5A Split Core Current Transformer – 0.333V Output (Miniature Clip-On)
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Description
The miniature 5A split core current transformer is designed for fast, safe, and non-intrusive current measurement. Its clip on split core design allows installation without disconnecting existing circuits, making it ideal for field use and retrofit applications.
Engineered for use on the secondary side of existing 5A CTs or low-current systems (≤5A), this compact CT provides accurate measurement for power quality analysis, energy monitoring, and metering applications.
Suitable for integration with MIRO PQ45 and PQ45-1k power quality analysers, delivering reliable performance in demanding industrial and utility environments.
Key Features
| Part Number | To be used with |
| 1AC5-BS | MIRO PQ45, TxM30x Series |
| Part Number | Rated Current | Output Signal |
| 1AC5-BS | 5A | 0.333V (330mV) |
Technical Information
| Parameter | Specification |
|---|---|
| Rated Primary Current | 5A |
| Rated Secondary Output | 0.333V |
| Ratio Error (at rated input) | ±0.5% |
| Phase Error (at rated input) | ≤30 minutes |
| Accuracy Class | Class 0.5 (IEC 61869-2) |
| Maximum Working Current | 100A continuous |
| Temperature Coefficient | 40 ppm |
| Working Frequency | 50Hz – 5kHz |
| Linearity | 0.5% (at 0.5 to 1.2 × rated current) |
| Secondary Burden | 200Ω |
| Power Frequency Withstand Voltage | 4000V / 1 min (1mA) |
| Insulation Resistance | ≥100MΩ @ 500V DC |
| Safety Rating | CAT III 600V (IEC/UL 61010-1) |
| Operating Temperature | -40°C to +75°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | ≤95% |
| Atmospheric Pressure | 70 – 106 kPa |
| Polarity | White = S1, Black = S2 |
| Case Material | Black, UL94-V0 flame retardant |
| Secondary Output Cable | 1.5 ± 0.05 m, stripped & tinned (8–10 mm) |
| Environmental Compliance | RoHS compliant |
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