4AP2142-8HA20-2XA0 SIEMENS

The 4AP2142-8HA20-2XA0 autotransformer from Siemens is a three-phase unit designed for industrial applications requiring voltage adjustment. With a rated power of 5 kVA, it efficiently converts voltage levels while maintaining a compact footprint. The primary voltage can be configured for 480V, 460V, 440V, 415V, or 380V, offering versatility in different power systems. The secondary voltage is fixed at 400V, delivering a current of 7.217A. Operating at frequencies of 50 or 60 Hz, this autotransformer is suitable for a wide range of electrical environments. Its vector group is YNa0 with a shield winding, ensuring stable and reliable performance. The transformer is designed for an ambient temperature of up to 50°C and insulation class B, guaranteeing safe operation under moderate heat conditions. It features an IP00 protection rating, indicating that it is not protected against water or solid objects, and utilizes screw/tab connections for easy installation. Compliant with EN 61558-2-13 standards and UL/CSA recognized, this autotransformer provides a secure and standardized solution for voltage transformation needs.