Self-contained Photoelectric Sensor

PR-G series

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Rectangular Thrubeam Cable Type 30 m PR-G51P

PR-G51P - Rectangular Thrubeam Cable Type 30 m

*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.

Data Sheet (PDF)


CAD Data

360°view (3D PDF)

  • CE Marking
  • Diversey










Cable connection

2 m cable

Detecting distance

30 m 98.43'

Number of control outputs

2 (Dark-ON +Light ON)*1

Output operation

Output 1


Output 2


Response time

1 ms

Sensitivity adjustment

One-turn trimmer (230°)

Spot diameter

Light source

4 elements, Red LED (631 nm)

Light interference prevention function

Indicator lamp

Transmitter: power supply indicator (green)
Receiver: output indicator (yellow),
Stable operation indicator (green)

Control output

PNP open collector
30 VDC or less, 100 mA or less
Residual voltage: 1.2 V or less at less than 10 mA, 2 V or less at 10 to 100 mA

Stop emission input

Non-voltage input
Input time ON: 1 ms or more,
OFF: 20 ms or more

Protection circuit

Protection against reverse power connection, power supply surge, output overcurrent, output surge, and reverse output connection


Power voltage

10 to 30 VDC, including Ripple (P-P) 10 %

Power consumption

Transmitter: 450 mW max.
(15 mA max. at 24 V, 15 mA max. at 12 V)
Receiver: 360 mW max.
(12 mA max. at 24 V, 15 mA max. at 12 V)

Environmental resistance

Enclosure rating

IP68 (IEC60529), IP69K (DIN40050-9),
4X, 6P, 13 (NEMA250)*3

Insulation resistance

20 MΩ or more (500 VDC)

Ambient light

Incandescent lamp: 5,000 lux or less, Sunlight: 20,000 lux or less

Ambient temperature

-20 to +70 °C -4 to 158 °F (No freezing)*4

Storage temperature

-20 to +70 °C -4 to 158 °F

Relative humidity

35 to 85 % RH (No condensation)

Withstand voltage

1,000 VAC, 50/60 Hz, 1 min

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions

Shock resistance

1,000 m/s2, 6 times in each of the X, Y, and Z directions


Case: SUS 316L,
Indicator cover: PES,
7-segment display cover/Lens cover: PMMA (scratch-resistant coating)
M18 nut: Brass (Nickel plating),
Lock washer: Steel (Chrome plating)


Instruction manual


Approx. 160 g

*1 For the threaded mount type sensors, the outputs are 1 NPN output and 1 PNP output.
*2 Output 2 is not available on the threaded mount type or M8 3-pin type.
*3 For the connector type, the enclosure rating varies depending on the cable that is used.
*4 When the ambient temperature is 60 °C 140 °F or higher, the device should be powered with no more than 24 VDC and 50 mA.

Data Sheet (PDF) Other Models