The CST-1005 Current Transformer by TRIAD MAGNETICS. This reliable and efficient transformer is designed to provide a current ratio of 1000:1, making it ideal for a variety of applications. With a primary DC resistance of 40Ohm and a primary current rating of 5000mA, this transformer ensures accurate and precise measurements. The CST-1005 features convenient three-terminal, PC pin thru-hole connections, allowing for easy installation. Trust TRIAD MAGNETICS for high-quality and reliable current transformers.