AT3 2-38/42-4 BLOCK Auto-Transformers

General Data Rated input voltage 3 x 200/208 ‑ 3 x 690 Vac Rated output voltage 3 x 400 Vac Rated power 2000 ‑ 250000 VA Insulation class F Maximum ambient temperature 40 °C Efficiency up to 98 % Degree of protection IP 00 Optionally adapted package for higher degrees of protection Advantages Low weight and small size (compared to isolating transformers) Very high efficiency Inverse operation possible Patented assembly technology to lower heat losses Very good corrosion protection and low noise thanks to BLOCKIMPEX vacuum impregnation Fixed, contact protected screw connection terminals complying with UVV BGV A3 Multifunctional fixing rails with 12 oval slots Enlarged fixing rail for easy installation from above Integrated crane eyes Standards Autotransformerto: VDE 0570 Teil 2‑13, DIN EN 61558‑2‑13, EN 61558‑2‑13, IEC 61558‑2‑13, UL 5085‑1/‑2, CSA 22.2 No.66 Approvals UL 5085‑1/‑2, CSA 22.2 No.66 Autotransformer for adjustment of the voltage on the input and output sides with no requirement for electrical isolation.