Here is a used Square D relay, class 8501 Type X, Series A, model 8501-XO40.

photo of the item

 (sold out)

List price is about $192.

Specifics:

  • brand: Square D
  • part number: 8501 XO40
  • country of origin: U.S.A.

Condition: Used. The replaceable labeling placard may have been written on.