Visolux LK 21 / L 21 -RL 20/RLK 20 Photoelectric Sensor Pair
The Visolux LK 21 / L 21 -RL 20/RLK 20 is a rugged, high-performance through-beam photoelectric sensor pair consisting of an emitter (L21) and receiver (LK21). Engineered for precise object detection over long distances, it delivers dependable operation in industrial automation systems with harsh environmental conditions.
Manufacturer: Visolux
Type: Photoelectric Emitter (L21) and Receiver (LK21) Pair “ Through-Beam Sensing
Model: LK 21 / L 21 -RL 20/RLK 20
Ref. Code: F797936
COMAS Part No.: 0421.129.993.005
Technical Information
- Sensing Mode: Through-beam
- Range: Up to 8¯m
- Voltage: 110/220¯VAC (±), sometimes 10“30¯VDC
- Output: SPDT Relay (12¯V AC/DC min to 240¯VAC max)
- Light Source: IRED (Infrared LED)
- Protection Rating: IP65
- Dimensions: 98 x 26 x 65 mm












