The WAGO 855-4105/400-101 Current Transformer is a highly efficient device for current measurement, capable of handling a primary current of 400 A and providing a secondary output of 5 A. Weighing only 263 g, it features a compact design with dimensions of 27.5 x 28 mm, making it ideal for applications with limited space. With a voltage rating of 720 V, this transformer ensures reliable and precise performance in a variety of electrical systems, enhancing monitoring and control capabilities.