Back to: Split Core Current Transformers

PTW 812

PB_PTW812_online-zoom.jpg

Description

Description:

Split-core current transformer for primary nominal currents from 250 A up to 1500 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

Bus bar 1: 80 x 120 mm
Round conductor: 80 mm
Width: 155 mm
Height: mm
Depth: 58 mm