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Industrial Commercial 25kVA Oil Immersed Transformer S11 Model
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Industrial Commercial 25kVA Oil Immersed Transformer S11 Model

    Model： S11

    The oil-immersed power transformer is a highly efficient and reliable electrical transformer that uses mineral oil for insulation and cooling, widely applied in power grids, industrial, and commercial distribution systems for stable voltage conversion and energy distribution.

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    product details

    Product description

    The oil-immersed power transformer is constructed with high-quality silicon steel and copper/aluminum windings, combined with mineral oil insulation and cooling technology, ensuring excellent electrical performance and long-term operational stability. It is suitable for substations, industrial plants, and renewable energy systems, maintaining high efficiency even in harsh environments.

    TECHNICAL PARAMETER

    Rated
    Capacity
    (KVA)

    Voltage Combination

    Vector
    Group

    No-load
    Loss(KW)

    Load
    Loss
    (KW)

    No-load
    Current
    %

    Short-circuit
    impedance

     Weight(KG)

    High Voltage
    (KA)

    High Voltage
    Tapping Range

    Low Voltage
    (KA)

    Oil Weight

    Gross Weight

    30

    20~10

    ±5×2.5%
    ±2×2.5%

    0.4

    Dyn11

    0.09

    0.66

    2.1

    5.5

    180

    420

    50

    0.13

    0.96

    2

    150

    495

    63

    0.15

    1.145

    1.9

    170

    560

    80

    0.18

    1.37

    1.8

    190

    635

    100

    0.20

    1.65

    1.6

    215

    710

    125

    0.24

    1.98

    1.5

    250

    840

    160

    0.29

    2.42

    1.4

    285

    945

    200

    0.33

    2.86

    1.3

    340

    1125

    250

    0.40

    3.35

    1.2

    390

    1295

    315

    0.48

    4.01

    1.1

    445

    1475

    400

    0.57

    4.73

    1.0

    515

    1712

    500

    0.68

    5.66

    1.0

    6.0

    460

    1995

    630

    0.81

    6.82

    0.9

    565

    2450

    800

    0.98

    8.25

    0.8

    635

    2765

    1000

    1.15

    11.33

    0.7

    840

    3650

    1250

    1.35

    13.20

    0.7

    970

    4220

    1600

    1.63

    15.95

    0.6

    1105

    4800

    2000

    1.95

    19.14

    0.6

    1205

    5240

    2500

    2.34

    22.22

    0.5

    1300

    5650 

    1749798226414

    Product features

    17497981297691749798151705

    l High Efficiency – Low-loss design compliant with energy efficiency standards 

    l Superior Cooling – Oil immersion ensures stable operation under prolonged high loads.

    l High Reliability – Sealed construction resists moisture and dust, enhancing lifespan.

    l Low Noise—Optimized magnetic circuit and damping structure reduce noise to ≤65 dB.

    l Eco-Friendly—Optional biodegradable oil (e.g., ester-based) meets environmental regulations.

    Packaging

    Normal package, Packed in Roll, Plastic film winding, Standard export carton, Or based on your demands.

    17497983091141749198444778

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