BWPK Series


  • Slim body with fresnel lends (W30xT10XH140mm)
  • Wide range of sensing distance (long mode: 0.1~3m, short mode: 0.05~1m)
  • Mutual interference prevention (Frequency Switching Funchion)
  • Light ON/Dark ON switching mode
Model BWPK25-05/BWPK25-05P
Sensing type Transmitted beam type
Sensing distance Long mode 0.1 to 3m
Short mode 0.05 to 1m
Sensing target Opaque materials of min. Ø 35mm
Optical axis pitch 25mm
Number of optical axes 5pcs
Sensing width 100mm
Power supply 12-24VDC ± 10% (Ripple:P-P: Max. 10%)
Protection circuit Built in
Current consumption Emitter: Max, 60mA, Receiver: Max. 60mA
Control output

NPN open collector output - Load current: Max. 150mA (Max. 30VDC),

                                               Residual voltage:  Max. 1V

PNP open collector putput - Lead current: Max. 150mA,

                                               Output voltage: Min.

                                               (Power supply-2.5)V 

Operation mode Switching of Light ON/ Dark ON
Short-circuit protection Built-in
Response time Max. 30ms
Light source Infrared LED (850nm modulated)
Interference protection INterference protection by transmission frequency selection
External picking input

Non-contact or contact input

  • NPN open collector output: Lighting (0-2V), Light out (5-30V or open)
  • PNP open collector output: Lighting (4-30V), Light out (0-3V or open)

Ambient illumination

Sunlight: Max. 10000↓x, Incandescent lamp: Max.3000↓x
Ambient temperature -10 to +55ºC, Storage: -20 to +60ºC
Ambient humidity 35 to 85%RH, Storage: 35 to 85%RH
Noise strength

The square wave noise by the noise simulator 

(Voltage:±240V, Period: 10ms, Pulse width: 1μs)

Dielectric strength 1000VAC 50/60Hz for 1 minute
Insulation resistance Min. 20MΩ (at 500VDC megger)
Vibration 1.5mm amplitude at frequency of 10 to 55Hz in each of X, Y, Z directions for 2 hours
Shock 500m/s² (50G) in X, Y, Z directions for 3 times
Protection IP40 (IEC standard)
Material Case: PC/ABS Lnes: PMMA

Emitter: Ø4.0mm, 3P, 2m/Receiver: Ø4.0mm, 4P, 2m

(AWG 22, Core wire diameter: 0.08mm, No. of core wire:60, Insulator out diameter: Ø1.2mm)

Accessory Flat bracket 2 pcs, L-shaped bracket 2pcs, Protection bracket 2pcs
Unit weight Approx. 0.25kg 

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