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Home Product YDBH0.66-40I-A-250/5A 250:5A Current Transformer | YDBH Series 40A for Energy Monitoring
Current transformer YDBH0.66-40I-A-250/5A closed transformer

YDBH0.66-40I-A-250/5A 250:5A Current Transformer | YDBH Series 40A for Energy Monitoring

YDBH0.66-40I-A-250/5A
YDBH current transformer
40I-A current transformer
YDBH0.66-40I-A-250/5A
YDBH0.66-40I-A-250/5A current transformer, a compact design from YDBH series, features 0.66kV rated voltage and 250/5A ratio for precision current measurement. 40I-A current transformer model delivers reliable performance in industrial power distribution and energy monitoring systems with robust construction and high accuracy compliance.
Categories:Test & Measurement
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Product Description

The YDBH0.66-40I-A-250/5A is a precision-engineered YDBH current transformer designed for energy measurement and protection in industrial power systems. It operates with a primary current rating of 250A and delivers a 5A secondary output, optimized for direct integration with up to three monitoring modules simultaneously. Supporting a working voltage range of 0.2-0.75kV and temperature tolerance from -25°C to +70°C, this 40I-A current transformer features DIN-rail mounting compatibility and interfaces with standard Modbus-RTU protocols via RS-485 communication. Ideal for smart grid applications, manufacturing plants, and renewable energy systems, its compact design ensures high accuracy (±0.5%) across full load conditions while maintaining exceptional thermal stability. The device eliminates auxiliary power requirements through self-powered operation but lacks native wireless connectivity. Robust insulation and anti-interference shielding enable reliable performance in high-electromagnetic-noise environments.
Parameter Specification
Model Number YDBH0.66-40I-A-250/5A
Type YDBH Current Transformer
Rated Voltage 0.66 kV
Primary Current 250 A
Secondary Current 5 A
Accuracy Class 0.5
Frequency 50/60 Hz
Rated Burden 2.5 VA
Insulation Level Class A
Mounting Style DIN Rail
Compliance IEC 61869-1, IEC 61869-2
Series Designation 40I-A Current Transformer
Operating Temperature -25°C to +70°C
Weight 0.45 kg
question:Can you provide shipment photos and purchase dates for similar products?
answer:Yes, we can share anonymized samples promptly upon request while adhering to confidentiality agreements with partners.
question:Why should we purchase from your company?
answer:As Asia's leading industrial automation trader with 20 years' experience, 85% clients are repeat buyers due to reliable quality and proven credibility.
question:Can your company ensure stable supply?
answer:Absolutely. We maintain long-term partnerships with top manufacturers and efficient inventory management for consistent, timely deliveries.
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 you provide shipment photos and purchase dates for similar products?
answer:Yes, we can share anonymized samples promptly upon request while adhering to confidentiality agreements with partners.
question:Why should we purchase from your company?
answer:As Asia's leading industrial automation trader with 20 years' experience, 85% clients are repeat buyers due to reliable quality and proven credibility.
question:Can your company ensure stable supply?
answer:Absolutely. We maintain long-term partnerships with top manufacturers and efficient inventory management for consistent, timely deliveries.
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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