Here it is… From the outside, it’s a plain old Chevron (well, that one was N.I.B. but that’s just a tiny detail):
However when you open it up:
^ yes I realized it’s upside-down, sorry for that. Here’s what it says on the label:
SIMPLEX
3 AMP 125 VAC 124VDC .5 AMP
TYPE 4251-17
The switch also looks a bit different (forgot to take a picture of the inside of the pull) and has four pigtails, one pair labeled “OPEN” and the other “CLOSE” on a sticker… One of them fell off:
Here’s the backbox, type 4299-3:
