Balluff BWL2222B-001-S4 Inductive Proximity Sensor

Balluff BWL2222B-001-S4 is an optical angle light barrier (BWL001F family) with a 3 mm active aperture and a stainless steel housing rated IP67, designed for precise gap or edge sensing in automation lines. It uses infrared light at 880 nm and operates from a DC supply of 10–30 V (nominal 24 V) with a PNP normally open output and a 200 mA load rating, making it suitable for DC13 applications. The unit weighs about 120 g, measures 45.4 × 83.5 × 10.7 mm, and uses an M12 4‑pin S4 connector; its optical axis offset is 22 mm in both X and Y directions, enabling angled sensing configurations. It provides a 0.5 ms switching delay with a 100 ms readiness delay and supports up to 1000 Hz switching frequency. Status indication includes a green LED for supply voltage and a yellow LED for the switching element, and it is designed to operate in ambient light up to 5000 lux, with a protection class II enclosure and reverse polarity protection. The optical surface is PMMA and the housing is corrosion‑resistant steel; electrical specs include an isolation rating of 250 V AC, an output resistance of 33 kΩ, and a capacitance rating of less than 0.5 μF. This Balluff sensor delivers reliable, non‑contact detection for edge or presence sensing in machinery and assembly lines.