ASR 21.3
Tube current transformers
Tube transformers for primary nominal currents from 100 A to 500 A with a secondary nominal current of 5 A or 1 A (optionally 2 A), in accuracy class 1.
- Therm. Nominal continuous current Icth: 1.0 x IN
- Therm. Rated short-time current Ith: 60 x IN, 1 sec.
- Max. Operating voltage Um: 0.72 kV
- Insulation test voltage: 3 kV, Ueff, 50 Hz, 1 min.
- Nominal frequency: 50 Hz
- Insulation class: E
- Round conductor: 22.8 mm
- Overall width: 49.5 mm
- Height: 65 mm
- Overall depth: 35 mm