Tel: +86-15876591363
Email: Tony@aputon-transformer.com
2025-05-19 09:37:08
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Tunnel infrastructure demands space-efficient, robust power solutions that withstand harsh underground conditions. Aputon’s Three-Phase Box Type Compact Transformer is specifically designed for:
✔ High Humidity & Corrosion Resistance – IP55-rated enclosure with anti-condensation heating
✔ Space Optimization – 40% smaller footprint vs. conventional units
✔ Fire Safety – Flame-retardant materials (IEC 60726 compliant)
✔ Low Noise – <65dB operation for worker comfort
Technical Specifications:
• Capacity: 50kVA-2500kVA
• Voltage: 10kV/0.4kV or customizable
• Temperature Range: -25°C to +50°C
• Efficiency: ≥98% (at 75% load)
Why Aputon?
Since 2015, our ISO-certified manufacturing has supplied 20+ countries with:
✓ Custom designs for unique tunnel geometries
✓ 5-year warranty on core components
✓ Smart monitoring options (IoT-enabled)
Case Study: Our transformers power 18km of the Guangzhou Metro Tunnel with zero failures since 2018.
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