Exploring R. STAHL TRANBERG’s Range of Junction Boxes & Enclosures: Robust, Certified, and Customizable AISI316L

In industries where safety and reliability are paramount, R. STAHL TRANBERG’s range of junction boxes stands out for its quality and adaptability. Designed to withstand challenging conditions, these junction boxes offer a variety of sizes and specifications tailored to meet the stringent demands of sectors like energy, maritime, and industrial automation. With certifications like ATEX and IECEx, R. STAHL TRANBERG junction boxes ensure compliance and safety, even in hazardous environments.

Our enclosures cater to versatile installation needs, from scalable sizes to specialized gland plates and MCT frames, making them a reliable choice for diverse applications. Each box/enclosure boasts IP66/67-rated protection, AISI316L stainless steel construction, and options for mounting on floors or walls, depending on your installation needs. Below, we delve into the unique features of each model.


TEF 1058: Exe-Certified for High-Protection Applications

The TEF 1058 model offers robust, certified solutions for installations in hazardous zones 1 and 2 and safe areas. Developed with R. STAHL TRANBERG’s extensive experience in hazardous area solutions, this model is tailored to meet high safety and durability standards in environments like electro, instrument, and telecom installations.

  • Material & Protection: This model is constructed from AISI316L stainless steel and has an IP66/67 rating. It withstands harsh environments. The housing is available in two finishes: electropolished or bright, chemically dipped, which provides added corrosion resistance and aesthetic appeal.
  • Safety Certifications: Fully ATEX and IECEx certified, with certificate numbers IECEx Pre 14.0001 and Presafe 14 ATEX 4124, it complies with Directive 2014/34/EU, ensuring safety for use in potentially explosive atmospheres.
  • Temperature & Gaskets: The TEF 1058 model operates reliably in a wide temperature range. When fitted with an EPDM gasket, it is suitable for temperatures from -40°C to +40°C.
  • Earthing Options: Equipped with internal earthing on a busbar or terminals and an external earth bolt on the mid-right side for secure grounding.
  • Flexible Cable Entries: Designed to accommodate cable glands and adaptors certified for hazardous areas, with multiple threaded entry points on all sides.

This versatile, certified model meets the rigorous demands of hazardous applications. It offers flexibility in cable entry configurations and robust environmental protection, ideal for industries requiring dependable junction boxes.


Model 8150 / 1061 / 1060 Series: Versatility and Scalability

This series exemplifies flexibility with scalable sizes that can be configured according to certification requirements. The 8150, 1061, and 1060 models include various options to match installation needs:

  • Construction & Protection: Built with high-grade AISI316L stainless steel, these boxes ensure long-lasting durability and corrosion resistance, making them suitable for harsh environments.
  • Configurable Features: Available with gland plates, MCT frames (either welded or bolted), and inspection windows. Depending on installation requirements, users can opt for single or double doors, with options for Cam locks or screws.
  • Practical Design: The models can be installed on the floor with a base unit or mounted on walls using brackets. Doors come with optional hinges, stoppers, and lifting devices, enhancing ease of use and accessibility during maintenance.
  • Fiber Splicing Options: For optical fibre splicing, choose from 12FO, 24FO, 48FO, or 96FO configurations, ensuring flexible connectivity for complex installations.


Model 8150: Highly Customizable and Certified for Extreme Environments

The 8150 series junction boxes are designed for applications requiring exceptional durability and flexibility in hazardous and non-hazardous areas. Certified under ATEX and IECEx for use in potentially explosive areas, this series is ideal for demanding industries such as energy, oil and gas sectors, where robust protection and configuration options are essential.

  • Material and Finish: The enclosure is constructed from stainless steel 1.4404 (AISI 316L), with a brush-finished surface that ensures resilience against environmental exposure. A protective channel prevents water ingress, supporting reliable IP66-rated sealing.
  • Hinge and Locking Options: The box is available with or without hinges and features a screw-on cover or cam lock. For hinged versions, an opening angle of up to 130° provides excellent accessibility for maintenance and operation.
  • Protection and Certification: With Ex db eb [ia Ga] ib mb op pr IIC certification, the 8150 series can operate within wide temperature ranges. It is rated for T6 temperatures (up to 40°C) and T4 (up to 70°C) in hazardous zones, meeting strict safety standards based on your configuration.
  • External Features: Each box includes a robust M8 external earth connection. An optional flange plate, which can be tightened from the outside, simplifies installation by offering easier access for wiring, even with pre-installed cables.
  • Versatile Cable Entry: The box supports multiple cable entries on each side (A/B/C/D), with options ranging from M16 to M130 gland sizes. This ensures compatibility with various connection types and facilitates scalable installations.
  • Customizable Internal Mounting: Internally, the box can be fitted with Z rails or stainless-steel mounting rails, providing flexible mounting options for terminal blocks or other components. Terminals can accommodate cross-sections up to 300 mm², with configurations available for even larger requirements on request.

The 8150 series, with its extensive customization options and robust build, is a highly reliable choice for complex installations, especially where safety and accessibility are paramount.


Model TEF 1061: High Voltage and Robust Protection for Critical Installations

The TEF 1061 series from R. STAHL TRANBERG is engineered explicitly for high-voltage applications, offering flexible solutions for Zone 1, Zone 2, and safe area environments. This model integrates advanced copper bus-bar technology with Ex-certified isolators, providing a reliable solution for high-power needs across various voltage requirements, from 230V up to 11kV.

  • Material and Finish: Constructed from stainless steel AISI 316L with a bright chemical dip finish, the TEF 1061 can withstand extreme environments while providing high corrosion resistance.
  • High Voltage Capabilities: The TEF 1061 series accommodates up to 11kV and includes options tailored for 3.5kV, 6.9kV, and 11kV applications. Each is designed to handle specific phase configurations and high current loads.
  • Bus-Bar Options:
    • Type R uses rectangular copper bus bars designed for configurations with one cable per phase, making it a cost-effective and streamlined solution.
    • Type H: This type features H-profile copper bus bars designed for setups requiring multiple cable connections per phase and handling up to 900A.
    • Type G: Incorporates a compact G-profile bus bar, capable of supporting up to four cables per phase and designed to withstand short circuits up to 50kA.
  • Protection and Certification: Certified under ATEX and IECEx, the TEF 1061 series is rated as Ex eb IIC T4, T5, and T6, providing trusted safety and compatibility for high-risk environments.
  • Cable Entry and Earthing: Standardized for bottom-side cable entries with Tranberg Ex cable glands, it includes copper earthing bars mounted on spacers for secure grounding. Appropriate ATEX/IECEx-certified glands, blanks, and adaptors are used to maintain safe connections.
  • Customization Options: Optional features include MCT-G frames for additional cable management, enclosure heaters, and various lid configurations, such as hinged lids with either cam locks or screws, supporting tailored setups for unique operational requirements.

With its high voltage handling, customizable configurations, and certification for hazardous environments, the TEF 1061 series provides a robust and adaptable solution for critical installations, ensuring safety and reliability in challenging conditions.


Model TEF 1060: Scalable Stainless Steel Enclosures for Hazardous and Industrial Applications

The TEF 1060 enclosure series by R. STAHL TRANBERG provides an adaptable solution for applications in hazardous and challenging environments. This series is designed with acid-resistant AISI 316L stainless steel, suitable for the offshore sector, industrial sites, maritime environments, and food processing facilities where resilience to harsh conditions is essential.

  • Material and Construction: Built from AISI 316L stainless steel with a bright chemical dip finish, the TEF 1060 series ensures long-lasting durability and resistance against corrosive substances. This makes it ideal for high humidity, salt exposure, or chemical contact environments.
  • Flexible Sizing Options: The enclosure dimensions range from a compact 200 x 200 x 100 mm, scaling up in 25 mm increments to a maximum certified size of 1800 x 2200 x 800 mm. This flexibility allows the TEF 1060 series to meet diverse spatial and operational requirements.
  • Certification and Protection: The TEF 1060 series is certified under ATEX and IECEx (IECEx PRE 14.0001 and Presafe 14ATEX4124) and suitable for Zone 1, Zone 2, and safe area applications. The enclosures feature IP66 protection.
  • Temperature and Seal Options: The TEF 1060 features EPDM and silicone gasket options. It operates effectively across ambient temperatures, from -20°C to +40°C with EPDM gaskets.
  • Lid Configurations: Available with various lid options to suit different security needs, including:
    • Screw and hinge options
    • Quick-turn locks with hinges
    • Screws-only closure for simplified setups
  • Cable Entry and Mounting: The enclosures can be fitted with optional gland plates and support certified cable glands, blanks, and adaptors to maintain compliance with ATEX/IECEx standards. An internal mounting plate and M8 threaded mounting points enhance installation versatility.

The TEF 1060 series is an exceptionally scalable, high-durability solution, ideal for applications requiring certified protection, customizable sizing, and secure construction across diverse industrial and hazardous settings.


Conclusion

R. STAHL TRANBERG’s junction boxes offer robust, certified solutions tailored for flexibility, durability, and ease of installation. Whether for hazardous environments or standard industrial applications, each model is designed to provide safety, reliability, and adaptability. With various customization options, our junction boxes ensure that clients receive precisely the enclosure solution they need, enhancing operational efficiency and safety.

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