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Durable 480V to 220V Auto Transformer for Large Power Needs Municipal Infrastructure
US$1,200.00-9,000.00
1 Piece
Product profile
Customization
AvailableApplication
Power, Electronic, LightingPhase
ThreeModel NO.
S9/10/11/13/20/22Core
Core-type TransformerCooling Method
Oil-immersed Type TransformerWinding Type
Two-winding TransformerCertification
ISO9001Usage
Combined Transformer, Power Transformer, Distribution TransformerFrequency Characteristics
High FrequencyShape of Core
RingBrand
XiaopaiConnection Group
Yd11/Ynd11Rated Capacity
800~31500kVADimensions
2140*1320*2120mmWinding Material
Aluminum, CopperTransport Package
Standard Export Wooden BoxSpecification
2140*1320*2120mmTrademark
XIAOPAIOrigin
WenzhouHS Code
8504210000Key features
Low Noise Design: S9 series designed for low noise operation in power applications.
High Permeability Core: Iron core made from cold rolling orientation silicon steel with inclined seam laminated structure.
Corrugated Oil Tank: Tank wall features corrugated design for cooling and breathing function to adapt to oil volume changes.
Vacuum Oil Injection: Uses vacuum oil injection technology to remove moisture and prevent insulation performance reduction.
Wide Capacity Range: Available in rated capacities from 800kVA to 31500kVA.
Multiple Winding Materials: Windings available in Aluminum or Copper options.
Comprehensive Protection: Equipped with pressure relief valves, gas relay terminals, and oil temperature measurement devices.
Customized Solutions: Customized solutions available for different application scenarios.
Company profile

Wenzhou Xiaopai Electric Power Technology Co., LtdZhejiang, China
Business Type: Manufacturer/FactoryExport Year: 2026-04-21Nearest Port: NINGBO, SHANGHAIAverage Response Time: ≤1.05hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CIF
About Our Factory & Business Background
AddressRoom 603, Building 1, Tianrun Mansion, No. 458, Shanghui Road, Louqiao Sub-District, Ouhai District, Wenzhou City, Zhejiang Province, Wenzhou, Zhejiang, China
Average Lead TimePeak Season Lead Time: 1-3 months Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Main ProductsBox-Type Substation, Solvent-Free Laminating Machine, Oil Immersed Transformer, Dry Type Transformer, Vacuum Circuit Breaker, Hot Knife Compound Machine, Printing Machine, Customized Transformer, Slitting Machine, Switchgear
Our Industry Experience & Global Business Record
Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Product Q&A
Q:What is the rated capacity range?
A:
The transformer is available in rated capacities ranging from 800kVA to 31500kVA.
Q:What winding materials are available?
A:
We offer winding materials in both Aluminum and Copper options.
Q:Does the transformer have low noise features?
A:
Yes, the S9 series is specifically designed as a low noise oil immersed power transformer.
Q:What protection devices are included?
A:
All units are equipped with a pressure relief valve and can provide gas relay alarm and trip terminals.
Q:How is the transformer oil protected?
A:
We use vacuum oil injection technology to thoroughly remove moisture and prevent oxygen or moisture entry.
Send Inquiry
*To:
Wenzhou Xiaopai Electric Power Technology Co., Ltd
Wenzhou Xiaopai Electric Power Technology Co., Ltd*Content:
Supplier replies will be sent to your registered email
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