Omron E3Z-LL66 Photoelectric Sensor
The Omron E3Z-LL66 Photoelectric Sensor offers Distance-settable (BGS Models), 20 to 300 mm Sensing distance, NPN Output, Connector (M8, 4 pins), Red LD (655 nm), Laser Class 1, 12 to 24 VDC Power supply voltage, Light-ON/Dark-ON mode. Manufactured by Omron under the Omron Photoelectric Sensors category, this model belongs to the Omron E3Z Series.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3Z-LL66 |
Omron E3Z-LL66 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Distance-settable (BGS Models) |
| Sensing Distance | 20 to 300 mm |
| Light Source | Red LD (655 nm), Laser Class 1 |
| Power Supply Voltage | 12 to 24 VDC |
| Output Configuration | NPN |
| Connection Method | Connector (M8, 4 pins) |
| Current Consumption | 30 mA max. |
| Control Output | Load power supply voltage: 26.4 VDC max., Load current: 100 mA max., Open collector output |
| Operation Mode | Light-ON/Dark-ON |
| Response Time | Operate or reset: 1 ms max. |
| Sensitivity Adjustment | Five-turn endless adjuster |
| Indicators | Operation indicator (orange), Stability indicator (green) |
| Ambient Illumination | Incandescent lamp: 3,000 lx max. Sunlight: 10,000 lx max. |
| Ambient Temperature Range | Operating: −10 to 55°C, Storage: −25 to 70°C (with no icing or condensation) |
| Ambient Humidity Range | Operating: 35% to 85%, Storage: 35% to 95% (with no icing or condensation) |
| Insulation Resistance | 20 MΩ min. at 500 VDC |
| Dielectric Strength | 1,000 VAC, 50/60 Hz for 1 min |
| Vibration Resistance | Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions |
| Shock Resistance | Destruction: 500 m/s2 3 times each in X, Y, and Z directions |
| Protection Circuits | Reversed power supply polarity protection, Output short-circuit protection, Mutual interference prevention, and Reversed output polarity protection |
| Degree Of Protection | IP67 (IEC 60529) |
| Material | PBT (polybutylene terephthalate), Modified polyarylate resin |
| Weight | Approx. 20 g |
The Omron E3Z-LL66 Photoelectric Sensor, part of the reliable E3Z Series, delivers precise laser-based sensing for short to mid-range detection tasks in industrial automation environments. With a 20–300 mm detection range on white targets and up to 160 mm on black surfaces, it ensures consistent performance across different material colors. Operating at 12 to 24 VDC, the E3Z-LL66 uses a Red LD (655 nm) laser classified as Class 1 for safety compliance under JIS, IEC, and FDA standards. It offers an NPN output configuration, a quick 1 ms response time, and an M8 4-pin connector that simplifies wiring for compact automation panels. With IP67 protection and built-in circuits for reverse polarity, short-circuit, and output protection, this sensor combines accuracy with durability for reliable field performance.
In packaging systems, high-speed conveyors, and automated inspection lines, the Omron E3Z-LL66 Photoelectric Sensor provides dependable distance detection and object verification where precision is critical. Its laser beam offers enhanced focus and visibility, ensuring minimal false detection even under strong ambient light up to 10,000 lx. Machine builders in India use this model to optimize component alignment, object counting, and small-part inspection in space-limited setups. With its compact body, adjustable sensitivity via a five-turn endless adjuster, and stable operation indicator, it delivers accurate sensing results and reduces maintenance downtime.
Manufactured by Omron Corporation—a global leader in sensing and control technology—the E3Z-LL66 reflects the brand’s commitment to reliability and performance. Each unit is built in ISO-certified facilities and rigorously tested for insulation resistance (20 MΩ min at 500 VDC) and dielectric strength (1,000 VAC for 1 min). Backed by Omron Automation India, this model ensures superior after-sales support, easy integration, and long-term service life. Engineers and OEMs prefer it for consistent performance, compact size, and compatibility with standard automation systems used in Indian industries.
Within the Omron E3Z Series, engineers can choose related models to match different wiring or output configurations. For PNP output with an M8 connector, the Omron E3Z-LL86 is ideal, while applications requiring a pre-wired 2 m cable can opt for the Omron E3Z-LL81 2M. All models share the same laser-based distance-settable sensing principle, compact housing, and IP67 protection, ensuring compatibility and easy substitution across different automation setups. They also integrate seamlessly with Omron Relays, SMPS units, and PLC controllers to deliver coordinated performance in production lines and inspection systems.
The Omron E3Z-LL66 Compact Laser Photoelectric Sensor combines precise laser detection, durable housing, and reliable NPN output for industrial automation. Its 20–300 mm adjustable range, fast response, and environmental resistance make it a trusted solution for manufacturing units focused on efficiency and accuracy. Engineers across India rely on the E3Z-LL66 for stable detection, minimal maintenance, and easy integration. Backed by Omron’s global service and support network, this sensor continues to be a preferred choice for precision-based automation across multiple industries.
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