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Home Product YDBH0.66-30I-A-300/5A Current Transformer, YDBH 30I Series Energy Metering CT for Power Monitoring Systems
Current transformer YDBH0.66-30I-A-300/5A closed transformer

YDBH0.66-30I-A-300/5A Current Transformer, YDBH 30I Series Energy Metering CT for Power Monitoring Systems

YDBH0.66 current transformer
300/5A CT sensor
YDBH series 0.66kV CT
YDBH0.66-30I-A-300/5A
YDBH0.66 Current Transformer (300/5A CT Sensor) from YDBH series 0.66kV-rated instrument transformers, designed for accurate current measurement and monitoring in low-voltage systems. Features compact structure, 300/5A ratio compliance, and reliable performance for energy metering/protection applications. IEC-compliant design ensures safe operation up to 0.66kV.
Categories:Test & Measurement
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Product Description

The YDBH0.66-30I-A-300/5A is a compact current transformer from the YDBH series 0.66kV CT line, designed for precise AC current measurement in energy management and industrial automation systems. With a rated ratio of 300/5A, this YDBH0.66 current transformer features a single input/output configuration and supports direct connection to up to 30 monitoring modules via RS-485 or Modbus communication interfaces. Operating within 0.5-0.8kV voltage range and -25°C to +70°C temperature limits, it excels in smart grid and power distribution applications. The 300/5A CT sensor offers ±0.5% accuracy, robust aluminum alloy housing for durability, and DIN-rail mounting compatibility. While lacking a built-in display or battery, its non-invasive design ensures safe installation without interrupting live circuits. Typical detection distances range up to 10cm for optimal magnetic field sensing. Key advantages include IP54 protection, wide frequency response (50-400Hz), and compliance with IEC 61869 standards.
Parameter Specification
Product Model YDBH0.66-30I-A-300/5A
Rated Primary Current 300A
Rated Secondary Current 5A
Accuracy Class 0.5, 1.0
Rated Voltage 0.66kV
Frequency 50/60Hz
Rated Burden 2.5VA-30VA
Insulation Class E
Overcurrent Capacity 1.2×In (Continuous)
Phase Difference ≤10'
Secondary Open Voltage ≤500V
Operating Temperature -25°C to +70°C
Storage Temperature -40°C to +85°C
Humidity ≤95% RH
Mounting Rail/DIN Installation
question:Can I request low-value declaration for shipments?
answer:No, we strictly comply with international trade laws and require full value declaration for all shipments.
question:Why choose your company for industrial automation products?
answer:As Asia's leading industrial automation supplier with 20+ years of proven reliability, 85% clients are long-term partners.
question:Why were product labels removed upon delivery?
answer:Labels are removed only to prevent unauthorized resale, ensuring compliance with regional distribution agreements.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can I request low-value declaration for shipments?
answer:No, we strictly comply with international trade laws and require full value declaration for all shipments.
question:Why choose your company for industrial automation products?
answer:As Asia's leading industrial automation supplier with 20+ years of proven reliability, 85% clients are long-term partners.
question:Why were product labels removed upon delivery?
answer:Labels are removed only to prevent unauthorized resale, ensuring compliance with regional distribution agreements.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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