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Overview
- Designed for hazardous locations in petrochemical, oil & gas industries.
- Steel jacketed cable fitting for secure connections.
- Integral sealing chamber for simplified sealing.
- Disconnectable design requires minimal cable preparation.
- Accommodates cable jacket diameters from 0.525 to 0.650 inches with a 1/2 inch hub.
Specifications
Application | For Hazardous Locations |
Color | Red;Silver |
Material | Steel |
Size | 1/2 Inch |
Standard | CSA 23086 |
Type | Teck Cable Fittings |
Package Dimensions (L x W x H) | 0.01 IN x 0.01 IN x 0.01 IN |
Package Dimensions (L x W x H) | 0.0254 cm x 0.0254 cm x 0.0254 cm |
Package Weight (Imperial) | 0.7000 L |
Package Weight (Metric) | 0.3180 kg |
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PVC Coated Insulated Hub Connector, Hub Size 1/2 Inch, Maximum Wall Thickness 5/16 Inch, Steel, BlueFrequently Asked Questions
What is the NPT thread size for STX250-475?
The STX250-475 has an NPT thread size of 2-1/2 inches.
What is the maximum sealing compound volume for STX250-475?
The maximum volume of sealing compound required for the STX250-475 is 147 cc.
What is the cable jacket diameter range for STX250-475?
The STX250-475 accommodates a cable jacket diameter range of 58.42 mm (2.300 in) minimum to 65.15 mm (2.565 in) maximum.
What is the cable armor diameter range for STX250-475?
The STX250-475 accommodates a cable armor diameter range of 55.63 mm (2.190 in) minimum to 63.12 mm (2.485 in) maximum.
Are there specific installation code requirements?
Yes, the product must be installed in accordance with all applicable national and local electrical codes.
What sealing compounds are required for installation?
The STX250-475PVC must be installed with either SC4-KIT-1 liquid compound or SC65 putty sealing compound, which are sold separately.
What cable types are compatible with this fitting?
This fitting is suitable for jacketed Teck and ACWU, armored control and instrument (ACIC Div2 locations), and Type MC jacketed corrugated metal clad cables (aluminum and steel).
What materials is the STX250-475PVC made from?
The fitting is made from copper-free aluminum, with a zinc-plated steel option also available. Both material options can have a PVC coating.
When should I use SC4-KIT-1 vs. SC65 sealing compound?
Use SC4-KIT-1 for shielded cables or cables with 5+ conductors. SC65 is for cables with a maximum of 4 conductors and is not recommended for shielded cables.
What is the operating temperature range?
The normal operating temperature range for the product is -40 to +90°C (-40 to +194°F).
How to Install STX Series Star Teck Cable Fittings
This guide provides comprehensive instructions for preparing cables and installing STX Series Star Teck fittings, including detailed procedures for both liquid (SC4-KIT-1) and putty (SC65) sealing compounds.
Estimated time: 2h
Tools needed:
Hacksaw, Screwdriver, Wire strippers, Wooden dowel
Supplies needed:
STX Series Cable Fitting, SC4-KIT-1 LIQUID SEALANT or SC65 PUTTY SEALANT, Fiber damming material (for liquid sealant), Gloves (for putty sealant), Damp cloth
- Verify Circuits are De-energized
WARNING: Risk of electrical shock. Before installing or performing maintenance, verify that all circuits are de-energized. Ensure power is completely off to prevent injury.
- Determine Working Length and Cut Armor
Determine the required length of conductors inside the enclosure. Remove a portion of the outer jacket to expose the cable armor. Carefully cut the armor using a hacksaw. CAUTION: Do not nick or cut the conductor insulation during this process.
- Trim Outer Jacket to Specification
Trim the outer jacket to adjust the exposed armor strip length as indicated in the product table for your specific STX fitting (e.g., 0.405 inches for STX050-462). This ensures proper sealing and fit.
- Feed Cable and Secure Gland Nut
Feed the prepared cable through the gland nut opening and push until the cable armor hits the internal end stop. Tighten the gland nut until an appropriate seal is obtained or to the maximum torque specified in the product table (e.g., 300 in-lbs for STX050-462). Ensure the cable remains centered for an optimal seal.
- Disassemble Fitting Components
Disassemble the hub from the body sub-assembly by loosening the union. Unscrew the sealing chamber from the body sub-assembly. These parts will be reassembled after compound application.
- Prepare Inner Cable Conductors
Trim the inner jacket to a length of 1/8 to 3/8 inches to expose the conductor bundle. If installing shielded data cables, additionally remove the outer (overall) shield carefully to avoid damaging inner shields, and remove any filler materials.
- Prepare for Sealing Compound Application
Choose your sealing compound: SC4-KIT-1 LIQUID SEALANT (for all power/shielded data cables) or SC65 PUTTY SEALANT (NOT for shielded cables or 5+ conductors). If using liquid, pack fiber damming material tightly into voids between conductors and body, spreading grounding conductor strands. If using putty, slightly spread insulated conductors and grounding conductor strands.
- Mix and Apply Sealing Compound
For Liquid (SC4-KIT-1): Screw the sealing chamber onto the body. Position vertically. Mix compound per package instructions and dispense into the chamber. Fill to the top (or half, wait 2 hrs, then fill rest for larger fittings). For Putty (SC65): Thoroughly mix putty until uniform blue. WARNING: Wear gloves. Apply putty around conductors, forming a plug. Slide chamber onto cable/compound, screw to body. Fill throat area, packing tightly with a wooden dowel.
- Clean Excess Compound and Allow to Set
CAUTION: Remove all excess compound material from outside the sealing chamber with a damp cloth. Do not use abrasive cleaners. Allow the compound to solidify/set for approximately 1 hour (or 2 hours for the second fill stage of large liquid fittings) before proceeding or disturbing conductors.
- Mount Hub and Final Assembly
Mount the hub in the desired location. Once the sealing compound is set, place the encapsulated assembly into the hub. Secure it in position by tightening the union until it bottoms (metal to metal contact). If using putty, repack compound tightly around conductors if needed.
Frequently Asked Questions about ABB - Installation Products
How are Thomas and Betts products typically installed?
Thomas and Betts products are installed using a variety of methods tailored to specific applications, including the use of flexible cords and cable fittings, non-metallic cable glands, and armored cable fittings. Proper selection of fittings is crucial to match the cable type and installation environment, ensuring durability and preventing physical damage. Tools such as the Blackburn® Comfort Crimp® and HEX-FLEX® systems enhance installation efficiency and reliability, reducing labor time and ensuring secure connections.
What accessories are available for Thomas and Betts products?
Thomas and Betts offers a comprehensive range of accessories for their products, including various cord and cable fittings, non-metallic cable glands, service entrance cable fittings, and armored cable fittings. Their accessories are designed to enhance installation efficiency and ensure compatibility with different cable types and environmental conditions, providing reliable connections for a wide array of applications.
What environmental ratings do Thomas and Betts products have?
Thomas and Betts products feature robust environmental ratings, including NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications, as well as IEC 60529 IP66 protection. These ratings ensure that their products are designed to withstand harsh industrial environments, with capabilities to resist dust, water, and corrosion, and operate effectively in a wide temperature range.
What communication protocols do Thomas and Betts products support?
Thomas and Betts products support a wide range of industrial communication protocols, including Ethernet, DeviceNet, PROFIBUS, Modbus, CANopen, and others. This extensive compatibility ensures seamless integration and reliable communication across various industrial automation systems, catering to diverse application needs.
What are the key features of Thomas and Betts products?
Thomas and Betts products are known for their innovative designs, high performance, and compliance with industry standards such as the National Electrical Code and Underwriters' Laboratories. They offer a comprehensive range of rugged and reliable electrical fittings, including liquidtight and dust-tight connections, which enhance installation efficiency and reduce overall project costs. Their products are engineered for durability in harsh environments, ensuring long-term reliability and lower installed costs.
What are the main product lines offered by Thomas and Betts?
Thomas and Betts offers a comprehensive range of product lines including electrical connectors, cable management systems, grounding and bonding solutions, and industrial automation components. Their products are designed for durability and reliability in demanding industrial environments, ensuring optimal performance and safety across various applications.
What technical support does Thomas and Betts offer?
Thomas and Betts offers comprehensive technical support, including access to field application engineers for onsite training and installation assistance. Their technical support staff is available to address inquiries related to product specifications and installation practices, ensuring optimal performance and safety of electrical systems. Additionally, they provide a variety of training programs to enhance the knowledge and skills of users in the field.
What industries and applications are Thomas and Betts products used for?
Thomas and Betts products are utilized across various industries including electrical construction, industrial automation, telecommunications, and utilities. Their extensive range of cord and cable fittings, electrical boxes, and metal framing systems are designed for applications that require durability and reliability in harsh environments, ensuring optimal performance in both permanent and temporary installations.
What certifications and standards do Thomas and Betts products comply with?
Thomas and Betts products comply with critical international certifications including UL (Underwriters Laboratories), CSA (Canadian Standards Association), and CE (European Community). Our products are designed to meet rigorous industrial standards such as NEMA enclosure ratings and IEC 60529 IP ratings, ensuring safety and reliability across various industrial applications.
What are the main product lines offered by Ocal?
Ocal offers a comprehensive range of corrosion-resistant conduit systems, including PVC-coated conduit and fittings, conduit bodies, hazardous location fittings, and strut accessories. Their products are designed to provide superior corrosion protection, featuring a hot-dipped galvanizing process and UL listed Type 4X PVC-coated conduit bodies, ensuring durability in the most demanding environments.