The Block STE 630/4/23 is a versatile control transformer that functions as an isolation and safety transformer. It can convert an input voltage of 380 V, 400 V, or 420 V AC to an output of 230 V AC with a power rating of 630 VA. Typical applications include use in automation systems and mains power transformation, providing safe and reliable voltage control. https://elecena.pl/product/28533661/block-ste-630-4-23-control-safety-transformer-380-420v-ac-630va 2025-04-25 https://elecena.pl/product/28533661/block-ste-630-4-23-control-safety-transformer-380-420v-ac-630va 2025-05-28 https://elecena.pl/product/28533661/block-ste-630-4-23-control-safety-transformer-380-420v-ac-630va 2026-05-31 https://elecena.pl/product/28533661/block-ste-630-4-23-control-safety-transformer-380-420v-ac-630va 2026-06-23 https://elecena.pl/product/28533661/block-ste-630-4-23-control-safety-transformer-380-420v-ac-630va 2026-07-17