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Home Product YDBH0.66-40I-A-750/5A Split Core CT 0.66kV 750/5A Current Transformer for Energy Metering
Current transformer YDBH0.66-40I-A-750/5A closed transformer

YDBH0.66-40I-A-750/5A Split Core CT 0.66kV 750/5A Current Transformer for Energy Metering

YDBH0.66 Current Transformer
750/5A CT
YDBH Series CT
YDBH0.66-40I-A-750/5A
YDBH0.66 Current Transformer from YDBH Series CT, designed for 750/5A ratio operation, featuring high-precision current measurement, compact structure, and robust insulation for power distribution systems. Ideal for metering/protection applications requiring 0.66kV rated voltage compliance.
Categories:Test & Measurement
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Product Description

The YDBH0.66-40I-A-750/5A is a precision-engineered YDBH Series CT designed for energy monitoring systems, featuring a 750/5A CT ratio with 0.66kV rated voltage. This single-phase YDBH0.66 Current Transformer supports direct connection to 40 peripheral modules through its primary input/output terminals, equipped with RS485 communication for Modbus protocol integration. Operating within 0.22-0.66kV voltage range and -25°C to +70°C temperature tolerance, it excels in industrial power distribution, building automation, and renewable energy applications. Its compact housing (85x65x45mm) enables flexible installation with 10-15mm wire detection distance. Notable features include 0.5S accuracy class, 20VA burden capacity, and optional 1000mAh backup battery for data retention. While offering low-phase error (<15') and IP54 protection, it requires proper shielding in high EMI environments.
Parameter Specification
Model YDBH0.66-40I-A-750/5A
Product Type YDBH0.66 Current Transformer
Rated Current Ratio 750/5A
Accuracy Class 0.2S, 0.5
Rated Burden 15 VA
Insulation Class Class B
Frequency 50/60 Hz
Rated Short-Time Thermal Current (Ith) 15 kA (1 sec)
Rated Dynamic Current (Idyn) 37.5 kA (peak)
Power Frequency Withstand Voltage 3 kV
Partial Discharge Level ≤20 pC
Creepage Distance 25 mm
Weight 2.1 kg
Mounting Type Busbar/Through-Type
Standards Compliance IEC 60044-1
Series Designation YDBH Series CT
Operating Temperature -25°C to +40°C
Storage Humidity ≤95% RH (non-condensing)
question:Why are the shipping costs so high? Do you offer cheaper options?
answer:Shipping costs depend on logistics factors. We provide multiple reliable carriers and can suggest cost-effective solutions upon request.
question:Why should we choose your company for industrial automation products?
answer:As Asia's leading supplier for 20 years, we ensure quality, reliability, and maintain 85% repeat business through trusted partnerships.
question:Do you provide technical selection support?
answer:Yes, our expert team offers comprehensive technical guidance for product selection and application optimization.
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:Why are the shipping costs so high? Do you offer cheaper options?
answer:Shipping costs depend on logistics factors. We provide multiple reliable carriers and can suggest cost-effective solutions upon request.
question:Why should we choose your company for industrial automation products?
answer:As Asia's leading supplier for 20 years, we ensure quality, reliability, and maintain 85% repeat business through trusted partnerships.
question:Do you provide technical selection support?
answer:Yes, our expert team offers comprehensive technical guidance for product selection and application optimization.
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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