Model: SCB18
Capacity: 250kVA
Voltage: Input 6,000V, Output 380V (three-phase step-down configuration)
Frequency: 50Hz/60Hz
Type: Dry-type transformer (oil-free, maintenance-free)
Certifications: ISO, SGS, CE
Key Advantages:
As a high-efficiency step down power transformer, this 3 Phase Step Down Transformer enables precise voltage conversion from high to low levels. Its step down distribution transformer design, combined with epoxy resin insulation, ensures low energy loss, high safety, and long-term stable operation, ideal for industrial and infrastructure applications.
Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of 250kva 3 phase step down transformer in China. If you're going to buy customized 250kva 3 phase step down transformer made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.
Features and Functions of Dry Type Transformer
Energy-Efficient, Low Loss:
Optimized silicon steel cores and winding design minimize iron and copper losses, enhancing efficiency. It is the preferred step down power transformer for industrial energy-saving requirements.
Accurate Three-Phase Voltage Conversion:
The 3 Phase Step Down Transformer structure facilitates smooth conversion from 6,000V input to 380V output with voltage stability error <±2%.
Enhanced Safety Protection:
Dry-type construction eliminates oil leakage risks. Built-in overload and short-circuit protection, coupled with CE-certified step down distribution transformer standards, ensure equipment and personnel safety.
Broad Frequency Compatibility:
Supports 50Hz/60Hz dual-frequency operation, making it suitable for global power systems.
Durable & Compact Design:
Epoxy resin casing provides impact resistance and corrosion resistance, ensuring reliable performance in harsh environments.
Maintenance and Installation Guidelines of Dry-Type Transformers
Pre-installation Preparation:
Ensure the installation area is well-ventilated, away from flammable materials, and reserve at least 1.2 meters of heat dissipation space to meet the cooling requirements of the step-down distribution transformer.
Check if the input and output voltages match the parameters of the 3-phase step-down transformer to avoid equipment damage caused by incorrect connections.
Wiring Operation Standards:
Strictly follow the wiring diagram; do not reverse the high-voltage (6000V) and low-voltage (380V) terminals to ensure the safe operation of the step-down power transformer.
After completing the wiring, wrap exposed terminals with insulating material to prevent short circuits.
Daily Maintenance Key Points:
Regularly clean the dust off the casing, check if the connecting bolts are loose, and ensure the cooling fans operate normally.
Conduct quarterly checks on the stability of the output voltage; if a deviation >3% is detected, contact a technician for calibration.
Precautions:
Avoid long-term operation under conditions with humidity >85% or environmental temperature >40°C. Ensure the load is completely powered off before shutting down.
During maintenance, disconnect the power and discharge for 10 minutes, strictly adhering to the safety operation procedures of the step-down distribution transformer.
Global Transformer Supply Chain Integration Expert (2008 - Present)
Founded in 2008, GNEE Group has undergone fifteen years of deep industry cultivation, successfully transforming from a regional trader to a global supply chain management expert. As a pioneer in the integration of the steel industry chain, the group has established a full-cycle value system that spans raw material procurement, production coordination, logistics optimization, and terminal services, setting an innovative operational benchmark in the global transformer distribution sector. In the era of Industry 4.0, GNEE Group is accelerating towards its goal of becoming a global integrator oftransformer industry value through digital restructuring and green supply chain construction.
SGS certification certificate
Production environment
FAQ
Q1: How to choose the capacity of a dry-type transformer?
Based on actual load requirements, it's advisable to select 60%-80% of the rated capacity. Avoid long-term overload operation to ensure equipment stability and longevity.
Q2: What are the differences between SCB10-18 and SCB11?
SCB11 uses more efficient materials and processes, reducing no-load losses by about 30%, with lower noise and higher energy efficiency, meeting the latest environmental standards.
Q3: Is additional protection required for outdoor installation?
Dry-type transformers are designed for indoor use. For outdoor installation, waterproof, sunproof, and dustproof enclosures as well as cooling devices should be added to ensure normal operation.
Q4: Does noise control meet standards?
Modern dry-type transformers typically have noise levels below 50dB, meeting environmental requirements. If noise sensitivity is a concern, low-noise models can be selected or soundproofing measures can be added.
