The A3PLE1-6L2R-00 is an illuminated pushbutton with a 2-position momentary action, extended operator, and a 24V red LED. It's the kind of button you'd see on a control panel for a start or jog function — something a lube-route guy like me hits twice a shift to kick a pump over. The extended operator means it sticks out a bit further from the panel face, so you can find it with a gloved hand without hunting.
The description on the line reads 'PB ILLUM 2POS MOM EXTND 24V RED' — that's a pushbutton, illuminated, two-position momentary, extended operator, 24-volt red LED. No compliance docs like RoHS or UL are listed in the spec record, so if your quality doc control needs a paper trail, that's something to confirm at quote time. For a panel OEM wireman, this mounts in a standard 22mm or 30mm cutout — the extended operator gives you a bit more reach through a gland plate or enclosure door.