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PTW 58

PB_PTW58_online-zoom.jpg

Description

Split-core current transformer for primary nominal currents from 250 A up to 1000 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 Sek. (bei 1000 A: 40 x I_N, 1 Sek.)
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: 50 x 80 mm
Round conductor: 50 mm
Width: 125 mm
Height: 158 mm
Depth: 58 mm