Encased Measurement Current Transformers (EM Series) (Refer to Guide for Selection for selection help)
-
Tough & robust being made from high impact
flame retardant materials and
can be mounted directly on busbars operating at temperature of 105°C - Clear terminal cover with sealing facility as standards for all frame sizes
- Choice of mounting arrangements - foot or busbar
- Choice of terminations - direct clamp of cable or cable lug
- Choice of cable direction with knockouts provided in terminal shrouds
- Clip-on mounting feet and busbar clamps available on request at no extra charge
Performance Data
Temperature Range
-20°C to +70°C
Insulation Class
B
Dielectric Strength
2.5 kV/min
Nominal Frequency
50Hz / 60Hz
Nominal Strength (A.C. primary)
660V
Degree of Protection
IP40
Rated Short Circuit Thermal Current (Ith)
60 X rated primary current for 1 second
Rated Dynamic Current (Idyn)
2.55 X Ith