25 kva 3 phase oil transformer

11/33KV 25 kva Oil immersed transformer

Product overview

With over 10 years of hands-on experience in electrical equipment manufacturing, QIALLAI’ve focused on crafting high-quality 11/33KV 25 kva three phase oil immersed transformers for global markets.

25KVA oil-immersed transformer (referred to as “25KVA oil transformer”) is a core equipment for small and medium-capacity power distribution. It has core advantages such as a sturdy structure, strong weather resistance, and moderate cost. It is suitable for scenarios with “dispersed loads, outdoor installation, and limited budget”, and is especially suitable for low-voltage power distribution needs in rural areas, small industrial and commercial sectors, and infrastructure.

Main technical Parameter

Why Purchase 25 KVA Transformer in Yueqing, China? — An Analysis of Triple Advantages: Industry, Products, and Cost

Yueqing City, China (especially Liushi Town), known as the “Capital of Electrical Appliances in China,” is a core hub of China’s power equipment industrial cluster. When purchasing 25KVA transformer, it offers significant advantages in four key dimensions: industrial supporting capabilities, product adaptability, cost control, and service responsiveness. The specific reasons are as follows:

1. Industrial Cluster Advantage: Comprehensive Industry Chain Support of the “Capital of Electrical Appliances”

With decades of history in power equipment manufacturing, Yueqing City (centered on Liushi Town) has formed a complete industrial chain covering “raw material supply → core component production → finished product assembly → inspection and certification → logistics and after-sales service.” This provides a “high-efficiency, stable, and low-cost” industrial foundation for 25KVA transformer procurement:

Highly Concentrated Supply Chain for Efficient Procurement

Thousands of electrical supporting enterprises are gathered in the region. From core transformer components such as cold-rolled silicon steel sheets, copper wire winding, and insulating materials to auxiliary parts like casings, terminal blocks, and protection devices, all can be “purchased locally and deployed on the same day.” For example, enterprises such as wenzhou qianlai electric , relying on the local supply chain, can shorten the production cycle of 25KVA transformers to 7-15 days (far less than the 20-30 days in non-industrial areas), making them particularly suitable for procurement needs with tight project schedules.

Unified Technical Standards and Guaranteed Quality Control

Enterprises in the region generally follow national GB 1094 series standards and international IEC standards, and share third-party testing resources (such as national-level electrical testing centers). Key indicators of 25KVA transformer, such as no-load loss, insulation performance, and temperature rise, can be quickly verified, avoiding the purchase of “non-standard and low-quality products.” For instance, the 25KVA oil-immersed/dry-type transformer from wenzhou qianlai electric have passed CQC certification and mining safety mark certification, meeting the requirements of industrial, civil, and other scenarios.

Rich Industrial Experience and Strong Customization Capabilities.Yueqing enterprises have long served domestic and foreign demand for 25KVA transformers (e.g., rural power distribution, small-scale industry and commerce, outdoor scenarios) and accumulated extensive customization experience. Whether it is “single-phase/three-phase,” “oil-immersed/dry-type,” “ordinary/anti-corrosion type” (such as customized models for coastal high-salt-fog environments), or special voltage levels (e.g., 10KV/0.4KV, 13.8KV/0.23KV), they can respond quickly without relying on external technical support.

1. Product Adaptability Advantage: Precisely Matching Diverse Needs of 25KVA Transformer

As a mainstream medium and small-capacity model, 25KVA transformer are mainly used in scenarios such as rural power distribution, small-scale commerce, and outdoor lighting. The product design of Yueqing enterprises perfectly meets the “performance, installation, and environmental” requirements of these scenarios:

Full Coverage of Product Types and Strong Scene Adaptability.Yueqing enterprises can provide a full range of 25KVA transformer options to perfectly match different procurement scenarios:

Outdoor Scenarios: 25KVA oil-immersed transformers from wenzhou qianlai electric (ONAN cooling, IP54 protection) are resistant to rain, high and low temperatures (-40℃ to +55℃), suitable for pole-mounted installation in rural areas and temporary construction power supply;

Indoor Scenarios: 25KVA dry-type transformers from wenzhou qianlai electric (Class F insulation, IP23 protection) are compact in size and free of oil pollution, suitable for power distribution in small shops and office buildings;

Sensitive Equipment Scenarios: Single-phase/three-phase isolated 25KVA transformers can block power grid harmonics, protect medical equipment and precision instruments, and are suitable for laboratories and small factories.

Dual Compliance with Energy Efficiency and Safety Standards, Low Long-Term Operating Costs Most 25KVA transformer from Yueqing enterprises meet national Level 1-2 energy efficiency standards. For example, the 25KVA dry-type transformers from wenzhou qianlai electric have a no-load loss of only 0.3-0.5kW, saving about 500-800 yuan in electricity bills per year compared to Level 3 energy efficiency products (calculated based on 8,000 hours of annual operation); at the same time, the products are equipped with overload protection and short-circuit protection (such as gas relays for oil-immersed types), reducing later maintenance costs due to failures.

III. Cost Control Advantage: Direct Factory Prices and Significant Cost-Effectiveness

The industrial scale effect and supply chain advantages of Yueqing City are directly converted into the “procurement cost advantage” of 25KVA transformer, making them particularly suitable for bulk purchases or long-term cooperation:

No Intermediary Markup, More Favorable Procurement Prices.Yueqing is home to a large number of “production-oriented enterprises” (rather than trading companies), such as wenzhou qianlai electric and wenzhou qianlai electric, which can supply 25KVA transformers directly at “factory prices,” avoiding price markups from intermediate links. Taking 25KVA dry-type transformers as an example, the factory price in Yueqing is about 3,000-5,000 yuan per unit, which is 15%-30% lower than that in non-industrial areas; bulk purchases (≥10 units) can also enjoy a 5%-10% discount, further reducing costs.

Low Logistics and After-Sales Costs Located in the Yangtze River Delta, Yueqing City is adjacent to the G15 Shenhai Expressway and Wenzhou Port. 25KVA transformer can be quickly shipped nationwide by road (domestic transportation cost is about 50-150 yuan per unit) or exported (e.g., to Southeast Asia and African markets) by sea; at the same time, local enterprises generally provide “24-hour response + on-site installation guidance,” and after-sales maintenance costs are 20%-40% lower than those of foreign brands (e.g., local enterprises such as Jinan XD Special Transformer have a fault response time of ≤48 hours).

Policy Dividends for Additional Cost ReductionYueqing City and Wenzhou City have special support policies for the electrical industry. Some energy-saving 25KVA transformers (such as SCB14 series dry-type transformers) can enjoy local subsidies or tax incentives. Enterprises can superimpose policy dividends when purchasing, further reducing actual costs (referring to the subsidy logic for energy-saving transformers in Jinan and other places, similar policies in Yueqing can reduce procurement costs by 3%-5%).

1. Service Responsiveness Advantage: Meeting Needs with Flexible Adjustments

Procurement of 25KVA transformers often involves needs such as “parameter confirmation, installation adaptation, and later maintenance.” The localized service capabilities of Yueqing enterprises can significantly improve the procurement experience:

Efficient Technical Communication Enterprises can directly communicate with engineers to quickly confirm the core parameters of 25KVA transformers (such as phase number, voltage level, cooling method), avoiding “parameter mismatches.” For example, for rural outdoor scenarios, on-site communication can be conducted on “pole-mounted installation dimensions” and “anti-corrosion requirements”; for small factories, assistance can be provided in calculating “load matching degree” to ensure that the transformer capacity is neither wasted nor overloaded.

Flexible Customization and After-Sales Service.If parameters need to be adjusted after purchase (such as adding temperature control modules or replacing protective casings), Yueqing enterprises can rework quickly (cycle ≤3 days); in terms of after-sales service, local enterprises can provide value-added services such as “regular inspections” and “insulating oil testing” (for oil-immersed types), extending the service life of 25KVA transformers (usually 15-20 years, 5-8 years longer than non-professional maintenance).