Ferraz Shawmut NSB 2101-3F04 Selector Switches are manual control devices from Ferraz Shawmut used to select a circuit or function within a control panel. The listing identifies the product by model NSB 2101-3F04 and indicates quantities are sold per unit (EA). Designed for electrical installations that require straightforward, operator-initiated switching of control circuits, these NSB 2101-3F04 switches provide a simple interface for selecting among circuit paths or functions in panel assemblies.
