nvasive AC current sensor Split Core Current Transformer Non-invasive current transformer, use this sensor clip to build your own Personal Energy Monitor . Model: SCT-013-000 Reference project: OpenEnergyMonitor Other reference project: How I Monitor Power Core Material: Ferrit External Material: Plastic Input Current:0A-100A Output Current:0-50mA Opening Size:13 x 13mm Output Plug:3.5mm Dielectric Strength:6000V AC/1min Working Temperature:-25-70°C Cable Length:1.0m Anti-flaming rate:UL94-V0 Mechanical strength:>500(20°C)