91-0001 switch  20a-250 vac 20a-125vac 91-0001n 10a-250vac on-off on  screw terminal McGill  toggle switch; 1-pole, spdt, 125/250 volt ac, 20/10 amp 910001 910001n

toggle: switch type - bat-handle toggle, circuit configuration - spdt, circuit operation - on-off-on (maint), amps/125vac - 20a/125v, amps/250vac - 10a/250v, amps/vdc - 20a/12vdc, horsepower - 1hp/125-250vac, voltage - 250vac, terminal type - screw, application - general purpose, toggle material - metal, toggle length - 9/16", mounting - bushing, 15/32"od x 15/32"l