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Technical data of station post insulators
Technical data of long rod insulators
Questionnaire
Certifications












Insulator type
Composite (polymer) post insulator
1 kV
11 kV
33-35 kV
66 kV
123-132 kV
150-170 kV
220-245 kV
330-500 kV

Conventional designation of the insulator's type contains letters and digits, which mean the following:
I - Insulator
P - Post
R - Rod
P - Polymer
10-110; 8-220 and so on - Value of mechanical bending failure in kN; voltage class, kV
450, 480 and so on - Lightning impulse testing voltage, kV
    Please, find below an example of a conventional designation of the IPRP-10-110/450 insulator
  • Value of mechanical bending failure - 10 kN;
  • Voltage class - 110 kV
  • Lightning impulse testing voltage - 450 kV
Insulator type
Polymer long rod (suspension) insulator
10 kV
36 kV
132 kV
220 kV
Insulator type
Composite (polymer) hollow insulator for a transformer
145 kV
Conventional designation of the insulator's type contains letters and digits, which mean the following:
I - Insulator
P - Polymer
H - Hollow
T - Transformer
10-145 - Value of mechanical bending failure in kN; voltage class, kV
550 - Lightning impulse testing voltage, kV
    Please, find below an example of a conventional designation of the IPHT-10-145/550 insulator
  • Value of mechanical bending failure - 10 kN;
  • Voltage class - 145 kV
  • Lightning impulse testing voltage - 550 kV

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