The GLL170T-B432 with Sensor manufactured by Sick is an optical fibre amplifier with NPN/PNP option, IP66 protection grade and 10 to 30 VDC power supply. It has a current consumption of 100mA. It is designed for use in applications where a reliable, isolated switching signal needs to be acquired through an optical fibre link, such as in safety applications. It can be used in personnel protection and diagnostic systems, on mobile machines, and on a wide range of equipment types in hostile environments. It is suitable for use in a wide range of ambient temperatures from -20°C to 60°C.