📋 Basic Information
Operation Condition
Indoor
Winding Form
Single Layer & Tightly Wound Type
Insulating Medium
Insulating Paper
Magnetic Circuit
Single Stage Type
Principle
Electromagnetic Type
Transport Package
400PCS/Box
Production Capacity
10000PCS/Month
Custom 20A Ring Core Mini-Precision Current Transformer
The ECO15 series are Current Transformers designed for Electrical Control Units. Featuring a compact size and cost-effective design, they are ideal for high-precision applications. Customized current ratios are available upon request.
⚙️ Technical Specifications
| Rated Primary Current (50/60Hz) | 20nom (0.01~40A max) |
| Turn Ratio | Np:Ns=1:1000 |
| Current Ratio | 20A / 20mA |
| Winding D.C. Resistance (20 ºC) | 26.5 ±10% Ω |
| Accuracy @ RL ≤ 10Ω | 0.2% |
| Phase Error at Rated Range | ≤ 10' |
| Operating Temperature | -40 ~ 80ºC |
| Storage Temperature | -45 ~ 80ºC |
| Dielectric Voltage (Hi-pot) | 4.0KV / 1mA / 1min |
| Insulation Resistance | DC500V / 100MΩ min |
🚀 Applications & Key Advantages
Applications:
✔ Current measurement
✔ Monitoring and protection
✔ Energy and sub-metering
✔ Network equipment
✔ Instruments and sensors
✔ Control systems
Advantages:
★ Excellent linearity over the whole range.
★ Fully RoHS compliant.
★ Mini-precision ring core design.
📸 Product Gallery
❓ Frequently Asked Questions
What is the primary current rating for the ECO1520-1?
The rated primary current is 20A nominal, with a measurement range of 0.01A up to 40A maximum.
What is the accuracy level of this current transformer?
This model provides a high precision accuracy of 0.2% at RL ≤ 10Ω.
Can the current ratio be customized for specific requirements?
Yes, customized current ratios are available to meet specific electrical control unit needs.
What is the operating temperature range?
The ECO1520-1 is designed to operate reliably within a temperature range of -40ºC to +80ºC.
Is this product compliant with environmental standards?
Yes, the product is fully RoHS compliant, ensuring it meets international environmental safety standards.
What is the dielectric withstanding voltage (Hi-pot)?
The transformer features a dielectric withstanding voltage of 4.0KV/1mA for 1 minute.
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