Use of 3SU1500 plastic holder / 3SU1550 metal holder
Are the holder versions in plastic (3SU1500) and metal (3SU1550) compatible with all design versions of the actuators and indicators?
Holders made of plastic (3SU1500) can only be attached to actuators and indicators made of plastic (3SU100) or plastic with metal front ring (3SU103).
The holders made of metal (3SU1550) can be attached to all versions of actuators and indicators.
Metal holders are automatically grounded by their fastening screw, but a grounding stud can also be fitted.
Observe whether a 3-slot holder or a 4-slot holder is required.