4AM4342-8DD40-0FB0

The Siemens model 4AM4342-8DD40-0FB0 isolation transformer is tailored for control circuit applications. This unit operates as a single-phase transformer, offering a primary nominal power of 0.315 kVA and a secondary nominal power rated at 1.12 kVA. Users can adjust the primary voltage across a range of options, including 550V, 525V, 500V, and several others down to 208V, enabling flexibility depending on the specific requirements of the setup.

The secondary outputs deliver 2 x 115V AC, with secondary current adjustable from 1.37 to 2.74A depending on attached load. This transformer accommodates frequencies from 50 Hz to 60 Hz, ensuring compatibility in diverse operational environments. The vector group configuration is designated as II0/0, highlighting its specific winding arrangement and neutral connection for optimized functioning.

Additionally, the transformer adheres to an insulation class rated B, with a temperature rise tolerance of 40. Its IP00 rating indicates that there is no protection against the ingress of dust or water, making careful placement essential. Here, standard screw or tab terminals allow for straightforward connection, and the installation method involves mounting via screws, securing the transformer to the required surface effectively.

This model complies with several significant standards in the North American market (UL/CSA) as well as EN 61558-2-1, EN 61558-2-2, and EN 61558-2-4 for European transformer standards. Its primary function is to provide electrical isolation between the control system and the power supply, ensuring safe and efficient operation.