KEYENCE PR-M51P3 self-contained miniature photoelectric sensor from the PR-M/F Series.

The PR-M51P3 is a mini-slim through-beam (transmissive) photoelectric sensor designed for industrial object detection. It features PNP outputs, a rated detection distance of 1.2 m, and a red 650 nm LED light source.

Technical specifications:

• Manufacturer: KEYENCE
• Model / MPN: PR-M51P3
• Series: PR-M/F
• Sensor type: Through-beam / transmissive photoelectric sensor
• Shape: Mini-slim
• Output: PNP
• Number of control outputs: 2
• Output 1: Dark-ON
• Output 2: Light-ON
• Detection distance: 1.2 m
• Light source: Red LED, 650 nm
• Response time, Output 1: 0.5 ms
• Response time, Output 2: ON to OFF 2.7 ms; OFF to ON 0.5 ms
• Supply voltage: 10–30 VDC
• Control output: 30 VDC max., 50 mA max.
• Enclosure rating: IP67 / IP69K
• Sensor housing: SUS316L stainless steel
• Operating temperature: -25 to +55 °C
• Connection on this unit: Attached cable with 3-pin connector as pictured

This listing includes one sensor element with the attached cable/connector shown in the photos. As a through-beam sensor, an appropriate opposing transmitter/receiver element is required for normal through-beam operation and is not included.

Used, fully functional.