Project Description

  • Porcelain Disc Insulator: ANSI 52-4
  • Porcelain Disc Insulator: ANSI 52-4
  • Porcelain Disc Insulator: ANSI 52-4
  • Porcelain Disc Insulator: ANSI 52-4

Porcelain Disc Insulator: ANSI 52-4

Porcelain insulator includes Suspension type, Pin type, Spool type, Strain/Guy type, Line Post type and Station Post type, which meet IEC, ANSI, AS, BS, etc. standards.

Fig. No. 1 2 3 4 3 4 5 4
ANSI Class 52-1 52-2 52-3 52-4 52-5 52-6 52-9 52-10
Dimension
(mm)		 D 165 190.5 254 254 254 254 108 279.4
H 139.7 146 146 146 146 146 159 165
Creepage distance (mm) 178 210 292 292 279 279 172 279
Average flashover voltage Power frequency Dry  (kV) 60 65 80 80 80 80 60 80
Wet (kV) 30 35 50 50 50 50 30 50
Critical impulse 15x40uS wave Positive (kV) 100 115 125 125 125 125 100 125
Negative (kV) 100 115 130 130 130 130 90 130
Radio influence voltage Test voltage to ground (kV) 7.5 7.5 10 10 10 10 7.5 10
Maximum RIV at 1000kHz/uV 50 50 50 50 50 50 50 50
Power frequency puncture voltage (kV) 80 90 110 110 110 110 80 110
Electro-mechanical load (KN) 45 67 67 67 111 111 45 160
Mechanical impact strength (N.M) 5 5.5 5.5 6 7 7 5 10
Time load test value (KN) 27 44 44 44 67 67 27 107
Net weight, Each, Approx (kg) 2.5 3.6 4.6 4.9 5.5 5.5 2.26

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