- For currents >5A current monitors require a current transformer with secondary 1 or 5 A secondary and a rated capacity of 1.5 VA. The primary rated current must be appropriate to the max. expected current (fuse). Tube ore wound current transformers can be used.
- For primary rated currents of 60 to 500 A we recommend using AS tube current transformers, suitable for the Cu-rail of 30 x 10 mm or 2 x 20 x 10 mm or round conductor of 28 mm. - The transformers have Class 1 accuracy and a voltage resistance of up to 800 V. When ordering, please indicate desired primary and secondary rated current.