3-point with spring return with configurable spring return period continuous feedback signal

SB5.3 - cable type 5+PE, cable diameter 7.5 mm / cable type 6, cable diameter 7.4 mm
SB5.3 - cable type 5+PE, cable diameter 7.5 mm / cable type 6, cable diameter 7.4 mm

For explanation of the function of switches "a" and "b" see: 3-point standard operation.