SICK GE6-P4511S55 Through-beam photoelectric sensor. SICK GE6-P4511S55 is a archive in the G6 family. SICK identifies this exact configuration as manufacturer article 2080494. The official technical record specifies Functional principle: Through-beam photoelectric sensor; Sensing range max.: 0 m ... 15 m; Sensing range: 0 m ... 10 m; Polarisation filter: No; Light source: PinPoint LED 1); Type of light: Visible red light. The linked SICK data sheet is specific to GE6-P4511S55.