Back to: Plug-In Current Transformer for Tariffs

EASK 31.5

PB_EASK31.5_online-zoom.jpg

Description

Plug-in current transformer for primary nominal currents from 75 A up to 750 A, secondary nominal current 5 A or 1 A, accuracy class 0.2s, 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

Bus bar 1: 30 x 10 mm
Bus bar 2: 2 x 20 x 10 mm
Round conductor: 28 mm
Width: 61 mm
Height: 78,5 mm
Depth: 68 mm