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

Polymer rod post insulator IPRP-12,5-170/750 is to be used for insulation and protection of current-carrying units in electric devices, electricity distribution plants, switch substations with 170 kV voltage as rotary insulating element, supporting conductor lines and «knives» of outside plant disconnectors, and as a part of bus rod support.
Polymer insulator IPRP-12,5-170/750 is a modern alternative to traditional ceramic and porcelain insulators.

Rated voltage, kV 170
Full lightning impulse testing voltage, not less, kV 750
At voltage 1,1 Uнр/V3 kV radio interference level, dB (microvolt), not more 54(500)
Minimal bending failure, kN, not less (in the entire operating temperature range) 12,5
Deflection under bending load impact, mm, not more (in the entire operating temperature range) 20
Leakage distance, cm 480
Weight, kg 55

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