ASR 21.5

PB_ASR21.5_online-zoom.jpg

Description

Tube current transformer for primary nominal currents from 50 A up to 600 A, secondary nominal current 5 A or 1 A (optional 2 A), accuracy class 0.5 and 1.

Technical Data

Therm. nominal continuous current I_cth: 1,0 x I_N
Therm. nominal short-time current I_th: 60 x I_N, 1 sec.
Max. operating voltage U_m: 0.72 kV
Isolation test voltage: 3 kV, U_eff, 50 Hz, 1 min.
Nominal rated frequency: 50...60 Hz
Isolation class: E

Round conductor: 21,2 mm
Width: 49,9 mm
Height: 70 mm
Depth: 55 mm