YADA 3-Phase High Precision Miniature Current Transformer (Class 0.1 & 0.2)
The YADA 3-Phase CTY Series represents the pinnacle of miniature current measurement technology. Specifically designed for three-phase power systems, this integrated 3-in-1 transformer delivers exceptional linearity and Class 0.1/0.2 accuracy. Whether for revenue-grade energy billing or high-end industrial automation, YADA provides the precise signal conversion needed for modern smart grids.
Product Overview & Key Features
Unlike traditional single-phase CTs, the YADA 3-Phase series integrates three measurement units into one compact housing. This design drastically reduces wiring complexity and saves up to 50% of panel space, making it the ideal choice for compact smart meters and distribution cabinets.
Core Technical Specifications:
| Feature | Details |
|---|---|
| Phase Type | 3-Phase (Integrated 3-in-1 Design) |
| Accuracy Class | Class 0.1 / Class 0.2 (Ultra-High Precision) |
| Input/Output Ratios | 5A/5mA, 50A/20mA, 100A/40mA (Customizable) |
| Rated Voltage | 0.66kV AC |
| Frequency | 50Hz / 60Hz |
| Linearity Range | 5% – 120% of rated current |
| Secondary Load | ≤10Ω (Optimized for low power consumption) |
| Standard Compliance | IEC 61869-2, CE |
Product Advantages (Why It Leads the Market)
- Laboratory-Grade Precision (Class 0.1): One of the few miniature CTs in the market capable of achieving Class 0.1 accuracy, ensuring zero-error data for high-stakes energy management.
- 3-in-1 Space-Saving Architecture: Simplifies installation by combining three phases into a single module. Perfect for DIN-rail meters and micro-distribution boxes.
- Superior Phase Shift Performance: Minimized phase angle error ensures accurate power factor calculations in complex AC networks.
- High Insulation Reliability: Rated for 0.66kV systems with vacuum-potted epoxy resin to ensure long-term stability in humid or dusty industrial environments.
- Robust Wide-Range Linearity: Maintains high accuracy even at low current levels (down to 5% of rated current), crucial for fluctuating industrial loads.
Typical Applications
- Multi-Function Energy Meters: Revenue-grade 3-phase billing meters.
- Industrial Automation: PLC-based power monitoring and motor control centers.
- Smart Distribution Panels: Space-constrained low-voltage switchgears.
- EV Charging Stations: Precision current sensing for high-speed AC charging piles.
- Data Center PDUs: Rack-level power usage effectiveness (PUE) monitoring.
Strategic Selling Points for B2B Buyers
- Reduced Total Cost of Ownership (TCO): By using one 3-phase unit instead of three single-phase CTs, you reduce inventory SKUs, installation labor, and potential wiring errors.
- Optimized for Smart Metering: Specifically engineered to interface with high-end energy metering ICs, providing the clean, low-noise analog output required for IoT power sensors.
- Industrial-Grade Durability: Built to withstand the rigors of 24/7 industrial operation, featuring flame-retardant VO-rated housing.
- Flexible Customization (OEM/ODM): We support custom turns-ratios, lead-wire specifications, and accuracy tuning to match your specific hardware requirements.
Upgrade Your 3-Phase Monitoring System Today
Need a custom ratio or a Class 0.1 solution for your project? Our technical engineers are ready to assist with wiring diagrams and spec validation.
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