Home - Sanlita // TOP 2 Leader Manufacturer Factory for Worldwide Solar & Energy Storage Systems Lithium Batteries Solar PV Solutions Sun, 14 Jun 2026 09:10:57 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 //wp-content/uploads/2026/06/cropped-Sanlita-Solar-Energy-Storage-System-ESS-Large-Lithium-Batteries-China-Factory-Manufacturer-1-32x32.png Home - Sanlita // 32 32 S13-M Fully Sealed Oil-Immersed Transformer 10kV/0.4kV 630-1250kVA by Sanlita //product/s13-m-fully-sealed-oil-immersed-transformer-10kv-0-4kv-630-1250kva-by-sanlita/ Sun, 14 Jun 2026 09:10:57 +0000 //?post_type=product&p=380
  • Factory-direct pricing from China's leading transformer manufacturer
  • High efficiency S13-M design with low no-load loss
  • Fully sealed structure for maintenance-free operation
  • Customizable 630/800/1000/1250kVA ratings for diverse applications

    • S13-M Fully Sealed Oil-Immersed Transformer 10kV/0.4kV 630-1250kVA by Sanlita最先出现在Sanlita。

    ]]>     Product Overview

    Sanlita’s S13-M fully sealed oil-immersed transformer is engineered for efficient and reliable power distribution in commercial and industrial applications. With voltage ratings of 10kV/0.4kV and capacities from 630kVA to 1250kVA, this transformer features a fully sealed design that prevents oil oxidation and moisture ingress, ensuring long-term maintenance-free operation. The S13-M series meets the latest energy efficiency standards, reducing operational costs while delivering stable performance under demanding conditions.

    Technical Specifications

    Parameter Value
    Type S13-M Fully Sealed Oil-Immersed
    Primary Voltage 10 kV
    Secondary Voltage 0.4 kV
    Rated Capacity 630 / 800 / 1000 / 1250 kVA
    Frequency 50/60 Hz
    Cooling Method ONAN (Oil Natural Air Natural)
    No-Load Loss ≤ 0.8% (varies by capacity)
    Load Loss ≤ 4.5% (varies by capacity)
    Insulation Class Class A / Class B (optional)
    Protection Degree IP67 (fully sealed)
    Standard IEC 60076 / GB 1094

    Why Choose Sanlita

    As a direct Chinese manufacturing factory, Sanlita offers unmatched advantages: competitive factory pricing without middlemen, strict quality control through ISO9001 certified production lines, and fast global shipping. Our S13-M transformers undergo rigorous testing including short-circuit, impulse, and temperature rise tests to ensure compliance with international standards. With over 15 years of export experience, we provide tailored solutions and responsive after-sales support.

    FAQ

    Q: What is the warranty period for Sanlita S13-M transformers?

    A: We offer a standard 2-year warranty covering manufacturing defects, with extended options available upon request.

    Q: Can the transformer be customized for different voltage ratios?

    A: Yes, we can adjust primary and secondary voltages to meet specific project requirements, including 11kV/0.4kV or 20kV/0.4kV configurations.

    Q: Is the transformer suitable for outdoor installation?

    A: Absolutely. The fully sealed IP67 design makes it ideal for outdoor use, protecting against rain, dust, and extreme temperatures.

    Q: What is the typical lead time for an order?

    A: For standard capacities (630-1250kVA), lead time is 25-35 days after deposit. Custom orders may require 40-50 days.

    Q: Do you provide installation and commissioning support?

    A: We provide detailed technical documentation and remote guidance. On-site commissioning support can be arranged for large projects.

    S13-M Fully Sealed Oil-Immersed Transformer 10kV/0.4kV 630-1250kVA by Sanlita最先出现在Sanlita。

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