Description
The SCT-013-010 is a split-core AC current transformer designed for non-invasive current measurement in energy monitoring, load diagnostics, and automation systems. The clamp-on design allows the sensor to be installed around an existing insulated conductor without cutting or disconnecting the wire, making it suitable for retrofitting into existing electrical installations. This voltage-output variant includes an internal burden resistor, so it outputs a direct 0–1V AC signal proportional to the primary current, eliminating the need for external signal-conditioning components .
The sensor features a 13mm × 13mm opening and a secure safety latch. The core must be fully closed during measurement, as even a small air gap can introduce significant measurement errors. The 1-meter cable terminates in a standard 3.5mm audio plug, with the tip and sleeve carrying the signal. The SCT-013-010 is suitable for individual makers building Arduino-based energy monitors for individual appliances or circuits (up to 10A), and for business purchasers seeking a cost-effective, non-invasive current sensing solution for equipment-level monitoring and energy audits.
Features
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Non-Invasive Split-Core Design: Clamps around an existing conductor without disconnecting the circuit, enabling safe retrofitting into live installations .
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Voltage Output with Internal Burden Resistor: Provides a direct 0–1V AC output proportional to primary current, ready for ADC connection without external burden components .
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10A Measurement Range: Suitable for individual appliances, lighting circuits, and small equipment monitoring .
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13mm × 13mm Opening: Accommodates typical domestic and light commercial wiring.
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1-Meter Cable with 3.5mm Plug: Standardized connector simplifies connection to breakout boards and energy monitoring shields.
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Safety Latch Mechanism: Secure closure helps maintain core alignment and measurement accuracy.
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Ferrite Core Construction: Provides stable magnetic coupling and consistent ratio across the measurement range .
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Wide Operating Temperature: Functions from -25°C to +70°C for indoor installation environments .
Technical Specifications
| Parameter | Specification (SCT-013-010) |
|---|---|
| Model | SCT-013-010 (verify against your actual unit) |
| Primary Current Range | 0–10A AC |
| Output Signal | 0–1V AC (voltage output) |
| Sensitivity | 100 mV per ampere |
| Burden Resistor | Internal (no external resistor required) |
| Opening Size | 13mm × 13mm |
| Cable Length | 1 meter |
| Connector | 3.5mm audio plug |
| Non-linearity | ±3% (10%–120% of rated input) |
| Operating Temperature | -25°C to +70°C |
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