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High-Quality LDZC-10 Through-Hole Current Transformer for Gas-Filled Cabinets - China Suppliers & Factory

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The LDZC-10 Special Through-Hole Current Transformer is a top-tier measurement solution tailored for gas-insulated switchgear, making it ideal for medium- and high-voltage power systems. Manufactured in China, this current transformer is a product of advanced technology and premium materials, ensuring exceptional stability and reliability in diverse operating conditions. As a trusted supplier and factory of high-performance electrical components, we prioritize delivering quality and performance that meets the needs of modern power systems.

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    Preview Data Contact us
    Outline and Installation Dimension Drawing

    Model and its meaning

    LDZC-10 Special Through-Hole Current Transformer

    Summarize

    The LDZC-10 Special Through-Hole Current Transformer for Gas-Filled Cabinets is widely used for current monitoring and protection in gas-insulated switchgear, power distribution rooms, substations, and other locations. It is suitable for the automation and intelligent transformation of power systems.

    Features:

    • High-Precision Measurement Excellent measurement accuracy that accurately reflects current changes, meeting the monitoring and protection needs of power systems.
    • Drive-In Design The unique drive-in structure facilitates installation and maintenance, suitable for confined spaces such as gas cabinets, saving installation space.
    • Excellent Insulation Performance Made of high-quality insulation materials with excellent pressure resistance, ensuring safe operation in high-pressure environments.
    • Strong Anti-Interference Capability Good electromagnetic compatibility to effectively resist external electromagnetic interference, ensuring the stability of measurement signals.
    • Multiple Output Options Supports multiple standard output signals, facilitating connection with various monitoring systems and protection devices to meet different user needs.
    • High Reliability Undergone rigorous quality testing and long-term field verification, demonstrating excellent durability and reliability, adaptable to various harsh working environments.
    By choosing the LDZC-10 Special Through-Hole Current Transformer for gas-filled cabinets, you will obtain an efficient and reliable current measurement solution, providing strong support for the safe and stable operation of your power system.

    Technical Parameters

    • Power factor of load:  COCφ = 0.8 (lag)
    • Rated secondary current:  5A or 1A
    • Rated frequency:  50Hz or 60Hz
    • Contamination level:  Grade III
    • Ambient temperature:  Min -5℃, Max 40℃, daily average ≤ 30℃
    • Altitude:  ≤ 1000m
    • Product standards:  GB/T20840.1 / GB/T20840.2

    Model

    Purpose

    Measure the
    current transformer

    Protect the
    current transformer

    Double-winding
    current transformer

    Stabilize the
    primary current

    Accuracy level and
    rated load（VA）

    Accuracy level and
    rated load（VA）

    Accuracy level and
    rated load（VA）

    0.2s

    0.2

    0.5

    10P5

    10P10

    10P15

    0.5

    1

    10P10

    10P5

    LDZC-10-4

    75/5

    –

    –

    2.5

    1

    –

    –

    –

    –

    –

    –

    100/5

    2.5

    2.5

    5

    1.5

    –

    –

    –

    –

    –

    –

    150/5

    2.5

    2.5

    5

    1.5

    –

    –

    –

    –

    –

    –

    200/5

    3.75

    3.75

    5

    3

    2.5

    –

    –

    –

    –

    –

    300/5

    5

    5

    7.5

    5

    2.5

    –

    –

    –

    –

    –

    400/5

    5

    5

    7.5

    5

    3.75

    –

    –

    –

    –

    –

    500/5

    5

    5

    7.5

    7.5

    5

    –

    –

    –

    –

    –

    600/5

    7.5

    7.5

    10

    7.5

    5

    –

    –

    –

    –

    –

    Frequently Asked Questions (FAQ)

    1 What is the LDZC-10 Special Through-Hole Current Transformer used for?
    The LDZC-10 is specifically designed for current monitoring and protection in gas-insulated switchgear (GIS), power distribution rooms, substations, and similar facilities. It supports the automation and intelligent transformation of power systems.
    2 What are the available rated secondary current options for the LDZC-10?
    The LDZC-10 supports two rated secondary current options: 5A and 1A, making it compatible with a wide range of monitoring systems and protection devices.
    3 What is the operating temperature range of the LDZC-10?
    The LDZC-10 operates within an ambient temperature range of -5℃ (minimum) to 40℃ (maximum), with a daily average temperature not exceeding 30℃, making it suitable for most indoor electrical installation environments.
    4 What accuracy levels does the LDZC-10 support?
    The LDZC-10 supports multiple accuracy levels including 0.2S, 0.2, and 0.5 for measurement purposes, as well as 10P5, 10P10, and 10P15 for protection purposes. Double-winding configurations are also available to meet diverse application requirements.
    5 Is the LDZC-10 suitable for installation in confined spaces?
    Yes. The LDZC-10 features a unique drive-in design that makes it especially suitable for confined spaces such as gas-filled cabinets. This design simplifies installation and maintenance while saving valuable installation space.
    6 What product standards does the LDZC-10 comply with?
    The LDZC-10 complies with Chinese national standards GB/T20840.1 and GB/T20840.2, which govern the general requirements and measuring current transformers respectively, ensuring high quality and reliability.