers several ranges of Ex Connectors certified for different protection types:
Ex d connectors are flameproof, designed to contain an explosion within the connector housing. Examples include the D3 and BDY [ia] series.
Ex de connectors combine flameproof and increased safety protection, such as the DR4 series which also offers USB and Bluetooth options.
Ex i connectors are intrinsically safe, limiting electrical energy to prevent ignition. Rota's BY, MY, and RY series fall into this category.
Ex n connectors are non-sparking, intended for Zone 2 locations. The BN, MN, and RN series are examples.
Many of Rota's Ex connectors feature patented quick-release designs that allow plugs and sockets to snap together without threads, even on flameproof models. This enables faster connection and disconnection in hazardous areas.
The connectors have various international certifications including ATEX, IECEx, and AEx for use in explosive atmospheres globally. Rota also offers complete cable assembly and interconnection solutions incorporating these connectors, junction boxes, and cable reels - all assessed and documented to comply with ATEX directive 2014/34/EU for equipment in potentially explosive atmospheres.
Pros & Limitations
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Quick release designs allowing plug and socket to snap together easily
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No threads to come loose or gall
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Ideal for use in Oil and Gas industry and other hazardous zones
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Allow connection and disconnection in hazardous areas
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Reduce rig up and rig down time
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Have explosive atmosphere approvals including ATEX, IECEx and AEx
Specification
| Title | Description |
|---|---|
| Theme/Discipline | Process Safety |
| Core Tech | Connectivity |
|
Types
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Ex d (Flameproof), Ex de (Flameproof, Increased Safety), Ex i (Intrinsically safe), Ex n (Non sparking), Fibre Optic
|
|
Features
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Quick release designs, Snap together connection, No threads to come loose
|
|
Certifications
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ATEX, IECEx, AEx
|
|
Applications
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Oil and Gas industry, Hazardous zones
|
|
Additional offerings
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Cable harness assemblies, Full cable systems, Junction boxes, Explosion proof enclosures
|
Exclusive content
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Rota Limited is a UK-based company specializing in the design and manufacture of position transducers, level transmitters, and Ex connectors. Located in Bury, Manchester, Rota Limited is known for its innovative and quality-driven approach. The company offers a wide range of products, including linear position transducers and various types of connectors for explosive atmospheres, such as Ex d, Ex de, Ex i, and Ex n connectors. Rota Limited also provides full interconnection solutions for hazardous areas, including cable assemblies, junction boxes, and cable reels. The company serves industries such as oil and gas, and its products are certified to meet international standards like ATEX, IECEx, and AEx. Rota Limited emphasizes innovation, as evidenced by their patented designs and focus on providing solutions for challenging environments.
Country of Headquarters
United Kingdom
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