AutomationDirect PY4-AN-3A is a tubular inductive proximity sensor with a 4 mm diameter and a 22 mm stainless steel body designed for flush mounting in tight spaces. It delivers a 1 mm nominal sensing distance, a three‑wire NPN normally open output (AN variant) from a 10–30 V DC supply, a 3 kHz switching frequency, and IP67 protection in a pigtail-connected package for rugged industrial use.
