Telco · Amplified Photoelectric Systems
Telco LT / LR Remote Sensors
LT / LR
Transmitter (LT) and receiver (LR) sensor heads resistant to harsh environments, working with PA, MPA and PAB amplifiers.
Key Features
- Sensing of up to 70 m in thru-beam mode and up to 5 m in diffuse proximity mode (depending on amplifier)
- 100, 101, 110 and 120 series; Ø10 mm, M12 × 1, 9.5 × 11.5 mm and Ø12.7 mm snap-in housing options
- Polycarbonate, polyester, ABS, nickel-plated brass or stainless steel (AISI 316) housing
- Connection with 5 m / 15 m cable or M8 / M12 connector
- Infrared (880 nm) light source, IP 67 protection class, operating temperature –25 … +65 °C
- Optional sensor monitoring LED and ATEX-approved models
Related Products

Telco PA Series Photoelectric Amplifier
Single-channel photoelectric amplifier for remote sensor systems.
Telco MPA Series Multiplex Amplifier
2-, 4- and 8-channel multiplex photoelectric amplifier.

Telco PAB Series Bus Amplifier
Bus-based amplifier system expandable to up to 30 channels with 10 amplifier modules.