The ABB X4100PSF1 is a reliable control circuit transformer designed for demanding industrial settings. This 100 VA, single-phase unit supports a range of primary voltages—including 460/230/208, 480/240, and 440/220/200 volts—and provides secondary voltages of 115/24, 120/25, or 110/23 volts. It features built-in fuse blocks on both the primary and secondary sides, compatible with type CC fuses, ensuring added protection and ease of maintenance. Known among industry pros as a solid and straightforward solution, the X4100PSF1 delivers consistent performance without any fuss. You can find this transformer conveniently available through BSP Automation, making it a go-to choice for your control circuit needs.