U40B, U70B, U120B, U160B, ...U550B
High-voltage
Porcelain
Suspension Insulator
High Voltage Power Transmission
Socket-Ball,etc
70KN
CE, ISO9001
Brown,Glass Trasparent
Cowinelec, OEM or ODM
COWINELEC, OEM or ODM
Carton, or Wooden Case
Customizable
Zhejiang, China
8546209090
Product Description
*Glass Insulator U40B--U550B; 40kN till 550kN.
Prodcut type: According to IEC60305: 1995. MOD);
Standard According to IEC60120: 1984mEqy and BS3288;
Power Frequency according to IEC60383-1: 1993 MOD and BS137/1982; Etc.
*Porcelain Insulator: BS standard series, ANSI standard series; PIN/Disc, etc.
ANSI 55 Series Porcelain Pin Insulator
High Voltage Line Glass Suspension Insulator








Prodcut type: According to IEC60305: 1995. MOD);
Standard According to IEC60120: 1984mEqy and BS3288;
Power Frequency according to IEC60383-1: 1993 MOD and BS137/1982; Etc.
*Porcelain Insulator: BS standard series, ANSI standard series; PIN/Disc, etc.
ANSI 55 Series Porcelain Pin Insulator
Class ANSI | 55-1 | 55-2 | 55-3 | 55-4 | 55-5 |
Creepage Distance(mm) | 102 | 127 | 178 | 229 | 305 |
Dry Arcing Distance(mm) | 57 | 86 | 114 | 127 | 159 |
Cantilever Failing Load(kN) | 13 | 11 | 11 | 13 | 13 |
Low Frequency Dry Flashover Voltage | 35 | 45 | 56 | 65 | 80 |
Low Frequency Wet Flashover Voltage | 20 | 25 | 30 | 35 | 45 |
Critical Impulse Flashover Pos(kV) | 50 | 70 | 90 | 105 | 130 |
Critical Impulse Flashover Neg(kV) | 70 | 85 | 110 | 130 | 150 |
Power-Frequency puncture voltage(kV) | 50 | 70 | 90 | 95 | 115 |
Test voltage to ground(kV) | 5 | 5 | 10 | 10 | 15 |
Maximum RIV at 1000kHz(µV) | 50 | 50 | 50 | 50 | 100 |
Net weight Eash APPROX(kg) | 0.5 | 0.65 | 1 | 1.55 | 2.75 |
High Voltage Line Glass Suspension Insulator
IEC Standard insulators | U70BS | U70BL | U120B | U160B | U160BL |
Designation | LXP2-70 | LXP1-70 | LXP-120 | LXP4-160 | LXP-160 |
( mm ) Diameter D | 255 | 255 | 255 | 280 | 280 |
( mm ) Spacing H | 127 | 146 | 146 | 146 | 170 |
( mm ) Creepage L | 320 | 320 | 320 | 400 | 400 |
( mm ) Ball and Socket soupling | 16 | 16 | 16 | 20 | 20 |
( kN ) Mechanical failing load | 70 | 70 | 120 | 160 | 160 |
( kN ) Mechanical routine test | 35 | 35 | 60 | 80 | 80 |
( kV ) Wet power frequency withstand voltage | 40 | 40 | 40 | 45 | 50 |
( kV ) Dry lightning impulse withstand voltage | 100 | 100 | 100 | 110 | 110 |
( P.U ) Impulse puncture voltage | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 |
( kV ) Power frequency puncture voltage | 130 | 130 | 130 | 130 | 130 |
( µV ) Rodio influence voltage | 50 | 50 | 50 | 50 | 50 |
( kV ) Corona visual test | 18/22 | 18/22 | 18/22 | 18/22 | 18/22 |
Power frequency electric arc voltage | 0.12s/20kA | 0.12s/20kA | 0.12s/20kA | 0.12s/20kA | 0.12s/20kA |
( kg ) Net weight per unit | 3.5 | 3.6 | 4.2 | 6.1 | 6.5 |







