The Thalheimer ESS 104 is a variable transformer designed to operate at 1 x 230 V with a capacity of 1000 VA and a current rating of 4 A. Its key features include adjustable voltage control, making it ideal for precise power regulation in various electrical applications. Common uses include laboratory testing, equipment prototyping, and managing power supplies for sensitive devices. https://elecena.pl/product/29500761/thalheimer-ess-104-variac-variable-autotransformer-230v-1000va-4a 2025-11-11 https://elecena.pl/product/29500761/thalheimer-ess-104-variac-variable-autotransformer-230v-1000va-4a 2026-09-09