Reliable Supplier Copper Wire Manufacturers - DTL High quality DTL series electric fitting bimetallic cable lug – Yuxing

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Reliable Supplier Copper Wire Manufacturers - DTL High quality DTL series electric fitting bimetallic cable lug – Yuxing Detail:



Product Dimension

Model φ W S d D L L1
DTL-10 8.5 16 2.5 5.2 10 64 30
DTL-16 8.5 16 3.0 6.2 11 70 33
DTL-25 8.5 18 3.2 7.2 12 75 36
DTL-35 10.5 20 3.5 8.5 14 85 42
DTL-50 10.5 23 4.0 9.5 16 90 43
DTL-70 12.5 26 4.5 11.5 18 102 50
DTL-95 12.5 28 5.0 13.5 21 112 53
DTL-120 14.5 30 5.2 15.1 23 120 55
DTL-150 14.5 34 5.8 16.5 25 126 57
DTL-185 17 37 6.5 18.5 27 133 60
DTL-240 17 40 7.0 20.7 30 140 62
DTL-300 21 46 8.5 23.5 34 160 66
DTL-400 21 50 8.7 26.2 38 168 67

Advantages of thread nose
1. The wiring is convenient. There is no wire nose. Only solder wiring is available. It is troublesome and not too firm
2. It’s safe. The thread ends are pressed together without burrs,
3. The design of the wire nose ensures sufficient contact area and will not lead electricity to flow through and cause accidents due to large heating

The connection of various cables and terminals shall follow the principle of connecting with the same material. For example, aluminum cables are connected with aluminum terminals, copper cables are connected with copper terminals, and copper electrical terminals must be connected with copper terminals. This is because long-term contact between copper and aluminum will produce oxidation and poor contact, resulting in sparks, fire and damage to power facilities.

When stripping the insulation layer of conductor (cable), the wire core shall not be damaged and the metal of wire core shall be exposed. The stripped length of the insulating layer shall meet the requirements. When the cage terminal is used, the stripped length of the insulating layer shall meet the requirements specified in Table 1; When the stripping length of non front wiring and other cage spring wiring is unknown, first insert the special screwdriver into the process square hole of the cold pressing terminal to open the spring hole of the cold pressing terminal, insert the wire into the deepest part of the round hole of the cold pressing terminal (until resistance is encountered), take out the special screwdriver, insert the special screwdriver and take out the wire, At this time, the length of the wire indentation from the wire end is the wire length of the cold pressed terminal end.

In terminal blocks, contact force is one of the basic elements. If there is not enough contact pressure, it is useless to use the best conductive material. Because if the contact force is too low, there will be displacement between the conductor and the conductive sheet, resulting in oxidation pollution, increasing the contact resistance and causing overheating.

Surface treatment: there are two commonly used,
1. Pickling: the color of pickled copper is basically the same as that of red copper, which can play a beautiful role in oxidation resistance and is more conducive to conductivity.
2. Tin plating. The surface of the copper nose after tin plating is silver white, which can better prevent oxidation and conductivity, and prevent the diffusion of harmful gases generated by copper in the process of conductivity.

Compared with DT series, this type of copper terminal is only one more hole, so it is very suitable for users who need to connect two wires at one terminal. This type of terminal is suitable for users with a cross-sectional area of wires between 10 and 630mm2

When the tubular insulated terminal is closely adjacent to the wire connection position, it can improve the insulation safety and prevent the wire from bifurcation;Tubular insulated terminal can make it easier for the conductor to insert into the end;

Purpose: connection of wires, power cables and electrical equipment in power distribution equipment, for circuit breaker air switch.

This series of terminals can be said to be an extended type of copper terminals. This type of terminal is made of high-quality copper at the wiring place, and the subsequent section is made of aluminum. Friends who need this type of terminal can choose from twelve body types from dtl-10 to dtl-300.

Copper nose, also known as copper ear, copper terminal. Its function is to connect wires and cables to electrical equipment. Copper wire lug is that the copper wire is bent into a circle and fixed with screws; Copper lugs are generally used in thinner wires and fixed with screws. As a high-quality terminal with purple copper appearance, DT series copper terminal is deeply loved by users (used more). At present, DT series copper terminal has 15 specific models (dt-10 to dt-630), among which dt-630 and DT-800 are square head flat plate type copper terminals.

Marine series copper terminals (JG Series), as the name suggests, marine series copper terminals are mainly used on various types of ships. It can support 6 to 300 mm2 wires for connection.

Peephole SC series copper terminal blocks are popular products. They are made of high-quality copper and have high conductivity. You can choose specific models according to the cross-sectional area of connectable wires. Wires and areas ranging from 1.5 mm2 to 50 M2 can be connected with this terminal block.

What is the function of thread nose?
1. Increase strength;
2. It is convenient to fix;
3. Increase the contact surface;
4. It is to prevent wire ends from flying and prevent electrical accidents.
What is a string nose?
Wire nose is a popular name, which is called wiring terminal in electricity. It is used to make joints for wires or cables to connect two or more wires or cables. Generally, thicker wires or cables will be used.
Why use a wire nose when wiring?
1. The wiring is convenient. There is no wire nose. Only solder wiring is available. It is troublesome and not too firm
2. It’s safe. The thread ends are pressed together without burrs
3. The design of the wire nose ensures sufficient contact area and will not lead electricity to flow through and cause accidents due to large heating

1. When cleaning the cold pressed wiring terminal, use silk cloth dipped in absolute ethanol and use it after drying. Acetone and other chemical solvents that may have harmful effects on the connector are not allowed.
2. The cold pressed terminal shall not be energized until it is properly connected or fully locked.
3. In the fixing of cold pressed terminal, clamping of harness and other occasions, there shall be anti loose devices (anti loose screws, anti loose rings, fuses, etc.) when using threaded connection.

The acceptance and inspection of cold pressed terminals shall be carried out according to the requirements of relevant product standards and operation instructions. The acceptance and inspection of used electrical connectors shall be carried out on the basis of relevant product standards and operation instructions, and the cold pressed terminals of tooling used shall be intact and qualified; The probe shall meet the standard requirements, otherwise it is easy to cause Jack damage.

Crimping inspection
1. Use appropriate cold pressed terminals according to the conductor section, and the corresponding specifications are required to be identical.
2. The length of stripped wire insulation layer shall meet the requirements and the length shall be correct.
3. All metal wires of the conductor shall be completely wrapped in the cold pressed terminal without scattered copper wires.
4. The crimping part shall meet the requirements and the crimping part shall be correct.
5. For the strength inspection after crimping, use the calibrated spring tension and compression tester to verify the crimping quality.
6. Inspection of crimping tools. The crimping tools must meet the requirements of fixing strength and be verified every three months. The tools that meet the requirements shall have labels indicating their validity period.
7. Wiring binding: at least once every 400 ~ 500mm during wiring binding.

Wire nose (DT) is often used for cable end connection and continuation, which can make the connection between cable and electrical appliance more firm and safer. It is a common material for construction, power equipment, electrical connection and so on. When the general conductor is connected with the wiring terminal, the corresponding wiring connection terminal shall be used for the cable end connection according to the requirements of the national wiring code. And if it’s 4mm ² The above multi strand copper wires need to be equipped with a wiring nose and then connected with the wiring terminal. The product has good appearance specification, good conductivity and safety

The rated current carrying capacity of 4m2 copper wire is clearly specified in the national standard GB / t4706.1-2005, which is 25 ~ 32A – allowable error in the national standard, so this specified value is an interval. Therefore, as long as it is a qualified 4 square wire, its rated ampacity will not be less than 25A.
in practical application, due to the adverse factors such as poor ventilation, poor heat dissipation, high humidity and high temperature, the actual current carrying capacity of concealed wires usually needs a 85% discount on the basis of rated current carrying capacity. Therefore, the actual current carrying capacity of 4 square wires will not be less than 21a.

The copper pipe nose is generally made of T2 red copper and brass. The appearance of the product is a round head of a pot shovel. The top side is a fixed screw edge and the end is a stripped copper core of wires and cables. The varieties are divided into oil blocking type and pipe pressure type. The oil blocking type is better. In order to resist air oxidation, there is tin plating, that is, a layer of tin is plated on the surface of the copper ear to prevent oxidation and blackening, The copper wire lug shall be used only for wires larger than 10 square meters, and the cold pressed wire nose shall be used instead of the copper wire lug for wires smaller than 10 square meters. Copper wire lug can be divided into surface tinned and non tinned tube pressure type and oil plugging type. DT copper tinned terminal is to coat a layer of “tin” on the surface layer on the basis of the original DT copper terminal to enhance the conductivity of DT copper terminal.

Main application scope of copper tube nose: it is widely used in machine tools, textile machinery, motors, railways, ships, electronic control, household appliances, electrical industry, mechanical equipment factory, shipyard, power distribution cabinet, power distribution instrument, computer and household appliances.
The product has good appearance specification, good conductivity and safety
Application: it is applicable to the connection between copper conductor of electrical cable wire with nominal section of 10-800 square meters and electrical equipment
Product features: long term working temperature – 55 ℃ – 150 ℃, surface tin plating.

1. When the cold pressed terminals are in the separated state, protective caps shall be installed or other dust-proof measures shall be taken; If the cold pressed terminal does not separate for a long time after connection, a fuse can be placed between the plug and socket.
2. When connecting or separating the cold pressed terminal, try to make the axis lines of the plug and socket coincide, and straighten the cable to prevent the plug from being affected by tangential force and prevent the connector from being damaged due to cable sagging.
Installation precautions:
1. The screws must be tightened,
2. The cable and copper nose must be inserted in place and compressed with pliers.

Circular pre insulated terminal, cold pressing terminal, power fittings, fork pre insulated terminal, needle pre insulated terminal, sheet pre insulated terminal, bullet fully insulated terminal, long intermediate joint, short intermediate joint, circular bare end, fork bare end, male and female pre insulated end, tubular pre insulated terminal, tubular bare end, needle bare end, peephole series SC DTG copper terminal, C45 special terminal.

Although the copper nose is made of the same material, we know that copper can be divided into brass and red copper. There are differences in the price of raw materials. In this regard, customers also need to make it clear that red copper is industrial pure copper with a melting point of 1083 ℃, while brass is an alloy composed of copper and zinc, which has strong wear resistance and is often used in the manufacture of valves, water pipes There are differences in appearance, copper content, density, strength, conductivity and so on.

Copper nose is a series of products often used in the power industry. It is commonly used for the connection of cable ends. This operation will make the cable ends electrically connected. High security and firmer. Of course, in addition to being used in the cable industry, these products are deeply loved, including construction, power equipment, household appliances, distribution cabinets and other industries.

Due to the use of metal materials, its performance will be quite good. Copper metal has good insulation, which makes it safer in the process of use and can resist the surrounding air. Therefore, it is very suitable for the connection on the terminal, Moreover, copper products will not change easily and are relatively stable in structure. If they are used in the outside world, even if the temperature fluctuates greatly, they can be used well and will not be affected and cannot be used effectively, When we use the products, we can effectively use them according to the characteristics and factors of these different products, and copper itself is widely used. Compared with steel in humid environment, it can also be used effectively without failure. Copper metal is a very good product for the manufacturing material of terminals.


Product detail pictures:

Reliable Supplier Copper Wire Manufacturers - DTL High quality DTL series electric fitting bimetallic cable lug – Yuxing detail pictures

Reliable Supplier Copper Wire Manufacturers - DTL High quality DTL series electric fitting bimetallic cable lug – Yuxing detail pictures

Reliable Supplier Copper Wire Manufacturers - DTL High quality DTL series electric fitting bimetallic cable lug – Yuxing detail pictures

Reliable Supplier Copper Wire Manufacturers - DTL High quality DTL series electric fitting bimetallic cable lug – Yuxing detail pictures

Reliable Supplier Copper Wire Manufacturers - DTL High quality DTL series electric fitting bimetallic cable lug – Yuxing detail pictures

Reliable Supplier Copper Wire Manufacturers - DTL High quality DTL series electric fitting bimetallic cable lug – Yuxing detail pictures


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  • Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
    5 Stars By Victor Yanushkevich from Zimbabwe - 2017.06.29 18:55
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