21:4 Transformer
Original price was: ₹800.00.₹350.00Current price is: ₹350.00.
wholesale price
- Low magnetic leakage
- Low energy loss
- Small distributed capacity
- Fine-tuning inductance
- Designed for transformer applications
- Used in welding machines
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Description
21:4 Transformer
Product Overview
The 21:4 Transformer is an electrical component listed for use in welding machines. According to the available product information, it is intended to step down the input voltage to a lower output voltage suitable for welding operations. This voltage transformation supports the electrical requirements of the equipment and contributes to the operation of the welding system.
Transformers transfer electrical energy between circuits through electromagnetic induction. Their input and output characteristics depend on the winding arrangement, core design and specified operating conditions. The correct transformer must be selected according to the electrical requirements of the equipment in which it will be installed.
Main Features
The supplier lists low magnetic leakage, low loss, small distributed capacity and fine-tuning inductance as the main features of this transformer.
Low magnetic leakage refers to transformer design characteristics intended to reduce magnetic flux that does not contribute effectively to energy transfer between windings. The actual performance depends on the core construction, winding arrangement and overall design.
Low loss is an important consideration in transformer applications because electrical energy can be lost through winding resistance and magnetic effects in the core. The supplier identifies low loss as a feature, but no measured efficiency or loss values have been provided for this particular model.
Small distributed capacity is another characteristic mentioned in the supplied product information. Distributed capacitance can arise between windings and other conductive parts of a transformer. Its significance depends on the circuit and operating frequency, and no numerical capacitance value is available for this product.
Fine-tuning inductance is also listed as a feature. Inductance affects the behaviour of electrical circuits, including current flow and responses to changing electrical conditions. The exact adjustment method and inductance range for this model have not been specified.
Application in Welding Machines
Welding machines use electrical components designed to provide suitable operating conditions for their welding circuits. A transformer can help establish the required voltage relationship between the input and output sides of the electrical system.
The supplier describes the 21:4 Transformer as a component that reduces input voltage to a lower output voltage for welding operations. This function is relevant to equipment designed for metal joining, where the electrical characteristics of the welding circuit must match the machine’s design.
The precise role of this transformer within a particular welding machine depends on the machine’s circuit configuration. Buyers should consult the original equipment documentation to determine whether this model is intended for the main power circuit, an auxiliary circuit or another specific function.
Product Configuration and Compatibility
The product is identified by the model designation 21:4 Transformer. This designation can help buyers distinguish it from other transformer models when searching for a replacement component.
However, the model designation alone does not establish all electrical ratings or confirm compatibility with a particular welding machine. Before ordering, verify the rated input voltage, output voltage, current capacity, power rating, operating frequency, winding arrangement and terminal connections with the supplier.
Physical dimensions and mounting requirements should also be checked when replacing an existing transformer. A component that appears similar may have different electrical characteristics or connection arrangements.
Selecting the Correct Transformer
Correct transformer selection is important for the safe and reliable operation of electrical equipment. An incompatible transformer may not provide the required electrical output and could affect the performance of the connected circuit.
When replacing a transformer, compare the markings on the existing component with the product information. If the markings are incomplete or unclear, refer to the welding machine’s circuit diagram, service manual or manufacturer. Ask the supplier to confirm the model’s electrical specifications before installation.
Installation and electrical testing should be performed by a qualified technician, with the equipment disconnected from its power source and appropriate safety procedures followed.
Technical Information
The available product description identifies the 21:4 Transformer as suitable for welding machine applications and lists low magnetic leakage, low loss, small distributed capacity and fine-tuning inductance among its features.
Specific numerical values for input voltage, output voltage, current, power rating, efficiency, dimensions, insulation class and operating frequency have not been supplied. These values should be obtained from the manufacturer’s datasheet rather than estimated from the model name.
Conclusion
The 21:4 Transformer is listed for welding machine applications where a lower output voltage is required for the intended welding circuit. Its stated design characteristics include low magnetic leakage, low loss, small distributed capacity and fine-tuning inductance.
For replacement or new equipment use, confirm the full electrical specifications and physical compatibility before purchasing. Following the manufacturer’s documentation helps ensure that the selected transformer matches the requirements of the intended welding machine.






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