The 3pcs Split Core Current Transformer Clamp is designed for accurate current measurement in a variety of electrical applications. With a measurement range of 5A to 630A and ratios of 1000:1 and 2000:1, it provides precise readings with an error rate of only ±1.0%. The durable construction features a shell and silicon steel iron core, ensuring reliability and safety. Installation is simple with a buckle method, making it suitable for both professionals and DIY enthusiasts. Operating within a temperature range of -25°C to 75°C, this current transformer is perfect for a wide range of environments and applications.