| Customization: | Available |
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| Application: | Electronic |
| Phase: | Three |
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Our three-phase dry-type isolation transformer is designed for safe and efficient voltage conversion in industrial, commercial, and critical power applications. Unlike oil-filled transformers, it uses advanced air-cooled insulation, eliminating fire hazards and environmental risks.
High Efficiency (Up to 98%) - Minimizes energy loss
Isolation Protection - Prevents ground loops & electrical noise
Dry-Type Design - No flammable oil, maintenance-free
Low Noise Operation (<65dB) - Ideal for indoor installations
Thermal Protection - Class H (180°C) insulation for high-temperature endurance
Customizable Ratings - From 5kVA to 5000kVA, 380V/220V/480V options
| Parameter | Specification |
|---|---|
| Model | 3-Phase Dry-Type Transformer |
| Rated Power | 100 kVA |
| Rated Voltage (Primary) | 11 kV |
| Rated Voltage (Secondary) | 400 V |
| Frequency | 50 Hz |
| Impedance Voltage | 4.5% |
| Cooling Type | Dry Type (Natural Air Cooling) |
| Short Circuit Impedance | 4.5% |
| Phase | 3-Phase |
| Connection Type | Delta-Primary / Star-Secondary |
| No-Load Loss | 0.75 kW |
| Full-Load Loss | 1.2 kW |
| Efficiency | ≥98% |
| Temperature Rise | 60°C |
| Ambient Temperature | -5°C to 40°C |
| Insulation Class | Class F (155°C) |
| Weight | 800 kg |
| Dimensions (L×W×H) | 1200 mm × 800 mm × 1000 mm |
| Standards Compliance | IEC 60076-11, BS EN 60076 |
| Protection Class | IP20 |
Advantages of Three-Phase Dry-Type Isolation Transformers:
Safe & Eco-Friendly - No flammable oil, reducing fire and environmental risks.
High Efficiency - Low energy loss with advanced core materials.
Reliable & Durable - Resists moisture, dust, and corrosion for long service life.
Low Maintenance - No oil checks; minimal upkeep required.
Flexible Installation - Compact, lightweight, and suitable for indoor/outdoor use.
Clean Power - Reduces electrical noise and stabilizes voltage for sensitive equipment.
Ideal for industrial, commercial, and renewable energy applications.
Chongqing Zexing Electric Power Equipment Co., Ltd. is committed to providing high-quality electrical equipment with certifications that meet international standards. The company holds various certificates, including ISO 9001 for quality management, ISO 14001 for environmental management, and CE certification for product safety and compliance. These certifications validate the company's dedication to maintaining strict quality control, environmental sustainability, and meeting the highest safety standards, ensuring the reliability and efficiency of its products.
Chongqing Zexing Electric Equipment Co., Ltd. (Company Profile)
Chongqing Zexing Electric Equipment Co., Ltd. is a professional manufacturer specializing in the R&D, production, and sales of oil-immersed transformers, dry-type transformers, and related power distribution equipment. Located in Chongqing, China, we are committed to providing reliable and efficient power solutions for industrial, commercial, and utility applications.With advanced production technology and strict quality control, we provide reliable and energy-efficient solutions for power transmission and distribution systems.
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