SCT-013-050 50A Non-Invasive Split-Core AC Current Sensor: 2026 Industrial Guide to Clamp-On Energy Monitoring & Predictive Maintenance

11. září 2026

Pre-shipment Inspection Record: This document details the visual and technical inspection of the SCT-013-050 50A Non-Invasive Split-Core AC Current Sensor: 2026 Industrial Guide to Clamp-On Energy Monitoring & Predictive Maintenance. All product photos and testing videos below are original materials captured first-hand by the Koeed technical team in our warehouse prior to dispatch.

SCT-013-050 50A Non-Invasive Split-Core Current Sensor

The 2026 engineering standard for clamp-on AC current sensing, built for smart factories, data centers, and building energy management systems.

View SCT-013-050 50A sensor specification and pricing →

1. Strategic Overview: The SCT-013 in the 2026 Industrial Landscape

As industrial automation accelerates toward full IT/OT convergence, the ability to measure electrical load without interrupting the circuit has become essential for energy managers and system integrators. The SCT-013 series, manufactured by YHDC, has become the de-facto open-architecture standard for non-invasive AC current measurement across smart grids, sub-metering, and condition monitoring.

The SCT-013-050 variant is rated for 50A AC primary current, making it ideal for branch circuit monitoring in panels, HVAC compressor loops, pump motors, and single-phase machine feeds. Its split-core current transformer design allows engineers to retrofit legacy electrical infrastructure in minutes with no cable disconnection, no shutdown window, and zero risk to downstream loads.

2. SCT-013-050 Specifications and Integration

Rated primary current: 50A AC
Split-core aperture: 13 × 13 mm
Output: current mode, commonly paired with a burden resistor for 0–1V ADC input
Dielectric strength: 6000V AC for 1 minute
Working temperature: -25 to +70°C
Applications: PLCs, ESP32, Arduino, Raspberry Pi, SCADA, and cloud energy loggers

3. ROI and Predictive Maintenance Benefits

Retrofitting the SCT-013-050 removes the need for scheduled shutdowns and licensed electrician labor for each metering point. Plant engineers can clamp the sensor around a live conductor in less than ten minutes and stream live amperage data to edge gateways. Continuous load visibility typically uncovers 8–15% wasted energy in lighting, idle motors, and phantom loads, while trend analysis detects motor bearing wear, compressor short-cycling, and gradual load drift before failures occur.

Pro Tip: Pair the SCT-013-050 with a 33Ω burden resistor to produce a clean 0–1V output scaled to 0–50A for standard analog input cards.

4. Comparison: SCT-013 Series vs Legacy CTs

Parameter	SCT-013-030	SCT-013-050	Legacy Hardwired CT
Rated Primary	30A	50A	5A/1A secondary
Installation	Clamp-on	Clamp-on	Conductor opened
Accuracy	±1–3%	±1–2% calibrated	±0.5–1%
Best Use	Lighting, small loads	Branch circuits, motors, HVAC	Utility metering

5. Ordering and Deployment

Procurement teams standardizing on scalable current sensing can order the SCT-013-050 50A non-invasive AC current sensor directly from KOEED. Each unit includes the split-core CT, output lead, and connector. For panel-wide deployments, use one sensor per branch circuit and aggregate data through a central gateway.