Back to: Plug-in Current Transformer, switchable

ASK 81.4 3U

PB_ASK81.4_online-zoom.jpg

Description

Secondary change-over plug-in current transformer for primary nominal currents from 1000-750-500 A up to 1600-1000-750 A, secondary nominal current 5 A or 1 A (optional 2 A), accuracy class 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

Bus bar 1: 80 x 10 mm
Bus bar 2: 60 x 30 mm
Bus bar 3: 2 x 60 x 10 mm
Round conductor: 55 mm
Width: 120 mm
Height: 123,5 mm
Depth: 58 mm