Epoxy Resin Cast Indoor type PTs

     
 
11KV RESIN CAST INDOOR TYPE PT 3 PHASE   11KV RESIN CAST INDOOR TYPE PT 3 PHASE
     
 
11KV RESIN CAST INDOOR TYPE PT SINGLE PHASE   33KV RESIN CAST INDOOR TYPE PT 1 SINGLE PHASE
     
 
33KV RESIN CAST INDOOR TYPE PT FULLY ENCAPSULATED   11KV RESIN CAST INDOOR TYPE PT 3 PHASE


         
(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 PT's.
# Non hygroscopic
(B) Application # Precision Revenue metering, control indication.
# Relay Protection device.
(C) Specification   
SL. Particulars   11 KV 22 KV 33 KV
1 Highest System Voltage KV 12 24 36
2 Power Freq dry/wet withstand voltage KVp
rms		 28 50 70
3 Lightning Impulse Voltage
1.2/50 µs		 KVp 75 kV 125 170
4 Transformation ratio   11KV/110V-3Ph
11KV√3/110V/√3-1Ph		 22KV/110V-3Ph
22KV√3/110V/√3-1Ph		 33KV/110V-3Ph
33KV√3/110V/√3-1Ph
5 Rated Primary Voltage KV 11, 11/√3 22,22/√3 33, 33/√3 23KV / 50pC 
4 Partial Discharge Measuring Voltage/ Limits.   7.6KV / 50pC 15.2KV / 50pC
6 Rated Secondary Voltage V 63.5 & 110 
7 No of Windings no Upto 3  
8 Output Burden VA Upto 200 VA at 0.8 pf lag 
9 Accuracy class -  
  Metering - 0.2, 0.5, 1.0, 3.0  
  Protection - 3P, 6P  
10 Voltage Factor   1.2/1.25 Continuous and 1.5/1.9 for 30 seconds. 
 
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