Siemens 4AM6142-8DD40-0FA0 Single Phase Transformer

Siemens 4AM6142-8DD40-0FA0 is a 1.6 kVA single‑phase SITAS control/isolation transformer designed for 50/60 Hz operation. It offers a selectable primary from 550 to 208 V (nominal options include 550, 525, 500, 480, 460, 440, 415, 400, 380, 230, 208 V) and a dual 115 V secondary (2 × 115 V) to feed two circuits or a split control circuit. The unit has a continuous rating of 1.6 kVA with a short-term vector power of 7.3 kVA and a short-circuit voltage of about 2.1% (shielding winding II0/0). It uses screw/flat‑type terminals and is mounted with screws; IP00; insulation class B; temperature rise 40°C. It complies with EN 61558‑2‑1, -2‑2, -2‑4 and is UL/CSA‑recognized as a control/isolation transformer. Typical applications include isolated power for control circuits in industrial equipment and panel boards, instrumentation circuits requiring electrical isolation, and safety‑critical control power in automation environments.