11kv composite polymer pin insulator specifications will record the insulator service conditions, insulator size and insulator materials.

The service conditions in 11kv composite polymer pin insulator specifications
◆ Maximum Ambient Air Temperature C : 50℃
◆ Minimum Ambient Air Temperature C : -40℃
◆ Average daily ambient Air Temperature C : 40
◆ Relative humidity (%) : 10 to 100
◆ Average rainfall per annum (mm) : 1150
◆ Maximum altitude above mean sea level – Mtr : 1000
◆ Isoceraunic level (Days/Year) : 30 (i.e. Average number of Thunderstorm)
◆ Maximum wind pressure (Kg/Sq. meters) : 200

The system particulars in 11kv composite polymer pin insulator specifications
◆ Nominal system voltage KV: 11kv
◆ Highest System voltage KV: 12kv
◆ Normal Frequency (Hz): 50
◆ Maximum Frequency (Hz): 60
◆ Minimum Frequency (Hz): 47
◆ Wet power frequency withstand voltage KV: 50
◆ Dry lighting Impulse withstand voltage KV: Positive-129, Negative-135
◆ Minimum creepage distance (mm): 320
◆ Min. bending load (KN): 5

11kv composite polymer pin insulator specifications talk about the insulator scope:
The specification covers design, manufacture, testing, inspect and packaging and marking of composite insulators for using in the 11kv distribution power lines

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