A3SA-5303,开关硬件 DISPLAY SCREEN UNIT
A3SA-5305,按钮开关 LIGHTED PUSH BUTTON
A3SA-5600,开关硬件 CLEAR LENS CAP.
A3SA-5601,开关硬件 COLOR LENS-WHITE
A3SA-5602,开关硬件 COLOR LENS-RED
A3SA-5603,开关硬件 COLOR LENS-GREEN
A3SA-5604,开关硬件 COLOR LENS-BLUE
A3SA-5605,开关硬件 COLOR LENS-YELLOW
