Manufacturer: SIEMENS
Type: Inductive proximity switch
Model: 3RG4013-3GB00

Rated operating distance: 5 mm
Switching Output: Normally open
Effective operating distance: 4.5 … 5.5 mm
Assured operating distance: 4.05 mm
Repeat accuracy: 0.15 mm
Hysteresis: 0.04 … 1.15 mm
Rated operational Current: 0.2 A
Ambient temperature: -25 … 85 °c
Length:  55 mm
Diameter: M18