The Furnas Electric Co. R1187A Up-Off-Down Drum Switch is a manual three-position control device with Up, Off, and Down settings for simple, local operation of machinery. This drum switch is designed for panel- or enclosure-mounted control in industrial equipment, offering straightforward directional or position control via a hand-operated lever. The R1187A model name identifies the specific Furnas drum switch family this unit belongs to, suitable for integration into control circuits that require a compact, three-position switch component.
