Product Description
GN20 Background Suppression Diffuse Reflection Photoelectric Switch
1)Detection range: 350mm - Experience remarkable precision with an impressive 350mm detection range, ensuring reliability in varied industrial settings.
2)Operation voltage: 10-30VDC - Benefit from flexible operation with a broad voltage range of 10-30VDC, providing compatibility with numerous power supplies.
3)Visible light spot, easy to debug - Enjoy hassle-free debugging with a clearly visible light spot, facilitating rapid setup and maintenance.
4)Background suppression, not affected by black and white background - Achieve superior accuracy with advanced background suppression technology that remains unaffected by contrasting backgrounds.
5)Distance adjustment knob - Effortlessly adjust detection parameters with a user-friendly distance adjustment knob, enhancing operational convenience.
6)Detection distance up to 350mm - Maximize your detection capabilities with an outstanding distance capacity reaching up to 350mm, ideal for diverse applications.
7)The knob adjusts the distance, the output NO or NC adjustable - Tailor the device to your specific needs with adjustable distance settings and output configurations (NO or NC).
8)Difference in detection distance between white background and black background - Note the differentiated performance in varying backgrounds, ensuring optimal detection efficiency.


Product Parameters
Model |
GN20D (2)-2BPD350 |
GN20D (2)-2BND350 |
Detection distance |
5~350mm *1 |
Minimum detection distance |
5~30mm *1 |
Maximum detection distance |
5~350mm *1 |
Adjustable detection distance |
30~350mm *1 |
Black and white color difference (6%/90%) |
<18%(at 350mm) |
Distance adjustment |
5-turn knob adjustment |
Light source |
Red LED |
Spot Diameter |
Approximately 20mm at 350mm detection distance |
Angle of divergence |
Approx. 4° |
Operating voltage |
10-30VDC |
No-load current |
≤20mA |
Load current |
≤100mA |
reaction time |
<2ms |
Power-up delay |
200ms |
Output indication |
Green power indicator, red output indicator |
protection functions |
short circuit protection, power reverse polarity protection |
Operating Temperature |
-25~55ºC |
protection class |
IP67 |
Material |
Shell: ABS; Lens: PMMA |
Wiring method |
2M cable |
Accessories |
1 screwdriver, 1 metal bracket, screw nut |
2 sets |
