Reliance Electric 411027-51S Control Transformer

Reliance Electric 411027-51S is a compact control transformer designed to supply isolated low-voltage power for industrial control circuits. Classified in the 411027 family, this model is described in listings as a 6-wire transformer, indicating connections for both primary and secondary windings within a single package. The 411027-51S is used to power control devices inside automation panels, such as relay coils, timer modules, and other control circuitry, while keeping the control side electrically isolated from the main power supply. Commonly encountered in panel-level installations and surplus/used-equipment inventories, this Reliance Electric transformer delivers dependable, compact control power for industrial applications where space and wiring efficiency matter. The part is widely referenced in distributor catalogs and used-equipment marketplaces under the exact designation 411027-51S, ensuring compatibility with other Reliance 411027-series components in legacy automation setups.