The Hammond 166E25 is a versatile, economical single primary transformer designed for a range of applications. It features a 115 VAC, 60 Hz primary and open style, channel bracket, two-hole chassis mount construction with minimum 6" long leads. The dual bobbin design eliminates the need for electrostatic shielding, and the Class B insulation provides enhanced protection. This transformer is UL listed and CSA certified, ensuring reliable performance and safety. It is ideal for applications requiring a compact and efficient power solution.