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

Polymer rod post insulator IPRP-8-220/950-А is to be used for insulation and protection of current-carrying units in electric devices, electricity distribution plants, switch substations with 220 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-8-220/950-А is a modern alternative to traditional ceramic and porcelain insulators.

Rated voltage, kV 220
Full lightning impulse testing voltage, not less, kV 950
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) 8
Deflection under bending load impact, mm, not more (in the entire operating temperature range) 25
Leakage distance, cm 610
Weight, kg 62

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