Block ST 63/69/23 is a transformer known for its control, isolation, and safety features, manufactured by Block. It operates with primary voltages of 655 V, 690 V, and 725 V AC, and provides a secondary output of 230 V AC with a power rating of 63 VA. This transformer is typically used in automation systems and serves as a power transformer suitable for a variety of applications requiring reliable voltage conversion and safety isolation. https://elecena.pl/product/28533671/block-st-63-69-23-transformer-63-va-low-inrush-ac-1x655-690-725v-230v-output 2025-04-25 https://elecena.pl/product/28533671/block-st-63-69-23-transformer-63-va-low-inrush-ac-1x655-690-725v-230v-output 2025-05-11 https://elecena.pl/product/28533671/block-st-63-69-23-transformer-63-va-low-inrush-ac-1x655-690-725v-230v-output 2025-08-14 https://elecena.pl/product/28533671/block-st-63-69-23-transformer-63-va-low-inrush-ac-1x655-690-725v-230v-output 2025-09-24 https://elecena.pl/product/28533671/block-st-63-69-23-transformer-63-va-low-inrush-ac-1x655-690-725v-230v-output 2026-07-17