The STI MiniSafe-B FlexSafe 4300B-2 MS43-B2-AC1-W Light Curtain Controller is a safety control module that interfaces STI's MiniSafe-B/FlexSafe light curtains with machine-control outputs to stop equipment when the sensing field is breached. It operates from 115 VAC (±15%), consumes about 23 VA, and runs at 50/60 Hz with a response time under 70 ms. The enclosure is rated NEMA 13/IP64, and the unit supports a sensing range of 1–30 ft. This model is identified as 4300B-2, MS43-B2-AC1-W (MS43 CNTLR,B2,AC1-W), and is designed for use in industrial safety applications with STI light curtains.
