Products IEC Designations of  U120

 

IEC class: U120B:

Reference Standards: IEC 383 -1, IEC 305, IEC 120

                                                           Toughened Glass

                                                        Suspension Insulator

                                                         Ball and Socket type                                                                        

 

Standard Profile
 
 

 

 

CTERISTICS

U 120B

U120BP

 

MECHANICAL

 

Minimum Mechanical Failing Load( KN)

120

120

Impact Strength (NM)

45

45

Residual Strength (%)

>65

>65

Mechanical Routine test Load (KN)

60

60

Thermal-Mechanical Performance (-30~+40 0C) (KN)

72-78

72-78

 

DIMENSIONS

 

Diameter ( mm )

255

280

Spacing ( mm)

146

146

Creepage distance  ( mm )

320

442

Metal fitting size

16A

16A

Galvanized Coating (gr/cm2)

0.06 (85µ)

0.06 (85µ

 

ELECTRICAL

 

Power frequency withstand voltage ( KV )-Dry , 1 minute

75

85

Power frequency withstand voltage (KV)-Wet 1 minute

40

50

Dry lightning impulse withstand voltage ( KV )

120

125

Puncture withstand voltage ( KV )

130

130

Max Radio InterferenceVoltage(20KV,1MHz),(db)

50

50

PACKING AND

 SHIPPING DATA

Approx. net weight ( kg )

4

5.6

Nº of insulators per crate

6

6

Crate Dimensions (CM)

26×26×85

26×26×85

Gross weight per crate ( kg )

28.5

38

Nº of insulators per pallet

96

72

Pallet Dimensions L×W×H (CM)

80×120×127

100×100×136

Gross weight per pallet ( kg )

470

465

 

 

                       U70         U120         U160         U210


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