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35KVA 3 Phase 380V 220V Step Down Transformer | SG Series Dry Type Industrial Transformer
Product Overview
Our SG/SBK Series 35KVA 3 Phase 380V 220V Step Down Transformer, manufactured by Shanghai Lepus Electrical Equipment Co., Ltd., is a professional industrial-grade dry-type power solution designed to reliably step down 3-phase 380V grid power to stable 3-phase 220V output for global industrial applications. Suitable for 50/60Hz AC circuits with voltage up to 1000V, it offers a wide customizable capacity range from 500VA to 2000KVA to meet diverse power needs. Built with premium raw materials and precision engineering, it delivers full-capacity continuous operation, low energy loss, and strong adaptability to all industrial load types. It is the trusted choice for electrical engineers worldwide, widely applied in factory power distribution, CNC machine tools, photovoltaic systems, EV charging stations, motor control, voltage test benches, medical equipment, and high-precision industrial devices.
Key Features & Competitive Advantages
Engineered for stable voltage step-down and reliable industrial operation, this 3 phase transformer offers industry-leading performance:
Precise Stable Step-Down: ±2% output accuracy with no additional waveform distortion, delivering consistent 220V output for sensitive industrial equipment even under fluctuating input voltage.
High Efficiency & Energy Saving: High-permeability silicon steel core ensures noise-free operation (<55dB), low temperature rise (<80K), and ≥90% working efficiency for long-term energy savings.
Premium Industrial Build: High-purity copper windings deliver strong conductivity and low loss, with F-class insulation materials that withstand 3500V dielectric tests for enhanced durability and safety.
Safe & User-Centric Design: IP23 protection (customizable), reinforced high-insulation terminals, heat emission holes, digital display for real-time voltage monitoring, and safety trip lock guarantee safe on-site operation.
Flexible Configuration: Available in enclosed SG model or cabinet-free SBK model, with fully customizable voltage, capacity, and enclosure design to fit diverse industrial needs.
Why Choose SHLEPUSI
As a professional industrial step-down transformer manufacturer with global reach, we serve clients across 60+ countries and regions in Central Asia, East Asia, South Asia, Africa, Europe, North and South America. We provide full OEM/ODM customization, including tailored rated capacity, voltage parameters, enclosure design, brand logo printing, and custom packaging to fit your unique requirements. Every 35KVA unit undergoes strict multi-stage quality inspection and pre-shipment testing to ensure zero defects. We offer flexible global shipping options with full Incoterms support, lifetime free technical guidance, on-site engineer installation and debugging services, and free component replacement for quality issues during the warranty period, with a low minimum order quantity of 1 unit for all orders.
Technical Specifications
Core Parameter
Standard Specification
Product Name
35KVA 3 Phase 380V 220V Step Down Transformer
Standard Model
SG-35KVA (SBK cabinet-free model customizable)
Brand
SHLEPUSI (OEM/ODM Supported)
Place of Origin
Shanghai, China
Rated Capacity
35KVA (Customizable 500VA-2000KVA)
Rated Input Voltage
3 Phase 380VAC (Customizable)
Rated Output Voltage
3 Phase 220VAC (Customizable)
Working Frequency
50/60Hz
Output Precision
±2%
Insulation Class
F
Cooling Method
Dry Type Air Cooling
Protection Class
IP23 (Customizable)
Operating Temperature
-10℃ to +45℃
Dielectric Strength
3500V for 1 Minute
Noise Level
＜55dB
Working Efficiency
≥90%
Frequently Asked Questions (FAQ)
Q1: What is your standard lead time for this 35KVA step down transformer?
A: Standard in-stock orders ship within 3-7 working days. Customized or bulk orders take 10-30 days based on order specifications.
Q2: Can you customize the input and output voltage for step-down applications?
A: Yes. We fully customize voltage ratios beyond the standard 380V to 220V to match your local grid and equipment requirements.
Q3: How do you ensure product quality?
A: We implement full-process quality inspection from raw material incoming to final assembly, with strict pre-shipment testing for every unit.
Q4: What are your accepted payment terms?
A: 30% deposit for standard products, minimum 50% advance payment for customized orders, with full balance settled before shipment.
Q5: Do you provide technical support for installation?
A: Yes. Our professional technical team offers full installation guidance, on-site engineer dispatch, and lifetime free telephone technical support.
Q6: What packaging do you use for international shipping?
A: This 35KVA unit uses reinforced fumigated wooden cases for protection. Custom packaging is available upon request.
Q7: Do you accept OEM/ODM orders with our company logo?
A: Yes, we provide full OEM/ODM services, including custom logo printing on products and technical documents for eligible orders.
Q8: What are your main global markets?
A: We serve clients worldwide, covering Central Asia, East Asia, South Asia, Africa, Europe, North America and South America.
Q9: What is your monthly production capacity for industrial step-down transformers?
A: We produce up to 10,000 low-power units monthly, and 2,000 high-power industrial units, supporting bulk orders of all sizes.
Q10: What is your minimum order quantity (MOQ)?
A: Our MOQ is 1 unit, accommodating both sample testing and large-scale bulk procurement needs.
Shanghai Lepus Electrical Equipment Co., Ltd. is located in Shanghai, China, and operates as an integrated manufacturer combining R&D, production, sales, and technical services. We specialize in industrial power supply equipment and provide reliable, efficient, and customized electrical soluti...
Shanghai Lepus Electrical Equipment Co., Ltd. is located in Shanghai, China, and operates as an integrated manufacturer combining R&D, production, sales, and technical services. We specialize in industrial power supply equipment and provide reliable, efficient, and customized electrical soluti...
