Epoxy Resin Cast Indoor type CTs

     
 
11KV RESIN CAST METERING CT   11KV RESIN CAST METERING CT
     
 
11KV RESIN CAST METERING CT   11KV RESIN CAST METERING PROTECTION CT

   
11KV RESIN CAST METERING PROTECTION CT   22KV RESIN CAST METERING PROTECTION CT  
         
     
33KV RESIN CAST METERING PROTECTION FOR CT   33KV RESIN CAST METERING CT  
         
(A) Features # Low cost, maintenance free , Pedestal mounting.
# Sleek and compact design as per Panel requirement.
# Any Outline size as per customer requirement as per design requirement of OCB/VCB panels.
# Stable accuracy over life time.
# Ratio transformation attained through secondary winding.
# Very low value of Partial Discharge for long life of CT's.
# Non hygroscopic
(B) Application # Precision Revenue metering, control indication.
# Relay Protection device.
(C) Specification   
SL. Particulars   11 KV 15 KV 22 KV 33 KV
1 Highest System Voltage KV 12 17 24 36
2 Power Freq dry/wet withstand voltage KVp
rms
28 36 50 70
3 Lightning Impulse Voltage
1.2/50 µs
KVp 75 110 125 170
4 Partial Discharge Measuring Voltage/ Limit. KV/pC 7.6KV / 50pC 10.8KV / 50pC 15.2KV / 50pC 23KV / 50pC
5 Transformation ratio Amp Ratio in multiples upto 5000
6 Rated Primary Current Amp Upto 5000 Amp
7 Rated Secondary Current Amp 0.577, 1.0, 5.0
8 Short Time Current Rating KA Upto 25 KA for 1 or 3 sec
9 No of cores no Upto 5 core
10 Output Burden VA Upto 60 VA at 0.8 pf lag
11 Accuracy class -  
  Metering - 0.2, 0.2s, 0.5, 0.5s, 1.0, 3.0 & 5.0
  Protection - 5P, 10P,  PS, 5PR, 10PR
12 Instrument Security Factor (I.S.F/FS) for Metering Core   5 or 10 , FS10 is sufficient for modern meters
13 Accuracy Limit Factor (ALF) for Protection Core only   10 , 15, 20.
 
ISO 9001 : 2008 Certified Company