The Hammond 166P10 is an economical single primary filament transformer, ideal for applications requiring a reliable and efficient power source. Its open style, channel bracket, and two-hole chassis mount design offer versatility in installation. The transformer features a dual bobbin design, eliminating the need for electrostatic shielding, and utilizes Class B insulation for enhanced protection. UL listed and CSA certified, the 166P10 is suitable for a wide range of industrial and commercial applications.