GL10-N4212 SICK 15 m Photoelectric Retro-Reflective Sensor with NPN Output and M12 Connector
Overview
The GL10-N4212 is a retro-reflective photoelectric sensor (photoelectric retro-reflective sensor) from SICK’s G10 series. It supports a sensing range of up to 15 m, with NPN output and M12 4-pin connectivity.
The sensor is ideal for conveyor systems, logistics, packaging lines, and industrial automation applications that demand stable detection, fast response times, and high durability under continuous operation.
Product overview – GL10-N4212 Photoelectric Retro-Reflective Sensor
The GL10-N4212 operates based on the retro-reflective photoelectric principle with dual lens technology. This design enhances signal stability and allows a short minimum distance to the reflector. The sensor utilizes a visible red PinPoint LED with a wavelength of 625 nm, enabling fast and precise alignment during installation.
It supports selectable Light ON / Dark ON operating modes and features an NPN transistor output with a switching frequency of up to 1,000 Hz, making it well-suited for high-speed conveyor applications. The GL10-N4212 version is equipped with an M12 4-pin male connector, which provides greater convenience for wiring, maintenance, and replacement in automated systems.
The sensor offers an IP67 protection rating, an ABS/PMMA housing, and is supplied with a P250 reflector and BEF-G10DC01 mounting bracket. These features ensure reliable performance in harsh industrial environments with dust, vibration, and high humidity.
Key Specifications:
- Maximum Sensing Range: 0.08 m – 15 m (with PL80A reflector) / 0.08 m – 12 m (with P250 reflector)
- Output: NPN, selectable Light ON / Dark ON
- Protection Rating: IP67
- Operating Temperature: -30°C … +60°C
- Electrical Connection: M12 male connector, 4-pin
Technical specifications – GL10-N4212
| Parameter |
Value |
| Model |
GL10-N4212 |
| Part Number |
1065891 |
| Operating Principle |
Retro-reflective (Dual Lens technology) |
| Dimensions (W x H x D) |
20 x 50 x 39 mm |
| Sensing Range (max.) |
0.08 – 15 m (PL80A) / 0.08 – 12 m (P250) |
| Sensing Range (standard) |
0.15 – 12 m (PL80A) / 0.15 – 10 m (P250) |
| Light Source |
PinPoint LED, red, 625 nm |
| Light Spot Size |
Ø 58 mm at 5 m |
| Supply Voltage |
10 – 30 VDC |
| Current Consumption |
20 mA |
| Output Type |
NPN |
| Output Function |
Light ON / Dark ON, selectable |
| Max. Load Current |
≤ 100 mA |
| Response Time |
≤ 500 µs |
| Switching Frequency |
1,000 Hz |
| Sensitivity Adjustment |
270° potentiometer |
| Electrical Connection |
M12 male connector, 4-pin |
| Housing Material |
ABS/PMMA |
| Weight |
35 g |
| Polarizing Filter |
Yes |
| Protection Rating |
IP67 |
| Operating Temperature |
-30 °C … +60 °C |
| Storage Temperature |
-40 °C … +70 °C |
| EMC Compliance |
EN 60947-5-2 |
| Certifications |
EU, UK, cULus, ACMA, China RoHS, Moroccan |
Source: Official SICK datasheet for GL10-N4212 (Part No. 1065891). Download datasheet link
Industrial applications of the GL10-N4212
- Packaging & Food Industry: Reliable detection on high-speed conveyors thanks to 1,000 Hz switching frequency.
- Logistics & Warehousing: Long-range monitoring of gates, pallets, and automated guided vehicles up to 15 m.
- Automotive Manufacturing: Presence detection of parts on assembly lines, including transparent materials when combined with the polarizing filter.
- Pharmaceutical Industry: Conveyor monitoring in cleanroom environments with IP67 washdown capability.
- Printing & Paper: Edge detection and monitoring of thin materials in high-speed printing machines.
Comparison: GL10-N4212 vs. GL10G-N1251 (G10 Series)
| Criteria |
GL10-N4212 |
GL10G-N1251 |
| Product Line |
G10 Standard |
G10 Glass Detection |
| Operating Principle |
Retro-reflective |
Retro-reflective for transparent materials |
| Primary Application |
Standard objects |
Transparent objects (glass, PET bottles, films) |
| Max. Sensing Range |
15 m (PL80A) / 12 m (P250) |
12 m (PL80A) / 10 m (P250) |
| Light Source |
PinPoint LED red, 625 nm |
PinPoint LED red, 625 nm |
| Connection |
M12 4-pin |
Cable |
| Output Function |
Light/Dark ON selectable |
Light/Dark ON selectable |
Conclusion
- Choose the GL10-N4212 for standard object detection (cartons, pallets, machine parts, etc.) in conveyors and warehouses.
- Choose the GL10G-N1251 when reliable detection of transparent materials such as glass, PET bottles, or packaging films is required.
Frequently Asked Questions (FAQ)
Q1. What is the operating principle of the GL10-N4212?
It is a retro-reflective photoelectric sensor that uses a reflector to return the emitted light to the receiver for object detection.
Q2. What is the maximum sensing range of the GL10-N4212?
Up to 15 m with the PL80A reflector and 12 m with the standard P250 reflector.
Q3. What type of output does the GL10-N4212 have?
NPN transistor output with selectable Light ON / Dark ON function.
Q4. Is the GL10-N4212 suitable for harsh industrial environments?
Yes. With an IP67 protection rating, wide operating temperature range (-30 °C to +60 °C), and robust construction, it performs reliably in dusty, humid, and vibrating conditions.
Q5. What is the difference between GL10-N4212 and GL10G-N1251?
The GL10-N4212 is optimized for standard opaque objects, while the GL10G-N1251 is specially designed for reliable detection of transparent materials such as glass, PET bottles, and films.
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