Baumer IFRM 12P33G1/S14L inductive sensor. It is a proximity switch used for the non-contact detection of metal objects.
Model: IFRM 12P33G1/S14L
Type: Inductive proximity switch
Manufacturer: Baumer
Features: PNP output, 12-30 V DC power supply, 10 mm sensing distance, and short-circuit and reverse polarity protection.