|
|
|
Post type current transformers
IWB SERIES
|
Download catalog
Download Type Test
|
|
Indoor
3.6-7.2-12-17.5-24 KV
Primary current from 50 to 4000 A
Cast-resin insulated
|
 |
Current transformers vacuum moulded in self-extinguishing epoxy resin for the measurement of AC currents up to 4000A.
|
|
Technical data
|
|
Rated insulation level
|
|
3.6/20/60kV to 24/70/170 kV
|
|
|
primary current Ipn
|
|
50 to 4000A
|
|
|
|
Secondary current Isn
|
|
5 or 1 A
|
|
|
|
|
Frequency
|
|
|
50 or 60 Hz
|
|
|
|
Rated output
|
|
1 to 100 VA
|
|
|
|
Accuracy class
|
|
0.2 - 0.2S -0.5-0.5S-1-3-5P-10P-ClX
|
|
Security factor
|
|
5 to 20
|
|
Accuracy limit factor
|
5-10-15-20-30
|
|
|
|
|
Short-time thermal current Ith
|
80 to 1000 Ipn
|
|
|
Dynamic current Idyn
|
|
2.5 Ith
|
|
|
|
|
Insulation class
|
|
E
|
|
|
|
|
Continues thermal current
|
|
1.2 to 1.5Ipn and 2Ipn
|
|
|
|
Altitude
|
|
1000 m
|
|
|
|
Ambient temperature
|
|
-5C° to + 40 C°
-25C° to + 40 C°
-40C° to + 40 C°
|
|
|
|
Standards
|
|
|
IEC60044-1, IEC61869-2,IEC60044-6
|
|
|
|
|
Other characteristics on request
|
|
Secondary current Isn
|
|
|
0.005 to 10 A
|
|
|
|
Multi ratio
|
|
|
By secondary tapping
|
|
|
|
Multiple cores
|
|
Up to 5 separate cores
|
|
|
|
Continuous thermal current
|
|
1.2 to 1.5Ipn and 2Ipn
|
|
|
|
Ambient temperature
|
|
Up to + 110C°
|
|
|
|
Standard
|
|
|
ANSI C57.13, CAN13- AS1675
|
|
|
|
 |
|
|
*This document is the property of Pars Shar and maybe changed without prior notice*
Tolerances: ± 1mm
|
