GT-300 copper connecting tube

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GT-300 copper connecting tube

GT-300 copper connecting tube

(1 đánh giá)

Đầu nối ống đồng GT-300

The GT-300 copper connecting tube is a passing-through sleeve designed for inline cable jointing by compression. Its open tubular structure allows conductors to be inserted from opposite ends before the connection is compressed with a compatible tool and die. The model is identified by its catalogue dimensions, which should be checked against the actual conductor and the selected installation equipment.

Specification Value
Catalogue number GT-300
Product type Copper connecting tube, passing-through type
Outer diameter D 30 mm
Inner diameter d 24 mm
Overall length L 120 mm

Before ordering, compare the tube dimensions with the conductor, compression die and crimping tool used on site. Send Trường Phát the model, required quantity and cable details for product selection support and a quotation.

When two cable sections need to be joined in a straight line, the connector must match both the conductor and the compression equipment used for installation. The GT-300 copper connecting tube is a passing-through tubular connector intended for this type of inline joint. According to the supplied catalogue, GT-300 has an outer diameter of 30 mm, an inner diameter of 24 mm and an overall length of 120 mm.

The product should not be confused with a bolted cable lug. A bolted lug normally terminates a conductor at a busbar, terminal or equipment connection point, whereas this GT tube receives cable ends from opposite sides to form an inline connection. Correct results depend on selecting a suitable connector, conductor, compression die and tool, followed by installation under an approved working procedure.

What is a GT-300 copper connecting tube used for?

GT-300 is used where two compatible conductor ends must be joined along the same cable route. Its passing-through construction provides access from both ends of the sleeve, allowing the prepared conductors to be inserted into the tube before compression.

The tube itself does not determine whether a finished joint is suitable for a particular electrical system. Compatibility must be established from the cable construction, conductor material, actual conductor dimensions, tooling and project requirements. The catalogue model should therefore be treated as a selection reference rather than the only installation criterion.

Typical selection situations include cable installation, cable route modification, replacement of a damaged cable section and extension work where an inline compressed connection is specified. The exact application must follow the cable manufacturer’s instructions and the installation procedure used for the project.

GT-300 dimensional data

Item Catalogue value
Catalogue number GT-300
Connector description GT Copper Connecting Tube
Construction type Passing-through type
Outer diameter D 30 mm
Inner diameter d 24 mm
Overall length L 120 mm

In the catalogue drawing, D represents the tube’s outside diameter, d represents its inside diameter and L represents its total length. These values are physical connector dimensions. The nominal model number must not be treated as the measured conductor diameter.

Construction and practical characteristics

  • Straight tubular form: the connector is designed to receive conductor ends from two opposite directions.
  • Passing-through configuration: there is no terminal palm, bolt hole or equipment mounting section.
  • Defined catalogue dimensions: the GT-300 row specifies D 30 mm, d 24 mm and L 120 mm.
  • Compression installation: the completed connection depends on the correct crimping tool, die and installation method.
  • Model-specific sizing: other GT models have different diameter and length values and should not be substituted without checking compatibility.

The GT-300 copper connecting tube is useful when installers need a clearly identified inline sleeve with dimensions that can be compared against the conductor and available tooling. Its simple form also makes it visually distinct from cable lugs used for bolted terminations.

How to select the correct connecting tube

Selection should begin with the cable rather than the connector model alone. Before placing an order, record the conductor material, specified cross-sectional area, cable construction and actual prepared conductor dimensions. These details help determine whether the inside diameter and compression range are appropriate.

  1. Confirm that the required component is an inline connecting tube rather than a terminal lug.
  2. Identify the conductor material on both cable ends.
  3. Check the cable specification and conductor cross-sectional area.
  4. Compare the prepared conductor with the connector’s 24 mm inside diameter.
  5. Check whether the 120 mm tube length is suitable for the planned joint area.
  6. Verify that a compatible compression die and crimping tool are available.
  7. Review the project procedure before approving the connector for installation.

Do not select the product solely because the catalogue number appears similar to a cable size. Nominal cross-sectional area and actual conductor diameter are different measurements. Conductor construction and strand arrangement can affect the physical fit inside a connecting tube.

Preparation, compression and electrical safety

Installation must be completed by qualified personnel using the procedure specified for the cable system and compression equipment. The following sequence is a general preparation framework and does not replace the project’s approved work instructions.

  1. Isolate the electrical circuit and verify that it is de-energised before work begins.
  2. Confirm the GT-300 model and inspect the tube for visible deformation or contamination.
  3. Prepare the conductor ends in accordance with the cable and tooling instructions.
  4. Clean the conductor contact surfaces using the approved method.
  5. Insert each conductor from the correct end and verify its intended position inside the tube.
  6. Fit the specified compression die to the compatible tool.
  7. Carry out compression according to the tool, die and project procedure.
  8. Inspect the completed connection before insulation or subsequent cable-jointing work.

No compression force, number of compression points or conductor stripping length should be assumed from the connector dimensions. These installation values must come from the approved tooling instructions, connector documentation or project procedure.

The supplied description identifies the product as a copper connecting tube. Direct use with an aluminium conductor should not be assumed. Conductor material compatibility and any required transition connector must be confirmed before installation.

Questions about the GT-300 model

Is GT-300 a cable lug?

No. It is shown as a passing-through connecting tube. It has a straight tubular body for inline jointing and does not have a terminal palm or bolt hole.

What are the dimensions of GT-300?

The supplied catalogue lists an outer diameter D of 30 mm, an inner diameter d of 24 mm and an overall length L of 120 mm.

Does the model number confirm the exact cable fit?

No. Cable compatibility should be checked using the conductor specification, material, construction, actual dimensions and the applicable compression system.

Can GT-300 be replaced with another GT model?

A different model should not be substituted without dimensional and installation checks. The catalogue shows that GT models have different outer diameters, inner diameters and lengths.

How many compression points are required?

The supplied catalogue does not state the number of compression points. Follow the instructions for the approved connector, die and crimping tool instead of selecting a quantity based only on tube length.

What information should be provided when requesting a quotation?

Provide the GT-300 model, required quantity, conductor material, cable specification, relevant conductor size and the crimping tool or die currently available. Delivery location and documentation requirements may also be included in the enquiry.

Request a quotation for the GT-300 copper connecting tube

For a quotation, send Trường Phát the required quantity together with the cable and tooling information available for the project. These details help the sales team check the requested model and reduce the risk of ordering a connecting tube that does not match the actual installation conditions.

Contact Trường Phát for pricing and selection support for the GT-300 copper connecting tube. Final compatibility should be confirmed before compression work begins.


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📍 Số 47, Liền kề 26, KĐT Văn Phú, P. Phú La, Hà Đông, Hà Nội

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🌐 phukientudien.com.vn | codientruongphat.com — 📧 kinhdoanh3@truongphatme.com

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