SCT-013-000 50A Non-Invasive AC Current Sensor – Split-Core Transformer (50A/1V Output)

he SCT-013-000 50A Non-Invasive AC Current Sensor offers a simple, safe, and effective solution for measuring alternating current (AC) without breaking the circuit. With split-core technology, it allows for easy clamp-on installation around a live or neutral wire. This model features a built-in burden resistor, providing a voltage output of 0–1V corresponding to 0–50A of current.

Engineered for accuracy and ease of use, it is ideal for AC current monitoring in home energy systems, industrial equipment, DIY electronics, and smart metering projects.

Features

• Non-invasive split-core design – Easy installation with no circuit interruption

• Rated for 50A AC – Suitable for medium-load current monitoring

• Built-in burden resistor – Provides a 1V analog output (50A = 1V)

• Φ3.5mm 3-core plug – Standard audio-style output jack for simple interfacing

• High accuracy – Non-linearity within ±3%

• Compact and lightweight – Perfect for embedded and portable applications

• UL94-V0 flame-retardant plastic body – Safe and durable

• Model: SCT-013-000

• Color: Blue

• Input Current Range: 0–50A AC

• Output Voltage: 0–1V AC (via internal sampling resistor)

• Non-Linearity: ±3% (10%–120% of rated input)

• Core Opening Size: 13mm × 13mm

• Lead Wire: 1.5m with standard 3.5mm plug

• Cable Type: Φ3.5mm 3-core shielded

• Operating Temperature: -25°C to +70°C

• Dimensions: 57mm x 36mm x 21mm

• Weight: ~55g

Applications

• Energy monitoring for homes, factories, and offices

• Over-current protection for air compressors, HVAC systems, and motors

• Smart metering systems (Arduino, ESP32, etc.)

• Lighting system monitoring to ensure performance and efficiency

• Battery and power supply testing

• DIY electronics projects and maker platforms

• Educational kits for current measurement labs

• Portable field diagnostics