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BH-0.66 Low Voltage Current Transformer from China Suppliers & Factory - Accurate Measurement for 660V Systems
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BH-0.66 Type low voltage current transformer.jpg

BH-0.66 Low Voltage Current Transformer from China Suppliers & Factory - Accurate Measurement for 660V Systems

The BH-0.66 Low Voltage Current Transformer is a high-precision instrument crafted for accurate measurement and protection in 660V electrical systems. With an extensive primary current range of 50A to 4000A, this transformer provides reliable secondary outputs of 5A or 1A. Available in accuracy classes of 0.2S and 0.5, it accommodates both 50Hz and 60Hz power frequencies. Our low voltage current transformers are designed and manufactured in China, ensuring superior quality and performance for energy metering, system monitoring, and circuit protection applications. As a trusted supplier and factory, we guarantee dependable and precise solutions tailored to meet your energy management needs
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    Product Details

    Product Functions

    This transformer serves two essential roles in low-voltage networks. It enables high-accuracy energy measurement (0.2S class) for precise revenue metering and power consumption analysis. It provides reliable current signals for system monitoring and protection (0.5 class), facilitating load tracking and enabling protective devices to detect abnormal conditions. Its versatile current transformation capability makes it suitable for applications ranging from individual circuit monitoring to main distribution feeder measurement.

    Applicable Environment

    Designed for low-voltage power distribution systems up to 660V, the BH-0.66 is ideal for installation in switchgear panels, distribution cabinets, motor control centers, and renewable energy systems. It is widely used across industrial plants, commercial buildings, data centers, and solar installations. Suitable for both indoor and protected outdoor environments, this transformer meets the demanding requirements of modern electrical infrastructure where space efficiency and measurement accuracy are critical considerations.

    Product Highlights

    • Exceptional Range Flexibility Covers an extensive primary current spectrum from 50A to 4000A, accommodating applications from small commercial circuits to large industrial main feeders with a single product solution.
    • Dual-Precision Capability Offers both 0.2S class and 0.5 class options, providing cost-effective solutions for different accuracy requirements without compromising performance.
    • Global System Compatibility Supports international power standards with 50Hz/60Hz frequency adaptability and selectable 5A/1A secondary outputs, ensuring seamless integration with protective relays and meters worldwide.
    • Robust Electrical Protection Features 3kV/1min power frequency withstand voltage capability, ensuring reliable insulation performance and durability under transient overvoltage conditions in electrical distribution environments.
    • Certified Quality Assurance Manufactured in strict compliance with GB/T20840.1 and GB/T20840.2 standards, guaranteeing adherence to national benchmarks for accuracy, safety, and electromagnetic performance.

    Frequently Asked Questions

    Q What is the maximum voltage rating for the BH-0.66 current transformer?
    The BH-0.66 is designed for low-voltage power distribution systems with a maximum rated voltage of 660V, making it suitable for standard low-voltage industrial and commercial applications.
    Q What primary current range does the BH-0.66 support?
    The BH-0.66 supports an extensive primary current range from 50A to 4000A, making it versatile enough for both small commercial circuits and large industrial main feeder applications.
    Q What accuracy classes are available for this transformer?
    The BH-0.66 offers two accuracy class options: 0.2S class for high-precision revenue metering and power consumption analysis, and 0.5 class for general system monitoring and protection applications.
    Q Is the BH-0.66 compatible with both 50Hz and 60Hz power systems?
    Yes, the BH-0.66 supports both 50Hz and 60Hz frequencies and offers selectable 5A or 1A secondary outputs, ensuring compatibility with protective relays and meters used in power systems worldwide.
    Q What types of installations is the BH-0.66 suitable for?
    The BH-0.66 is suitable for installation in switchgear panels, distribution cabinets, motor control centers, and renewable energy systems. It is widely used in industrial plants, commercial buildings, data centers, and solar installations, in both indoor and protected outdoor environments.
    Q What standards does the BH-0.66 comply with?
    The BH-0.66 is manufactured in strict compliance with GB/T20840.1 and GB/T20840.2 standards, ensuring adherence to national benchmarks for accuracy, safety, and electromagnetic performance.