Products IEC Designations of  U70

 

IEC class: U70BS & U70BL:

Reference Standards: IEC 383 -1, IEC 305, IEC120

                                                 Toughened Glass

                                                        Suspension Insulator

                                                         Ball and Socket type                     

Standard Profile

 

 
 

 

 

CTERISTICS

U 70BS

U 70BL

MECHANICAL

Minimum Mechanical Failing Load ( KN)

70

70

Impact Strength (NM)

45

45

Residual Strength (%)

>65

>65

Mechanical Routine test Load(KN)

35

35

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

42-45.5

42-45.5

DIMENSIONS

 

Diameter ( mm )

255

255

Spacing ( mm)

127

146

Creepage distance  ( mm )

320

320

Metal fitting size

16A

16A

Galvanized Coating (gr/cm2)

0.06 (85)

0.06 (85)

 

ELECTRICAL

 

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

70

70

Power frequency withstand voltage (KV)-Wet 1 minute

40

40

Dry lightning impulse withstand voltage( KV )

115

115

Puncture withstand voltage ( KV )

130

130

Max Radio Interference Voltage(20KV,1MHz),(db)

50

50

PACKING AND

 SHIPPING DATA

Approx. net weight ( kg )

3.7

3.75

Nº of insulators per crate

6

6

Crate Dimensions (CM)

262685

262685

Gross weight per crate ( kg )

27

27

Nº of insulators per pallet

96

72

Pallet Dimensions LWH (CM)

80120127

80120127

Gross weight per pallet ( kg )

435

440

 

 

                               U70         U120         U160         U210

 


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