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This page explains how Current Sensor (CT) is classified within Electrical Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
A device that measures electrical current by converting it to a proportional, isolated signal for monitoring and analysis.
Technical details and manufacturing context for Current Sensor (CT)
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Rated Current | 5–5000 A | Select based on primary conductor currentIEC 61869-1 |
| Accuracy Class | 0.5–1.0 | Lower class for metering, higher for protectionIEC 61869-2 |
| Output Signal | 0–5 V AC | Proportional to primary current |
| Insulation Voltage | 0.72–36 kV | System voltage ratingIEC 61869-1 |
| Rated Frequency | 50–60 Hz | Matching grid frequency |
| Thermal Short-Circuit Current | 20–100 kA | Withstands for 1sIEC 61869-2 |
| Dynamic Short-Circuit Current | 50–250 kA | Peak withstandIEC 61869-2 |
| Operating Temperature | -40–85 °C | Ambient rangeIEC 61869-1 |
| Degree of Protection | IP54–IP65 | For outdoor useIEC 60529 |
| Rated Burden | 2.5–30 VA | Maximum connected loadIEC 61869-2 |
| Weight | 1–50 kg | Depends on voltage class |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is essential for the following industrial systems and equipment:
| pressure: | Atmospheric to 1.5 bar (typical for non-submersible applications) |
| other spec: | Current Range: 0-100A (typical), Frequency Range: 50/60Hz to 400Hz, Isolation Voltage: 2.5kV RMS (min), Accuracy: ±1% (typical) |
| temperature: | -40°C to +85°C (operating), -55°C to +105°C (storage) |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
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A practical evidence checklist for RFQ preparation and supplier evaluation.
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The output signal is typically a low-voltage AC signal proportional to the primary current, often in the range of 0–5 V AC. The exact value depends on the model and must be verified with the manufacturer.
Select the rated current based on the maximum current expected in the primary conductor. The reference range is 5–5000 A, but the specific value must be chosen according to the application and confirmed with the supplier.
Relevant standards include IEC 61869-1 (general requirements), IEC 61869-2 (current transformers), and IEC 60529 (degrees of protection). These standards are references for verification, not proof of certification.
Yes, but the accuracy class differs: lower classes (e.g., 0.5) are for metering, while higher classes (e.g., 1.0) are for protection. The required class depends on the application and must be specified.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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