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Technical data of rod post insulators

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  IPRP-10-35/190 IPRP-10-110/450 IPRP-10-110/480 IPRP-10-110/480-01 IPRP-12,5-110-480-02 IPRP-10-110/480-04 IPRP-10 (20)-110/550 IPRP-12,5-150/650 IPRP-8-220/950- IPRP-8-220/950-B IPRP-8-220/1050-C
Rated voltage, kV 35 110 110 110 110 110 110 150 220 220 220
Maximum operating voltage, kV (U) 40.5 126 126 126 126 126 126 172 252 252 252
Full lightning impulse testing voltage,kV 190 450 480 480 480 480 550 650 950 950 1050
At voltage 1,1 U/V3 kV radio interference level, dB (microvolt), not more 54 (500) 54 (500) 54 (500) 54 (500) 54 (500) 54 (500) 54 (500) 54 (500) 54 (500) 54 (500) 54 (500)
Short-term power-line frequency testing voltage, kV:
a. five minute testing under dry condition
b. on minute testing under rain
95

80
230 230 230 230 230 230 300 440 440 440
50% value of power frequency flashover test in contaminated and moistened state /under specific surface conductivity of polluted layer mkCm/, kV 42/20 110/10 110/10 110/10 110/10 110/10 110/10 150/20 220/10 220/10 220/10
Minimal bending failure, kN, not less (in the entire operating temperature range) 10 10 10 10 12.5 10 10 12.5 8 8 8
Minimal breaking torque, kNm, not less (in the entire operating temperature range) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 2.0 2.0 2.0 2.0
Full torque during operation, kN/m 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
Maximal service bending load at the upper flange of insulator, kN 1.2 1.5 1.5 1.5 1.5 1.5 1.5 1.5 2.0 2.0 2.0
Deflection under bending load impact, mm, not more (in the entire operating temperature range) 5 10 10 10 10 10 10 15 25 25 25
Torsion angle under torque, degree, not more (in the entire operating temperature range) 2 2 2 2 2 2 2 1 1 1 1
Leakage distance, cm 116 280 280 290 290 280 315 425 610 654 674
Weight, kg 11 15 16 17 18 15 25 45 62 66 70
Operating temperature range, °C −60 –
+50
−60 –
+50
−60 –
+50
−60 –
+50
−60 –
+50
−60 –
+50
−60 –
+50
−60 –
+50
−60 –
+50
−60 –
+50
−60 –
+50
Overall height, mm 500 1050 1050 1100 1100 1050 1220 1600 2100 2200 2300
Mounting dimensions, mm
Upper flange
Lower flange
160x160
160x160
Ø 127
Ø 178
120x120
160x160
160x160
160x160
160x160
180x180
100x100
160x160
Ø 127
Ø 200
160×160
180×180
Ø 127
Ø 225
160×160
180×180
Ø 127
Ø 254
Mounting bores, mm
Upper flange
Lower flange
4 Ø 18
4 Ø 18
4 M16
4 Ø 18
4 M12
4 Ø 18
4 Ø 18
4 Ø 18
4 Ø 18
4 Ø 18
4 M10
4 Ø 18
4 M16
4 Ø 18
4 Ø 18
4 Ø 18
4 M16
4 Ø 18
4 Ø 18
4 Ø 18
4 M16
4 Ø 18

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