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High-Current ES103 Battery Storage Connector - China Suppliers and Factory for Reliable Energy Solutions
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High-Current ES103 Battery Storage Connector - China Suppliers and Factory for Reliable Energy Solutions

The ES103 Series Battery Energy Storage Connector, designed by leading China suppliers, is an essential component for high-voltage positive and negative connections between battery packs in energy storage systems. This high-performance battery connector features a robust 10.3mm diameter terminal, ensuring exceptional current-carrying capacity with configurations that support 250A-50mm², 280A-70mm², 330A-95mm², and 350A-120mm². It caters to diverse current and wiring requirements across various applications, Engineered for reliability, this energy storage connector includes a unique secondary lock buckle mechanism that allows for quick and secure mating and unmating operations. Additionally, the 4-position polarized keying system effectively prevents mismating, significantly improving installation reliability, Certified to meet international safety standards such as UL 4128 and EN 61984 (TUV), this connector guarantees safe and efficient connectivity for energy storage systems. As a trusted factory in China, we are committed to providing high-quality battery connectors that meet your energy storage needs

    Rated Current
    250A-50mm² / 280A-70mm² / 330A-95mm² / 350A-120mm²
    Rated Voltage
    DC1500V
    Withstand Voltage
    AC 6800V
    Insulation Resistance
    ≥500MΩ
    Contact Resistance
    ≤0.3mΩ
    Temperature Rise
    ≤45K

    Frequently Asked Questions

    Q: What is the rated current for different cable sizes?

    The rated current is specified as 250A for 50mm² cables, 280A for 70mm² cables, 330A for 95mm² cables, and 350A for 120mm² cables.

    Q: What is the maximum rated voltage of this component?

    This component has a rated voltage of DC1500V.

    Q: What is the withstand voltage capacity?

    The withstand voltage rating is AC 6800V, ensuring safety under high-voltage conditions.

    Q: What are the insulation and contact resistance values?

    The insulation resistance is ≥500MΩ, and the contact resistance is kept very low at ≤0.3mΩ.

    Q: What is the maximum temperature rise?

    The maximum temperature rise under load is certified to be ≤45K.