Built-in amplifier photoelectric sensors

PZ series

This model has been discontinued.

Recommended Replaceable Products: Square Reflective Cable Type, NPN - PZ-G41N

Square Reflective Cable Type, NPN PZ-41

PZ-41 - Square Reflective Cable Type, NPN

  • UL Recognition(us)





Diffuse-reflective model (long range), straight model

Detecting distance

60 cm (20 × 20 cm white mat paper)

Light source

Infrared LED

Detectable object

Transparent and opaque materials


20% max. of detecting distance

Sensitivity adjustment

1-turn trimmer (240°)

Response time

1 ms max. (2 ms in alternate frequency mode)

Operation mode

LIGHT-ON/DARK-ON (switch-selectable)

Indicator lamp

Output: red LED, stable operation: green LED


Control output

Maximum NPN open-collector output: 100 mA or less (40 V or less)

Stability output

Maximum NPN open-collector output: 50 mA or less (40 V or less)

Protection circuit

Reversed polarity, overcurrent protection, surge absorber


Power voltage

12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less

Current consumption

30 mA or less

Environmental resistance

Enclosure rating


Ambient light

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

Ambient temperature

-20 to +55 °C -4 to 131 °F (No freezing)

Relative humidity

35 to 85 % RH

Vibration resistance

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

Case material

Fiberglass reinforced plastic


Approx. 75 g (including 2-m 6.6' cable)

Other Models