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