4AT3912-8DD40-0FA0 SIEMENS

The 4AT3912-8DD40-0FA0 is a SITAS single-phase transformer designed for a wide range of industrial applications. It boasts a primary voltage that can be adjusted to accommodate various power supply standards, ranging from 550V down to 208V, ensuring compatibility across different regions. The secondary voltage is configured as 2x115V, delivering a current of 34.78A to 69.56A depending on the specific application requirements. Operating efficiently within a frequency range of 50 to 60 Hz, this transformer is suitable for diverse electrical systems. Its vector group is II0 / 0, and it features a shield winding for enhanced safety and reduced electromagnetic interference. The transformer is designed to operate in ambient temperatures up to 55°C and is insulated to class H standards. Encased in an IP00 enclosure, it requires additional protection for use in harsh environments. It utilizes screw connections for secure and reliable electrical terminations and is designed for screw-based installation. Compliant with EN 61558-2-1, -2-2, and -2-4 standards, it is also UL/CSA-recognized as both a control circuit and isolation transformer.