QSG/SG 3 Phase Dry-Type Isolation Transformer

The QSG/SG Three-Phase Dry-Type Isolation Transformer series offers superior electrical performance and reliability, specifically engineered to meet rigorous international standards, including IEC439 and GB5226. Leveraging advanced winding technologies combined with vacuum impregnation processes, these transformers provide exceptional insulation grades (Class F or H), guaranteeing optimal efficiency and operational safety in diverse electrical applications.

Superior Construction and Design

QSG/SG transformers incorporate robust iron cores and meticulously crafted multiple windings. These components function based on the principle of electromagnetic mutual induction, facilitating efficient conversions between voltage, current, and impedance. This series is widely applicable in AC circuits operating between 50Hz and 60Hz with voltage ratings up to 2000V, making it ideal for various three-phase power supply environments.

Customizable Configurations

One of the distinguishing features of the QSG/SG series is its high adaptability to specific user requirements. Input and output voltages, winding connection methods, capacity allocations, and secondary winding configurations can be customized extensively, ensuring that each transformer precisely meets customer application needs.

Product Model and Specifications

Type Designation:

Normal Operating Conditions

• Altitude: ≤ 2500 meters above sea level
• Ambient temperature range: -25°C to +40°C
• Sinusoidal current and voltage waveforms
• Environment free from rain, snow erosion, and significant mechanical vibrations
• Non-explosive environment without corrosive gases or conductive dust

Technical Parameters and Dimensions

Dimensions with Housing:

Comprehensive Product Features

The QSG/SG transformers provide unmatched versatility and reliability, serving critical roles in industrial, commercial, and institutional facilities where precise, stable, and efficient power delivery is paramount. Their robust construction and customizable features make them ideal for various challenging applications, ensuring enhanced performance, safety, and longevity.