ATEX / IECEx Rated Line Bushing
Line bushings are commonly used to seal an electrical junction in hazardous locations transmitting power or signal. The line bushing protects against the penetration of hazardous liquids and gases within the explosive or hazardous environment. Douglas Electrical Components manufactures our 57754 series sealed line bushings certified for ATEX and IECEx ratings for flameproof enclosure “d” ratings.
Customers can combine a variety of mechanical and electrical interfaces within the 57754 assembly to create a sealed, rated line bushing. Various standard thread combinations on either side of the line bushing feedthrough simplify installation. The threads are available in a variety of materials, depending on the cost and environment of the application.
Electrically, various wire sizes and types can be combined to create a high-density line bushing. Available with up to 107 conductors in a single line bushing, Douglas seals each conductor individually to ensure a hermetic rating. The conductors are all electrically tested at our factory to ensure operation. Additionally, all assemblies are 100% pressure tested to ensure a seal, minimizing your factory or field testing. Incorporate any cable or wire type that meets the IEC 60079 standards to match existing components or increase your design flexibility on new designs.
STANDARDS: The equipment and any acceptable variations to it specified in the schedule of this certificate and the identified documents, was found to comply with the following standards
IEC 60079-0:2017 Edition: 7.0 – Explosive atmospheres – Part 0: Equipment – General requirements
IEC 60079-1:2014 Edition: 7.0 – Explosive atmospheres – Part 1: Equipment protection by flameproof enclosures “d”
ATEX Flameproof Rated to: II 2 G Ex db IIC Gb
IECEx Rated to: Ex db IIC Gb
Specifications
Housing material | Brass, Stainless Steel, or Aluminum |
Sealing Insulation material | Epoxy |
Wire Insulation | Any cable types complying with IEC 60079-14 |
Wire Gauge | 26 AWG to 2 AWG (0.14 mm2 to 35 mm2) |
Wire Conductor Count | 0 to 107 |
NPT Thread Sizes | 1/2″ | 3/4″ | 1″| 1.25″ |
Metric Thread Sizes | M20 | M24 | M33 | M42 |
Leak check testing | < 1×10-8 scc/s, minimum. Contact factory for more options. |
Service Temperature Range | -40°C to +110°C |
Documents
Datasheet
ATEX Product Certification
IECEx Product Certification
ATEX / IECEX Quality Assessment Report (QAR)
ATEX / IECEX QAN
Oil & Gas Feedthrough Capabilities Brochure
Epoxy Line Bushings vs. Cement
Wire Bushings for Hazardous Locations