ABB Relion 620 Series Installation Manuals page 41

1MRS757641 E
620 series
Installation Manual
B
A040183 V2 EN
Figure 24: Dimensions of the lens sensor
A 3.5 mm
B 10 mm
C ∅ 9.5 mm
D 19 mm
2. Fit the lens sensor into the hole and fasten it with a self-tapping M3 screw.
Alternatively, the lens sensor can be fastened with a cable tie. To do this, secure
the cable tie to a suitable point of attachment on the cubicle wall and wrap the
cable tie tightly around the sensor.
A040182 V1 EN
Figure 25: Mounting the lens sensor
3. Make sure that the cable tie lies in the groove of the sensor to prevent it from
blocking the light.
Section 4
Mounting
D
33