CR5210 DC Current Sensing Transducers are designed to provide a DC signal which is proportional to a DC sensed current. These devices are designed for direct current only, targeting them towards general and daily applications. The ranges 2 to 20 Amp solid core versions, utilize an advanced Magnetic Modulator Technology. The ranges grater than 20Amps solid core version utilize Hall Effect Technology. All split core versions utilize Hall Effect Technology.