Insulator for sale catalogue

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

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