electrical center b2c
BH0.66 Through-Core Current Transformer
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$41.00 NZD
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$41.00 NZD
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BH0.66/BZCT10 Series Through-Core Current Transformer, 1-Turn, High Precision 0.1~1 Class, 5A/1A Secondary, 5-100A Primary, DIN Rail Mount for 3-Phase Energy Metering
The BH0.66 / BZCT10 series through-core current transformers are compact, DIN-rail mountable sensors designed for three-phase energy metering and power monitoring. With 1-turn pass-through design, they offer precision grades from 0.1 to 1 class, supporting primary currents 5A~100A with 1A or 5A secondary outputs.
✨ Key Features
✅ High Precision Grades: 0.1/0.2/0.5/0.5S/1 Class options for accurate metering, ideal for commercial and industrial applications.
✅ Complete Ratios: Primary currents: 5A/10A/15A/20A/30A/50A/75A/100A; Secondary outputs: 1A or 5A.
✅ Premium Materials: High-permeability amorphous nanocrystalline core (up to 120°C continuous operation) + pure copper enameled wire winding for low loss and durability.
✅ Safe & Reliable: UL94-V0 flame-retardant housing, 3kV/1min withstand voltage, insulation resistance >1000MΩ.
✅ Easy Installation: 1-turn through-core design, DIN rail mount (35mm standard slot), 2*2.5mm² low-resistance leads with tube pin connectors.
✅ Wide Operating Range: 50/60Hz frequency, -30℃~+70℃ working temperature, suitable for indoor distribution cabinets.
📊 Technical Specifications
| Parameter | Details |
|---|---|
| Model Series | BH0.66 / BZCT10ACHL |
| Type | Through-Core Current Transformer |
| Rated Primary Current | 5A/10A/15A/20A/30A/50A/75A/100A |
| Rated Secondary Current | 1A / 5A |
| Accuracy Class | 0.1 / 0.2 / 0.5 / 0.5S / 1 Class |
| Rated Load | 0VA / 0.5VA |
| Core Material | Amorphous Nanocrystalline |
| Winding Material | Enameled Copper Wire |
| Housing Material | Flame-Retardant ABS (UL94-V0) |
| Insulation Resistance | >1000MΩ |
| Withstand Voltage | 3kV/50Hz/1min |
| Operating Temperature | -30℃ ~ +70℃ |
| Installation | Through-Core + DIN Rail Mount |
| Application | 3-Phase Energy Metering, Power Monitoring, Grid Renovation |
🛠️ Applications
- Residential and commercial 3-phase energy metering
- Power distribution cabinet current monitoring
- Industrial control and automation systems
- Smart grid renovation and load monitoring projects
Care Instructions
Care Instructions

