Tanaka Electric
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TR-A series open and close current transformer, 180 degrees open and close freely, specifically designed for indoor use. It can be quickly installed and disassembled without power failure or line interruption. Utilizing the principle of electromagnetic induction, the measured source is isolated from personnel and equipment, ensuring high safety levels. This series offers various apertures and specifications to meet diverse installation needs.
Ideal for rural power grid reconstruction projects, online environmental monitoring, smart fire-fighting power consumption, low-voltage power distribution systems, smart power consumption systems, electricity measurement, power quality analysis, electrical equipment signal collection, and small current grounding systems.
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Operation Temperature | -40ºC~+70ºC | Relative Humidity | ≤90% |
| Voltage Level | 0.4/0.66/0.72KV | Linear Range | 5%~120% |
| Rated Input Current | 0~1500A | Rated Frequency | 50/60Hz |
| Rated Capacity | 0~5VA | Withstand Voltage | 3KV/min |
| Accuracy Class | 0.5, 1.0 | Dielectric Strength | 1000MΩ/500V/min |
| Model | Rated Input | Rated Output | Dimensions (mm) | |||
|---|---|---|---|---|---|---|
| D | L | W | H | |||
| TRFK-10A | 0~75A | 0~50mA | 9 | 34.5 | 37.5 | 45 |
| TRFK-16A | 0~150A | 0~100mA | 15 | 40.5 | 42.5 | 52 |
| TRFK-24A | 0~250A | 0~100mA | 22.5 | 54 | 47 | 71 |
| TRSK-36-1A | 0~300A | 0~100mA | 35 | 61 | 53 | 81 |
| TRSK-50A | 10~1500A | 0~5A | 50 | 88 | 59 | 114 |













