SKAN-A-MATIC T40300 Photoelectric Amplifier Relay is a plug-in, 11‑pin octagonal amplifier/relay controller designed for use with Clarostat photoelectric sensor systems in industrial sensing applications. It functions as the amplifier stage for a photoelectric detector and provides a relay output to drive downstream equipment, enabling reliable optical sensing in automation setups. The model is available in mains variants including 115 VAC and 230 VAC, and listings show a version that includes a 25 VDC power supply; the T40300 series is documented as discontinued by the manufacturer.
