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Understanding Distribution Transformers
Distribution transformers play a crucial role in the electrical infrastructure, serving to reduce voltage levels for safe and efficient power delivery. These transformers are essential for distributing electricity from high-voltage transmission lines to lower-voltage networks that can be utilized by homes and businesses. The design and efficiency of distribution transformers directly impact energy losses and operational costs, making them vital components in modern electrical systems.
| Type | Rated capacity (KVA) | Voltage combination(KV) | No-load losses(W) | Load losses(W) | No-load current (%) | Short-circuit impedance (%) |
| SC12-30 | 30 | 6,6.3,6.6,10,11/0.4 | 150 | 710 | 2.0 | 4.0 |
| SC12-50 | 50 | 6,6.3,6.6,10,11/0.4 | 215 | 1000 | 2.0 | 4.0 |
| SC12-80 | 80 | 6,6.3,6.6,10,11/0.4 | 295 | 1380 | 1.5 | 4.0 |
| SC12-100 | 100 | 6,6.3,6.6,10,11/0.4 | 320 | 1570 | 1.5 | 4.0 |
| SC12-125 | 125 | 6,6.3,6.6,10,11/0.4 | 375 | 1850 | 1.3 | 4.0 |
| SCB12-160 | 160 | 6,6.3,6.6,10,11/0.4 | 430 | 2130 | 1.3 | 4.0 |
| SCB12-200 | 200 | 6,6.3,6.6,10,11/0.4 | 495 | 2530 | 1.1 | 4.0 |
| SCB12-250 | 250 | 6,6.3,6.6,10,11/0.4 | 575 | 2760 | 1.1 | 4.0 |
| SCB12-315 | 315 | 6,6.3,6.6,10,11/0.4 | 705 | 3470 | 1.0 | 4.0 |
| SCB12-400 | 400 | 6,6.3,6.6,10,11/0.4 | 785 | 3990 | 1.0 | 4.0 |
| SCB12-500 | 500 | 6,6.3,6.6,10,11/0.4 | 930 | 4880 | 1.0 | 4.0 |
| SCB12-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1070 | 5880 | 0.85 | 4.0 |
| SCB12-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1040 | 5960 | 0.85 | 6.0 |
| SCB12-800 | 800 | 6,6.3,6.6,10,11/0.4 | 1210 | 6960 | 0.85 | 6.0 |
| SCB12-1000 | 1000 | 6,6.3,6.6,10,11/0.4 | 1410 | 8130 | 0.85 | 6.0 |
| SCB12-1250 | 1250 | 6,6.3,6.6,10,11/0.4 | 1670 | 9690 | 0.85 | 6.0 |
| SCB12-1600 | 1600 | 6,6.3,6.6,10,11/0.4 | 1960 | 11700 | 0.85 | 6.0 |
| SCB12-2000 | 2000 | 6,6.3,6.6,10,11/0.4 | 2440 | 14400 | 0.7 | 6.0 |
| SCB12-2500 | 2500 | 6,6.3,6.6,10,11/0.4 | 2880 | 17100 | 0.7 | 6.0 |
In China, many enterprises focus on manufacturing distribution transformers, catering to both domestic and international markets. The emphasis is on producing high-quality units that meet stringent safety and performance standards. With advancements in technology, these transformers have become more efficient, reducing energy wastage and improving overall grid reliability. The integration of smart features into distribution transformers is also gaining traction, enabling better monitoring and management of power flows.
The Significance of 400 kVA Transformers

Among the various categories of distribution transformers, the 400 kVA transformer is particularly significant in industrial applications. This capacity is ideal for medium-sized enterprises that require reliable power for their operations. These transformers are designed to handle substantial loads, ensuring that manufacturing processes run smoothly without interruptions due to power failures.
The robustness of 400 kVA transformers makes them suitable for a variety of environments, including factories, commercial buildings, and large residential complexes. They are engineered to withstand harsh conditions while maintaining high efficiency levels. In addition to energy savings, investing in high-quality 400 kVA transformers can lead to longer equipment lifespans and reduced maintenance costs, which is crucial for businesses aiming to optimize their operational expenditures.
Warranty Periods and Their Importance
A long warranty period is often a key consideration for enterprises looking to purchase distribution transformers. Manufacturers in China are increasingly offering extended warranties that can last up to several years, reflecting their confidence in the durability and performance of their products. This assurance not only protects the buyer’s investment but also fosters trust in the manufacturer’s reputation.
Extended warranties are particularly beneficial for businesses that rely heavily on electrical infrastructure. In the event of a malfunction or failure, having a long warranty means that repair or replacement costs may be covered, minimizing downtime and financial impact. Moreover, companies are encouraged to choose transformers from reputable manufacturers that provide comprehensive customer support and services throughout the warranty period, ensuring any issues are promptly addressed.

