SCT-013-030 Non-invasive AC Current Sensor Clamp Sensor 30A
The SCT‑013‑030 is a non-invasive AC current sensor based on current transformer (CT) technology. It conveniently clamps around a single live or neutral wire—no cutting or wiring modification needed—to measure AC current up to 30 A. The sensor outputs a small AC signal, making it suitable for DIY energy monitoring or over-current protection systems
₹ 345
₹499
499
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| Made In : | India |
Here’s an image of the SCT‑013‑030 Non‑Invasive AC Current Sensor Clamp (30 A)—a compact and easy-to-use current transformer clamp designed for safe, no-cut installation around a single conductor.
Description & Key Features
What It Is
The SCT‑013‑030 is a non-invasive AC current sensor based on current transformer (CT) technology. It conveniently clamps around a single live or neutral wire—no cutting or wiring modification needed—to measure AC current up to 30 A. The sensor outputs a small AC signal, making it suitable for DIY energy monitoring or over-current protection systems.
Design Highlights
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Clamp/core: Ferrite core housed in durable plastic, split-clamp design allows for quick and safe installation.
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Opening size: Approximately 13 × 13 mm.
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Output connector: Standard 3.5 mm audio jack, easy to interface with controllers like Arduino or Raspberry Pi.
Specifications Summary
| Feature | Specification |
|---|---|
| Current Range | 0–30 A AC |
| Output | ~0–1 V AC at 30 A (voltage type with burden resistor) |
| Non-linearity (Accuracy) | ±1% (robust models) to ±3% (typical) within 10–120% load |
| Dielectric Strength | 6000 V AC for 1 minute |
| Operating Temp Range | –25 °C to +70 °C (some specs extend to +85 °C) |
| Cable Length | ≈1 to 1.5 m |
| Material Certifications | Meets UL94‑V0 flame-retardant standards |
These specifications make it a safe, reliable, and versatile tool for both hobbyist and light industrial usage.
Typical Applications
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DIY energy meters and smart home setups
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Over-current protection for motors, compressors, and lighting systems
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AC monitoring in appliances and machinery
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Educational electronics and robotics projects
Usage Tips
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Clamp only one conductor (either live or neutral). Passing both cables through the sensor cancels the reading.
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Be aware: sensors have limited bandwidth, making them less effective for capturing fast transients like inrush currents. Best suited for regular 50/60 Hz AC.
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For consistent readings with microcontrollers, a proper burden resistor and biasing circuit are essential. This helps convert the AC output into a measurable form.
Quick Overview
The SCT‑013‑030 Clamp Sensor is a safe and effective way to measure AC current up to 30 A without modifying existing wiring. It delivers a low-voltage output, easy to interface with microcontrollers, and is well-suited for hobbyist and educational applications—especially energy monitoring or protective control systems.
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