Sick GLL170T-B434 Fiber Optic Sensor
Sick GLL170T-B434 Fiber Optic Sensor features rectangular housing, visible red LED light, selectable PNP output, and 10–30 VDC supply. This Sick Fiber Optic Sensor uses an LED light source with 632 nm wavelength, supports light/dark switching, and delivers up to 10 kHz switching frequency for industrial automation. The Sick Red Light Fiber Optic Sensor GLL170T-B434 operates with ≤ 250 µs response time, male M8 4-pin connector, and menu-selectable output settings, and is categorized under Sick Fiber Optic Sensors for structured detection systems.

| Brand | Sick |
| Product Type | Fiber Optic Sensor |
| Model Number | GLL170T-B434 |
Sick GLL170T-B434 Fiber Optic Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Device type | Fiber-optic sensors |
| Dimensions (W x H x D) | 10 mm x 31.7 mm x 72.5 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 0 mm ... 400 mm, Proximity system 1) 2)0 mm ... 1,320 mm, Through-beam system 3) |
| Sensing range | 0 mm ... 350 mm, Proximity system 1) 2)0 mm ... 1,100 mm, Through-beam system 3) |
| Type of light | Visible red light |
| Light source | LED |
| Wave length | 632 nm |
| Indication | Display |
| Supply voltage | 10 V DC ... 30 V DC 1) |
| Current consumption | 40 mA 3) |
| Switching output | PNPNPNSelectable via menu |
| Switching mode | Light/dark switching |
| Response time | ≤ 250 µs, Selectable via menu ≤ 50 µs |
| Switching frequency | 2 kHz10 kHz |
| Connection type | Male connector M8, 4-pin |
| Housing material | Plastic, PC/POM |
| Ambient operating temperature | –25 °C ... +55 °C |
| Ambient temperature, storage | –40 °C ... +70 °C |
| Weight | 22 g |
The GLL170T-B434 Sick Red Light Fiber Optic Sensor is a rectangular fiber optic sensing device designed for precise object detection in industrial automation systems. This Sick Fiber Optic Sensor uses visible red LED emission, selectable PNP switching output, and operates on a 10–30 V DC supply. The GLL170T-B434 supports light and dark switching modes and maintains stable sensing performance across defined proximity and through-beam ranges. It belongs to the GLL series and is used in structured industrial automation environments.
The GLL170T-B434 Sick Red Light Fiber Optic Sensor is applied in conveyors, packaging equipment, automated assembly lines, and inspection systems. Its compact housing enables installation in restricted spaces, while the fiber optic sensing principle supports reliable detection of small or fast-moving objects. The selectable response time and high switching frequency allow consistent signal handling in high-speed automation workflows.
The Sick GLL170T-B434 Fiber Optic Sensor delivers controlled optical performance, defined electrical behavior, and stable output for continuous industrial operation. With standardized M8 connectivity, visible indication, and menu-based configuration, this Sick Red Light Fiber Optic Sensor is suitable for long-term use in industrial automation systems. Its technical consistency and Sick brand reliability support dependable detection across structured production environments.




