The 31NT91-7 is a single-pole double-throw (SPDT) 3-position commercial-grade Toggle Switch with (ON)-OFF-(ON) function and quick connect/solder termination. The MICRO SWITCH? NT series switch has quality construction features include a seal between the toggle lever and bushing and between the cover and case. This switch can be used where panels are subject to splashes, hose-downs or outdoor environments. The easy-start threaded bushing enables quick alignment of mounting nut to decrease the chance of cross threading.