SOLID CORE POST INSULATOR TYPE 220 kV
 
 
 
     
 
SL. No.
 PARAMETERS
Unit
  
1 TYPE
   SOLID CORE
2 VOLTAGE CLASS
 kV 220
3 HEIGHT OF INSULATOR
 mm 2300 ± 3.5
4 TOTAL CREEPAGE DISTANCE
 mm 6125
5
WITHSTAND TEST VOLTAGE
    
DRY
 kV 460
WET
 kV 460
IMPULSE
 kvp 1050
6
MECHANICAL STRENGTH
    
CANTILEVER STRENGTH
 kN 8
TENSILE STRENGTH
 kN 130
TORSION STRENGTH
 kN 4
COMPRESSION STRENGTH
 kN 260
7
PITCH CIRCLE DIAMETER
    
TOP
 mm 127
BOTTOM
 mm 225
8 SPECIFICATION   IS: 2544/ IS: 5350/ IEC: 60273
 
  Manufacturing Capabilities  
   
   
 
 
  1. Specific creepage distance from 16 mm /kV to 40 mm / kV
2. Height ranges from 254 mm to 3650 mm
3. Cantilever/Bending strengths from
 
  a) 2 kN to 16 kN for 33 kV to 132 kV.
b) 2 kN to 10 kN for 220 kV.
c) 2 kN to 8 kN for 400 kV.
  4. Top PCD varying from 50 mm to 127 mm.
5. Bottom PCD varying from 50 mm to 300 mm.
6. For specific requirement, contact: CBU / Marketing, Malleshwaram, Bangalore....560012