Verified Supplier | Ningbo Jinyuan Elect...

Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: goldsource
  • Model Number: ST
  • Usage: Power
  • Phase: Single
  • Coil Structure: Toroidal
  • Coil Number: Autotransformer

Packaging & Delivery

Delivery Detail: 30-40 days


ST series step up and down transformer



      1. Input voltage:AC110V or 200V or 220V or 240V
      2.Output voltage:AC 110V and 220V
      3.With fuse protector or with over current protector
2.More detail parameters
TypeThe Rated PowerExternal Package SizeN.WG.WQty Per Carton
ST-100100W39.5 x 31.5 x 22.5cm17.5kg18.5kg12PCS/CTN
ST-200200W39.5 x 31.5 x 22.5cm22.0kg24kg12PCS/CTN
ST-300300W35.5 x 31.5 x 24.5cm20.5kg22kg8PCS/CTN
ST-500500W46.0 x 19.0 x 24.5cm20.0kg21.5kg6PCS/CTN
ST-750750W31.5 x 22.0 x 24.5cm18.5kg19.5kg4PCS/CTN
ST-10001000W30.0 x 25.5 x 21.5cm6kg8.5kg1PCS/CTN
ST-15001500W30.0 x 25.5 x 21.5cm8kg22kg1PCS/CTN
ST-20002000W34.0 x 25.5 x 21.5cm10kg10.5kg1PCS/CTN
ST-30003000W34.0 x 25.5 x 21.5cm12kg12.5kg1PCS/CTN
ST-40004000W40.0 x 28.5 x 24.0cm16.5kg17.0kg1PCS/CTN
ST-50005000W40.0 x 28.5 x 24.0cm18kg18.5kg1PCS/CTN
ST-1000010000W42.5 x 32.0 x 30.0cm33kg34kg1PCS/CTN














4.Plug choosing 










Q 1. What’s the payment terms?  


A. We accept T/T, 30% deposit and 70% balance before shipment.


Q 2. What’s the loading port?


A. Usually we prefer beilun port (Ningbo) for delivery.


Q 3. How’s the delivery time?


A. Normally it will take about 30-45 days for production.


Q 4. We want to know about production capacity.  


A. Our average capacity is 10000 pcs per month.


Q 5. May I know the standard of package?


A. We usually use carton for small units, and use strong wooden case for floor standing big units. Each unit is well protected by color box.


Q 6. What kind of material of transformer?


A. We have two types, one is 100% copper and the other is copper with aluminum. It depends on your requirements. In fact, those two have no difference if normal work well.


Q 7. Would you accept to use our logo?


A. If you have good quantity, it is absolutely no problem to do OEM.


Q 8. What is your market?


A. Our products are popular export to Africa, South Asia, Middle East, Europe, and so on. Most are our regular customers and some are under developing. Surely we hope you can join us and make mutual benefits from our cooperation.

















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Verified Supplier | Ningbo Jinyuan Electricity Co., Ltd.
[ Zhejiang, China (Mainland) ]
Business Type: Manufacturer, Trading Company
  • Onsite operations checked and legal status confirmed

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