Siemens 250 Va Control Transformer 4AX3002-3ED03-0B

Siemens 250 Va Control Transformer 4AX3002-3ED03-0B They are devices designed to ensure safe operation of measuring devices with 24VAC supply voltage for electrical panels. They are also referred to as control and isolation transformers. It prevents the reflection of magnetic noises to the load in high voltage networks. Therefore, the use of isolated transformer is preferred.