The IDEC SA2E-PN3C is a polarised retro-reflective photoelectric sensor designed for high-speed detection with a rapid 0.5ms response time. It's particularly suitable for use in cold storage warehouses, ensuring consistent performance in low-temperature environments. The sensor features an NPN output and is equipped with a red LED for easy status monitoring. Additionally, it includes built-in reverse-polarity protection to prevent damage from incorrect wiring and utilizes an M8 connector for straightforward connectivity.