Current feed unit has longitudinal bus bars almost completely embedded in insulating profile accessible in touch-proof manner via hole-shaped contacting openings made in insulation along long side

摘要

The current feed unit (20) has several longitudinal bus bars (21) almost completely embedded in an insulating profile (22) and accessible in a touch-proof manner via hole-shaped contacting openings (23) made in the insulation along the long side. The current feed unit is of sandwich construction with several layers and the insulating profile can be of rectangular or U-shaped cross-section.