Compact current transformer CTM7
Compact current transformer CTM7, 64/1 A, class 1, 0,5 VA
The compact current transformer is especially suitable for use in tight space conditions. With its primary 64 A it matches perfectly the 63 A with which domestic connections are usually fused.
The secondary 1 A are connected to EFR. The inputs of the EFR are preset for primary currents 60 A, changing is simple. A clip for mounting on DIN-rail is included. The transformers can be clicked together for saving space. For EFR three current transformers are required.
EN 61869-1, EN 61869-2 and IEC 61010-1
Primary nominal current
Secondary nominal current
Dimensions (w x h x d)
27,5 x 19 x 46,5 mm
Diameter of cable
max. 7,5 mm (isolated wire only)
Terminals 0,2...1,5 mm
on 35 mm DIN rail or with screws