Omron E3FB-DP21 Photoelectric Sensor

Omron E3FB-DP21 Photoelectric Sensor is a metal, diffuse-reflective photoelectric sensor used in industrial automation. It features a diffuse-reflective sensing method, a 100 mm sensing distance, and a 10 to 30 VDC power supply, with a PNP open-collector output. The E3FB-DP21 belongs to the E3FB Series and is built for durable, contactless detection in factory and process environments.

Applications include conveyor object detection, packaging presence sensing, part-position checks on assembly lines, and material handling verification. The sensor delivers reliable detection with fast response and stable PNP signaling, helping reduce false counts, improve cycle consistency, and withstand washdown and dusty conditions common in Indian industrial sites.

Omron E3FB-DP21 Photoelectric Sensor is a fixed, metal-housed diffuse-reflective unit suited for short-range detection. The Omron E3FB-DN21 offers the same 100 mm range but with an NPN output for NPN-based control circuits; the Omron E3FB-DP11 2M provides PNP output with a pre-wired 2 m cable instead of an M12 connector for direct cable installations; the Omron E3FB-RP21 is retro-reflective with MSR and a much longer sensing range when paired with a reflector. After these comparisons, the Omron E3FB-DP21 remains the M12-connector, fixed-sensitivity option for compact, metal environments.

The Omron E3FB-DP21 combines a metal M18 body, fixed sensitivity, 100 mm sensing distance and PNP output for dependable short-range detection. Omron’s reputation for industrial sensors and the E3FB Series’ IP67/IP69K protection ensure suitability for factory floors, packaging lines, and automated equipment in India, providing consistent field performance and simplified integration. The model E3FB-DP21 is specified for long service life under typical operating temperatures from −25°C to 55°C.