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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: CHNA
  • Model Number: S9 -10~20MVA
  • Usage: Power
  • Phase: Three
  • Coil Structure: Toroidal
  • Coil Number: Three phase duplex winding
  • High Voltage: 6\6.3\6.6\10\10.5\11\15KV
  • Low Voltage:: 0.4\0.69kV
  • Standards:: GB1094 IEC60076

Packaging & Delivery

Packaging Details Wooden Case or according to Customer's demand
Delivery Time 10 days or depend on the quantity you order


1.IEC60076 power transformer distribution transformer
2 Type and voltage can be customized
3 Three years of guarantee period

We're MANUFACTURER and specialize in electrical field for several years,also export products with good quality and right price in China. If the following parameter specifications do not meet your requirements, please contact us to quote and produce according to your requirements.


Product description and technical parameters



Basic parameters

Type: S9-M

Rated capacity: 1000 KVA

Voltage combination: (H.V/L.V)

6/0.4KV 6.3/0.4KV 6.6/0.4KV 10/0.4KV 10.5/0.4KV 11/0.4KV 13/0.4KV

Tapping: ±5% OR ±2*2.5%

Connection symbol: D/Yn11 OR Yyn0

Load loss: 1.7KW

No-load loss: 10.3 KW

Non-load current: 1.0%

Short-circuit impedance: 4.5%

Oil weight: 490KG

The total weight: 2690KG

Size long: 1855 mm

Size wide: 1125 mm

Size high: 1590 mm

Installation size: 820 * 820 mm

Normal packing standard: 1PC/CTN  


The use of the environment

Device types: outdoor type

Normal environment conditions of use: the elevation not more than 1000 m

Environmental highest temperature + 40°C, minimum-25°C

The special environment conditions of use: elevation of more than 1000 m

Environmental highest temperature + 40°C, minimum-45°C. (when you order details)

Mounting ambient: no corrosive gas, no obvious dirt environment


Carries out the standard

1. IEC60076

2. GB1094.1 ~ 2-1996 power transformer

3. GB1094.3. 5-2003 power transformer

4. GB/T6451-2008 oil-immersed three-phases transformer power technical parameters and requirements


Performance characteristics

1. S9-M series power transformer core USES the high quality cold-rolled steel coil, USES the high quality anaerobic copper into and beautiful outlook, safety of operation. S9 series S7 series transformer and compared, and the annual average no-load loss is reduced by 10% and the average load loss is reduced by 20% and save energy obviously, widely used in industry and agriculture, urban and rural power grid.

2. High reliability, performance level advanced, economical index is reasonable.

3. The core of the level 3 juncture when, surface coating cured paint, in order to reduce loss and noise.

4. Winding new structure, reasonable design oil way, adopt new insulation structure, improve mechanical strength and resistance to short


Tech data of 10KV grade S9 series oil transformer



Rated CapacityVoltage Group(kV)ConnectionLoss (kW)No-load currentImpedanceWeight (kg)(L)mm(W)mm(H)mmInstallation size(mm)
(kVA)HVLV No-loadLoad%%OilGrossDimensionC1C2
20   0.10.443.057230915450975400400
50   0.170.872803609955951035400400
125 0Yyn00.341.81.712064010807701210550550
200   0.482.61.516088012108101270550550
315   0.673.651.4235122013108401490550550
500   0.965.11.22951655139510251590660660
1000   1.710.31.05202715189013501840820820
1250   1.9512.81.05853335184514201890820820
1600   2.415.40.86603855229514001980820820
2000   2.6180.77954580236514202020820820
(Note): (Tapping range of high voltage) ±5%; ±2×2.5%



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