The STEINEL L 331 S is an anthracite outdoor wall light with a round opal diffuser and a cross-shaped protective guard. A compact infrared sensor beneath the housing switches the light in response to movement. Article 053093 is the guarded version, rather than the L 330 S without the grille.
Warm light for entrances and outside walls
The integrated LED system consumes 8.4 W and provides a total luminaire output of 711 lm. Its 3000 K colour temperature produces warm-white light. There is no separate bulb or matching socket to choose, although the light source itself is not replaceable. This is worth considering when selecting a fixture for a permanent installation.
STEINEL specifies outdoor wall mounting at front doors, around buildings and beside courtyards or driveways. Overall dimensions are 270 mm high, 253 mm wide and 124 mm deep. Compare these measurements with the available wall area and the swing of any nearby door before deciding where to install it.
Plan the sensor around the approach route
The sensor covers a 360° angle, but detection distance depends on the direction of movement. Reach is up to 7 m across the detection zone and up to 2 m when approaching directly. The recommended mounting height is 2 m. Positioning should therefore take account of the route people actually follow, not simply their distance from the entrance.
The twilight threshold adjusts from 2 to 1000 lx, while the lighting duration can be set from 5 seconds to 15 minutes. Four programmes, a 10% basic-light function and soft light start provide different operating choices. Several lights can be interconnected by cable.
A guarded, technical design
The plastic housing and PMMA diffuser are specified with IP44 protection and IK10 impact resistance. An anthracite rim and prominent cross give the circular body an industrial character. Connection requires a 220–240 V supply, with mains installation carried out professionally.
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