Back to: Tube Current Transformer for Tariffs

EASR 22.3

PB_ASR22.3_online-zoom.jpg

Description

Tube current transformer for primary nominal currents from 100 A up to 600 A, secondary nominal current 5 A or 1 A, accuracy class 0.2, 0.5s and 0.5, PTB Braunschweig certificated for tariff application.

Technical Data

Therm. nominal continuous current I_cth: 1,2 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: 22,5 mm
Width: 61 mm
Height: 78,5 mm
Depth: 35 mm