GT-500 copper connecting tube

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GT-500 copper connecting tube

GT-500 copper connecting tube

(1 đánh giá)

Đầu nối ống đồng GT-500

GT-500 copper connecting tube is a passing-through connector designed for joining two conductor ends in a straight-line connection using a suitable crimping method. The product has a copper tubular body with an outside diameter D of 38 mm, an inside diameter d of 30 mm and an overall length L of 150 mm.

Specification Value
Model GT-500
Connector type Passing-through straight tube
Material Copper
Outside diameter D 38 mm
Inside diameter d 30 mm
Overall length L 150 mm

Before ordering, check the actual conductor dimensions, conductor material, crimping tool and die set. Do not select the connector by model name alone. Send Trường Phát the required model, quantity and delivery information for specification checking and a quotation.

Where two conductor ends must be joined along the same axis, the GT-500 copper connecting tube provides a straight tubular connection point for a suitable crimping process. According to the supplied catalog, the GT-500 has a 38 mm outside diameter, a 30 mm inside diameter and a total length of 150 mm. These dimensions must be checked against the actual conductor, crimping die and installation requirements before the product is used.

What is the GT-500 copper connecting tube used for?

The GT-500 belongs to the group of passing-through copper jointing tubes. Unlike a bolted cable lug, which has a palm and bolt hole for connection to a busbar or equipment terminal, this product has a straight tubular construction. It is intended for joining two conductor ends in line rather than terminating a cable onto a bolt.

During installation, one conductor end is inserted from each side of the tube. The connection is then formed with a compatible crimping tool and die according to the approved installation procedure. The completed connection depends not only on the tube itself but also on correct product selection, conductor preparation, die compatibility and proper workmanship.

The catalog identifies the product by model and dimensions D, d and L. The GT-500 model designation should not be treated as the actual core diameter. A conductor's nominal cross-sectional area and its measured core diameter are different parameters and must be checked separately.

GT-500 dimensions and construction data

Item Symbol Specification
Catalog number Cat.No. GT-500
Connector construction - Passing-through straight copper tube
Outside diameter D 38 mm
Inside diameter d 30 mm
Overall length L 150 mm
Tube material - Copper

In the catalog drawing, D indicates the outside diameter of the tube, d indicates the internal bore diameter and L indicates the full product length. These three values are useful when checking installation space, conductor insertion and compatibility with the selected crimping system.

Construction features and suitable applications

The GT-500 has a straight cylindrical body without a bolt palm or terminal hole. The supplied drawing also shows an open passing-through construction rather than a bolted termination design. This allows conductors to be inserted from opposite ends when preparing an in-line cable joint.

  • Designed for straight-line joining rather than bolted cable termination.
  • The 150 mm body length provides space for conductor insertion and the crimping area.
  • The 38 mm outside diameter must be considered when choosing a die and arranging the final insulation layer.
  • The 30 mm inside diameter must be compared with the measured size of the prepared conductor bundle.
  • The copper tube must not be used to connect an aluminium conductor directly unless a suitable transition connector is specified.

The GT-500 copper jointing tube may be considered for new cable installation, cable extension or repair of an in-line connection point. Its suitability for a particular project must still be determined from the conductor material, actual dimensions, engineering documents and approved installation method.

Checks to complete before selecting GT-500

Verify the model and all three catalog dimensions

The GT-500 catalog row specifies D 38 mm, d 30 mm and L 150 mm. When receiving the product, check both the catalog number and the dimensions. This helps prevent confusion with GT-400, which is smaller, or GT-630, which has larger listed dimensions.

Confirm the conductor material

The product is described as a copper connecting tube. The conductor material must therefore be identified before installation. A copper tube should not be used for a direct copper-to-aluminium connection without a suitable transition solution. Where different conductor materials are involved, use the connector type specified by the electrical design.

Measure the actual conductor instead of relying only on nominal area

Nominal cross-sectional area does not represent the actual diameter of the conductor core. The measured diameter can vary with conductor construction and strand arrangement. Before ordering a large quantity, compare the cable technical data or physical conductor measurements with the GT-500 internal diameter of 30 mm.

Check the crimping tool and die set

The crimping die must be compatible with both the connector and the tool system. Do not select a die only from the outside diameter. Crimping force, die code, number of compression points and compression sequence must not be assumed when the relevant technical instructions are unavailable.

When requesting a quotation, provide the tool model and die identification where possible. This information supports a more accurate compatibility check before the connectors are supplied for installation.

Preparation, crimping and electrical safety

  1. Disconnect and isolate the electrical supply before beginning work.
  2. Confirm that the circuit is de-energised using the approved safety procedure.
  3. Check the GT-500 model, tube condition and listed dimensions.
  4. Confirm that both conductor ends have suitable materials, construction and dimensions.
  5. Prepare each conductor end according to the approved project procedure without damaging or cutting conductor strands.
  6. Insert the conductors from opposite ends to the positions specified in the installation method.
  7. Use a compatible crimping tool and die set.
  8. Apply the crimping sequence specified by the tool supplier, engineering design or approved work instruction.
  9. Inspect the compressed areas and verify the mechanical stability of the connection.
  10. Apply the required insulation and external protection before the circuit is energised.

The supplied catalog does not state the insulation stripping length, crimping force, die number or required number of compression points for the GT-500. These installation values should not be estimated from the 150 mm tube length. The installer must refer to the approved engineering procedure and the technical instructions for the crimping system.

Frequently asked questions about GT-500

What is the inside diameter of the GT-500?

The catalog specifies an inside diameter d of 30 mm. This is the bore diameter of the connector tube, not the nominal conductor diameter.

What is the total length of the connector?

The listed overall length L is 150 mm. The installation layout should also allow enough working space for the die and the final insulation system.

Can GT-500 be replaced with GT-400 or GT-630?

The models should not be substituted only because they belong to the same product range. Each model has different outside diameter, inside diameter and length values. Any replacement must be checked against the conductor, die system and electrical design.

Is the GT-500 a bolted cable lug?

No. The catalog shows the GT-500 as a passing-through straight connecting tube. It does not have a palm or bolt hole for connection to a busbar or equipment terminal.

Can the GT-500 be used directly with aluminium conductors?

A copper tube should not be used for direct connection to aluminium conductors unless an approved transition solution is provided. The conductor material and connector type must be checked before installation.

How many crimping points are required?

The supplied catalog does not specify the number of compression points. The quantity, position and sequence of crimps must follow the approved die, tool or installation instructions.

Request a quotation for the GT-500 copper connecting tube

To request pricing for the GT-500 copper connecting tube, provide the required model, quantity and conductor information. Trường Phát can check the catalog dimensions of D 38 mm, d 30 mm and L 150 mm before responding with supply information.

Where a specific hydraulic crimping tool or die set is already being used on site, include its model number or identification image with the enquiry. Providing the conductor material, actual dimensions and delivery location also helps reduce the risk of selecting an unsuitable connector.


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