PB-10869,按钮开关 Unsealed OI/2D SWITCH MOD
PB10C1T20,SENSOR THROUGH-BEAM 20M
PB10C1T20NC,SENSOR THROUGH-BEAM 20M NPN
PB10C1T20NO,SENSOR THROUGH-BEAM 20M NPN
PB10C1T20PC,SENSOR THROUGH-BEAM 20M PNP