Keyence LR-W70C 4-pin Type Photoelectric Sensor
The LR-W70C is a Keyence 4-pin Type Photoelectric Sensor with 30 to 70 mm detecting distance. Manufactured by Keyence, this Photoelectric Sensor features 30 to 70 mm detecting distance, White LED light source, and 10 to 30 VDC power supply. It includes M12 connector 4-pin type, approx. 1.6 × 2.9 mm spot diameter at 50 mm, OFF/ON delay and one-shot timer modes, IP65/IP67 enclosure rating (IEC60529), current consumption up to 60 mA at 24 VDC, and approx. 75 g weight.
| Brand | Keyence |
| Product Type | Photoelectric Sensor |
| Model Number | LR-W70C |
Keyence LR-W70C 4-pin Type Photoelectric Sensor - Technical Specifications
| Specification | Value |
|---|---|
| Type | M12 connector 4-pin type |
| Detecting distance | 30 to 70 mm |
| Min. spot diameter | Approx. 1.6 x 2.9mm at 50 mm |
| Light source | White LED |
| Timer | OFF/ON delay/OFF delay/One-shot |
| Response time | 1-Spot Mode: 200 µs, 1 ms, 10 ms, 100 ms, 500 ms selectable, 2-Spot Mode, Difference Monitoring: 500 µs, 2.5 ms, 20 ms, 200 ms, 999 ms selectable, 2-Spot Mode, 2-Point Matching: 400 µs, 2 ms, 20 ms, 200 ms, 999 ms selectable*1 |
| Control output | NPN open collector/PNP open collector selectable, 30 VDC or less, 50 mA or less, remaining voltage: 2 V or less, N.O./N.C. selectable |
| Power voltage | 10 to 30 VDC, including 10% ripple (P-P), Class 2 or LPS |
| Current consumption | 60 mA or less (without load) at 24 VDC; 110 mA or less (without load) at 12 VDC)*4 |
| Enclosure rating | IP65/IP67 (IEC60529) |
| Ambient temperature | -20 to +50 °C (No freezing) |
| "Relative humidity " | 35 to 85 % RH (No condensation) |
| "Vibration resistance " | 10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions |
| "Shock resistance " | 1,000 m/s2, 6 times in each of the X, Y, and Z directions |
| Material | Case: Zinc die cast (Nickel chrome plating), Indicator cover: PPSU, Buttons: PES, Lens cover and display: PMMA (scratch-resistant coating), Connector ring: PMP, Connector socket: PEI |
| Weight | Approx. 75 g |
The LR-W70C Keyence 4-pin Type Photoelectric Sensor is designed for object detection in industrial automation systems. It operates with a 30 to 70 mm detecting distance, uses a White LED light source, and supports 10 to 30 VDC power voltage. The sensor is built with an M12 connector 4-pin type and offers IP65/IP67 protection according to IEC60529. The LR-W70C is applied in automated inspection and material handling processes requiring stable optical detection.
In industrial applications, the LR-W70C Keyence 4-pin Type Photoelectric Sensor is used in conveyors, packaging lines, assembly stations, and sorting systems. The compact sensing spot of approximately 1.6 × 2.9 mm at 50 mm enables precise detection of small components. Timer functions including OFF delay, ON delay, and one-shot support controlled switching in automated environments.
The LR-W70C operates within defined electrical limits, drawing up to 60 mA at 24 VDC and maintaining protection ratings of IP65/IP67. With structured electrical specifications and compact construction, it aligns with industrial automation requirements. As part of the Keyence photoelectric sensor portfolio, this model supports consistent detection performance across manufacturing operations.
