SODIAL(R) SCT 013-030 3.5mm Output Non-invasive AC Current Transformer Blue Product Name: Non-invasive AC Current Transformer Model: SCT 013-030; Core Material: Ferrite; Working Temperature: -25-70C External Material: Plastic; Rated Input Current: 30A Opening Size: 13 x 13mm/ 0.5 x 0.5"(L*W); Output Plug: 3.5mm; Dielectric Strength: 6000V AC/1min Total Size: 5.7 x 3.2 x 2.1cm/ 2.2" x 1.3" x 0.8"(L*W*T); Cable Length: 1m/ 39.4"