Sick WLL180T-L432 Fiber Optic Sensor
Sick WLL180T-L432 Fiber Optic Sensor features rectangular housing, visible red LED light, NPN output, and 4-wire cable connection configuration. This Sick 4-wire Fiber Optic Sensor uses an LED light source with 650 nm wavelength, supports light/dark switching, and delivers up to 31.2 kHz switching frequency for industrial automation. The WLL180T-L432 is categorized under Sick Fiber Optic Sensors for structured optical detection systems.
| Brand | Sick |
| Product Type | Fiber Optic Sensor |
| Model Number | WLL180T-L432 |
Sick WLL180T-L432 Fiber Optic Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Device type | Fiber-optic sensors |
| Dimensions (W x H x D) | 10.5 mm x 34.6 mm x 71.9 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 0 m ... 20 m (Through-beam system) 2) 3) |
| Sensing range | 0 mm ... 1,400 mm, Proximity system 0 ... 18 m, Through-beam system 2) 3) |
| Type of light | Visible red light |
| Light source | LED |
| Wave length | 650 nm |
| Indication | 7-segment |
| Supply voltage | N/A |
| Current consumption | 50 mA 3) |
| Switching output | NPN |
| Switching mode | Light/dark switching |
| Response time | ≤ 16 µs, ≤ 70 µs, ≤ 250 µs, ≤ 2,000 µs, ≤ 8,000 µs |
| Switching frequency | 31.2 kHz, 7.1 kHz, 2 kHz, 250 Hz, 62.5 Hz |
| Connection type | Cable, 4-wire, 2 m |
| Housing material | Plastic, ABS/PC |
| Ambient operating temperature | –25 °C ... +55 °C |
| Ambient temperature, storage | –40 °C ... +70 °C |
| Weight | 25 g |
The WLL180T-L432 Sick 4-wire Fiber Optic Sensor is a compact rectangular sensing device designed for precise object detection in industrial automation systems. This Sick Fiber Optic Sensor operates with visible red LED light, NPN switching output, and a fixed 4-wire cable connection. The WLL180T-L432 supports configurable response times and switching frequencies, making it suitable for applications requiring controlled optical detection.
The WLL180T-L432 Sick 4-wire Fiber Optic Sensor is commonly used in conveyors, packaging lines, automated assembly systems, and inspection stations. Its long sensing capability supports both proximity and through-beam detection, while the NPN output allows direct integration with compatible PLC inputs. The selectable response times help adapt the sensor to varying process speeds in automation environments.
The Sick WLL180T-L432 Fiber Optic Sensor provides stable optical performance, defined electrical behavior, and reliable output for continuous industrial operation. With 7-segment indication, durable ABS/PC housing, and standardized cable connection, this Sick 4-wire Fiber Optic Sensor is suitable for demanding industrial applications. Its technical consistency and Sick brand reliability support dependable sensing across structured production systems.




