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{"title":"Industrial Voltage Transformer Oil Immersed Type 13.5KV 33KV 15KV","imgUrl":"https:\/\/img.chinax.com\/nimg\/c7\/6d\/574d413dd7340e5940976889760d-200x200-1\/industrial_voltage_transformer_oil_immersed_type_13_5kv_33kv_15kv.jpg","attrs":{"Brand Name":"SHLEIPUSI Or Support OEM\/ODM Service","Model Number":"S11-450KVA Or Customized","Certification":"CE;ISO9001;UL","Place of Origin":"Shanghai"}}
{"title":"33KV Oil Immersed Transformer 3 Phase Dyn11 Power Voltage Transformer","imgUrl":"https:\/\/img.chinax.com\/nimg\/44\/e7\/4ea4579d18d882f1d4e49443281d-200x200-1\/33kv_oil_immersed_transformer_3_phase_dyn11_power_voltage_transformer.jpg","attrs":{"Brand Name":"SHLEIPUSI Or Support OEM\/ODM Service","Model Number":"S11-450KVA Or Customized","Certification":"CE;ISO9001;UL","Place of Origin":"Shanghai"}}
Our Industrial Oil-Immersed Transformers (S11 Series) are industry-leading three-phase oil-filled distribution transformers, engineered to deliver stable, high-efficiency power conversion and distribution for demanding global industrial applications. Compliant with international grid standards, these transformers support primary voltage ratings from 6kV to 13.2kV (fully customizable) and secondary voltage of 0.4kV (customizable), with flexible on-load or no-load tap operation options. They are the ideal power solution for factory power systems, photovoltaic (PV) solar systems, EV charging stations, machine tools, power transmission equipment, voltage test benches, cutting machines, precision instruments, generators, and motors, with reliable performance for both indoor and outdoor deployment.
Key Features & Competitive Advantages
Premium Winding Design: High-conductivity windings with heat-resistant, corrosion-proof insulation ensure reliable power conversion, low waveform distortion, and extended service life even in harsh industrial environments.
Superior Terminal Reliability: High-performance terminals with industry-leading insulation properties prevent electrical leakage and maintain stable long-term operation.
High Efficiency & Low Loss: Optimized electromagnetic design delivers ultra-low no-load losses (900W ±15% for 450KVA model), high energy efficiency, and reduced operational costs for 24/7 industrial use.
Safe & Eco-Friendly Cooling: Adopts ONAN cooling method with PCB-free mineral oil refrigerant, ensuring excellent heat dissipation and full compliance with global environmental and safety standards.
Global Certification: Certified with ISO9001, CE, and UL, our transformers meet strict international quality requirements for worldwide deployment.
Full OEM/ODM Customization: We offer end-to-end customization, including adjustable parameters, custom appearance, logo branding on products and manuals, and tailored packaging to match your project needs.
Flexible Global Logistics: We support all mainstream shipping modes (sea, air, land, express, railway) and international trade terms (EXW, FOB, CIF, DDP, etc.), with mature delivery networks covering Central Asia, East Asia, South Asia, Africa, South America, and North America.
Comprehensive After-Sales Support: Backed by a 2-year warranty, we provide professional remote video technical guidance, free component replacement for quality defects, and optional on-site installation by certified engineers.
Strong Production Capacity & Low MOQ: We produce up to 10,000 units of small-power transformers and 2,000 units of large-power industrial transformers monthly, with a minimum order quantity of just 1 set to support both sample and bulk orders.
Technical Specifications
Item
Specification
Product Name
Three Phase Oil-Immersed Industrial Distribution Transformer
Standard products: 3-7 working days. Custom orders: 10-30 working days based on order quantity and specific requirements.
How do you control product quality?
We implement full-process quality inspection from raw material incoming to final manufacturing. All products are strictly tested and only shipped after meeting international quality standards.
What are your payment terms?
30% deposit for standard products, 50% advance payment for custom orders, with the full balance settled before shipment.
Can you provide technical support for product installation?
Yes, our professional technical team offers full installation guidance and application technical support, including remote video assistance.
What is your product packaging?
Large-capacity transformers are packed in reinforced wooden cases, and small products are packed in high-strength cartons. Custom packaging is available upon request.
Can you print our logo on the product?
Yes, we provide full OEM/ODM services, including custom logo placement on products, user manuals and technical documents for eligible bulk orders.
What is your main market?
Our products are sold worldwide, covering core markets including Central Asia, East Asia, South Asia, Africa, South America and North America.
What is your production capacity?
Monthly production capacity reaches up to 10,000 units for small-power transformers, and up to 2,000 units for large-power industrial transformers.
What is your minimum order quantity (MOQ)?
Our minimum order quantity is 1 set, supporting both sample and bulk orders.
