B20-501-A-1 is a 20A, 277VAC, 50/60Hz, 1P toggle snap switch with a silver-plated brass contact. This snap switch is rated UL, CSA, and TüV approved. It has an electrical life of 10,000 operations, and it is available in a variety of colors to match the décor of any room. The toggle switch is a great choice for controlling a variety of devices in residential, commercial, and professional applications.