ASR 201.3 Tube current transformers

Tube current transformers for primary nominal currents from 50 A to 300 A with a nominal secondary current of 5 A or 1 A (optionally 2 A), in accuracy classes 3, 1 and 0.5.

• 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: 21 mm
• Overall width: 44 mm
• Height: 64.5 mm
• Overall depth: 30 mm