The TRIAD MAGNETICS part CST-1020 is a high-quality current transformer designed to provide precise measurement and protection in various electrical applications. With a 1000:1 turns ratio, this transformer effectively steps down primary current to a manageable level. Its low primary DC resistance of 40Ohm ensures minimal power loss and excellent accuracy in current sensing. Featuring a maximum primary current of 20000mA and 3-terminal PC pin through-hole connections, this current transformer is easy to install and integrate into your circuitry. Count on the CST-1020 to deliver reliable and efficient performance in any industrial or commercial setting.