China BH-0.66 Low Voltage Current Transformer - Reliable 660V Measurement from Trusted Suppliers & Factory
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 (FAQ)
What is the rated voltage limit for the BH-0.66 current transformer?
The BH-0.66 current transformer is specifically designed for low-voltage power distribution systems operating up to 660V.
What accuracy classes are available for this transformer?
It features dual-precision capabilities, offering 0.2S class for high-accuracy energy measurement and revenue metering, as well as 0.5 class for standard system monitoring and protection.
What is the primary current measurement range?
It supports an extensive primary current range from 50A up to 4000A, making it suitable for both small commercial circuits and large industrial feeders.
Does the BH-0.66 support both 50Hz and 60Hz power systems?
Yes, it features global system compatibility with 50Hz/60Hz frequency adaptability and offers selectable 5A or 1A secondary outputs.
What standards and safety certifications does the transformer comply with?
The transformer is manufactured in strict compliance with GB/T20840.1 and GB/T20840.2 standards. It also features a 3kV/1min power frequency withstand voltage capability for robust electrical insulation protection.