QS18EP6LPQ8: 71987 - Banner Polarized Retroreflective Sensor
The Banner QS18EP6LPQ8 Photoelectric Sensor provides 3500 mm sensing distance using visible red LED beam with IP67 protection rating. The QS18EP6LPQ8 is a Banner Polarized Retroreflective Sensor featuring PNP discrete output, polarized sensing mode with Teach button adjustment, 10–30 V DC power supply, M12 4-pin connection, ABS rectangular housing with M18 mount, 0.6 ms response time, NEMA 4X rating, 630 nm wavelength, 100 ms power-up delay, 75 µs repeatability, PMMA lens, -20 to 70°C operation, and LED indicators. Learn more about Banner and explore the Banner Photoelectric Sensor range.

| Brand | Banner |
| Product Type | Photo sensor |
| Model Number | QS18EP6LPQ8 |
Banner Polarized Retroreflective Sensor QS18EP6LPQ8, 71987 Technical Specifications:
| Specification | Value |
|---|---|
| IP Rating | IP67 |
| Sensing Beam | Visible Red LED |
| NEMA / UL Type Rating | NEMA 4X |
| Sensing Mode (Detailed) | Polarized |
| Housing Style | Rectangular w/M18 Mount |
| Primary Housing Material | ABS |
| Laser Classification | - |
| Input Output | Discrete |
| Connection Type | M12 |
| Max Sensing Distance (mm) | 3500 |
| Outputs | PNP |
| Power Supply | 10-30 V dc |
| Adjustments | Teach Button |
| Max Op Temp (°C) | 70 |
| Min Op Temp (°C) | -20 |
| Number of Pins | 4 |
| Output response time (ms) | 0.6 |
| Small Visible Spot | - |
| Sensing Beam Wavelength | 630 |
| Delay at Power-up (ms) | 100 |
| Repeatability (µs) | 75 |
| Max Op Relative Humidity | 95% @ 50°C |
| Lens Material | PMMA |
| Barrel Diameter (mm) | 18 |
| Indicator | LEDs |
The QS18EP6LPQ8 Banner Polarized Retroreflective Sensor belongs to the QS1 series used in industrial automation systems. It delivers 3500 mm sensing distance, visible red LED light source, and IP67 protection for industrial environments. With PNP output and 10–30 V DC supply, the Banner QS18EP6LPQ8 integrates panels across Indian manufacturing facilities.
In conveyors, packaging lines, material handling systems, and assembly automation, the QS18EP6LPQ8 ensures reliable object detection using polarized retroreflective sensing. The 0.6 ms response time supports consistent switching in high-speed industrial processes. Its rectangular ABS housing with M18 mount and M12 connection enables stable installation in automation setups.
The QS18EP6LPQ8 Banner Polarized Retroreflective Sensor combines defined optical detection with IP67 and NEMA 4X environmental ratings. With specified electrical performance and stable response characteristics, this Banner model supports dependable automation operations. Banner photoelectric sensors are widely applied in Indian industrial automation environments requiring controlled discrete output and reliable sensing performance.


