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The S11-M series 50kVA oil immersed distribution transformer is expertly designed for highly reliable three-phase 50/60Hz power distribution systems. Featuring a fully sealed (M-type) corrugated tank construction, this unit isolates the insulating oil from the ambient air. This advanced design effectively prevents moisture absorption and oxidation, which significantly extends the service life and makes the transformer completely maintenance-free. Built with a high-permeability CRGO silicon steel core and 100% copper windings, it guarantees high efficiency and low energy consumption. The unit seamlessly steps down a 10kV primary voltage to a stable 400V secondary voltage.
Manufactured to meet the most stringent international standards, including IEC 60076, GB/T 6451, and GB/T 1094, this transformer delivers stable and efficient power. It also comes with an 18-month warranty for guaranteed reliability. Below is the core datasheet for bulk procurement evaluation:
Parameter | Specification Details |
Rated Capacity | 50 kVA |
Primary / Secondary Voltage | 10 kV / 400 V |
Frequency & Phase | 50/60 Hz, 3-phase |
No-load / Load Loss | ≤ 100 W / ≤ 870 W (S11 level) |
Impedance Voltage | 4% |
No-load Current | ≤ 1.3% |
Connection Group | Dyn11 (standard) / Yyn0 (optional) |
Cooling Method | ONAN |
Tank Type | Corrugated, fully sealed |
Mounting Type | Pole-mounted (≤315kVA) or ground |
Thanks to its robust fully sealed construction and pole-mountable design, this 50kVA transformer is the ideal power distribution solution for remote and compact infrastructural setups. Key applications include:
Rural electrification projects.
Agricultural processing facilities.
Small workshops and auxiliary services.
Temporary power supply for construction sites.
As a premier China transformer manufacturer, we supply fully certified oil immersed distribution transformers to EPC contractors, electrical wholesalers, and global utility integrators. We also provide a wide range of optional accessories based on project requirements, including oil level gauges, thermometers, outdoor enclosures, casters, and porcelain or silicone bushings. Please contact our engineering team with your project specifications to receive an accurate factory quotation, minimum order quantity (MOQ) details, and comprehensive technical datasheets.
