1With clamp shaped structure, no need to disconnect the tested circuit, convenient to carry, easy and fast to operation. 2Using CT technology, circular large diameter structure design, with small size, and easy to install, to meet your different needs. 3The clamp current sensor is a high accuracy AC current transformer, which can be used with confidence. 4The product is made of high quality ABS and silicon steel core material, durable, safe and reliable. It is more accurate to test large current. 5This product is widely used in industrial control devices, oscilloscopes, harmonic analyzers, cable fault testers, etc. Item Type: Current TransformerModel: ETCR050AMaterial: ABS+silicon steel coreApplication: Industrial control devices, oscilloscopes, harmonic analyzers, double clamp ground resistance testers, cable fault testers, power quality analyzer Transformer Model Input Current Output Signal Frequency Secondary Load Accuracy Class ETCR050A 300A 1A 40Hz~1kHz 2.5VA 0.5 500A 1A 2.5VA 0.5 600A 1A 2.5VA 0.5 300A 5A 5VA 0.5 500A 5A 5VA 0.5 600A 5A 5VA 0.5 Input Current Range: 0A~600AOutput Signal: 1A, 5AJaw Size: Approx. 50mm / 2inSafety Grade: CAT600VEnvironmental Protection: RoHSWorking Temperature: -15C~60