- Application: Suitable for transmission and transformation lines;
- Advantage: The surface of glass insulator has high mechanical strength, and the surface is not easy to crack and the aging speed is slow, no need to measure insulation resistance during operation, low operation and maintenance cost;
- Applicable Standard: IEC, GB, BS, ANSI, AS or Customer's requirement;
Type
Diameter (mm)
Structural Height (mm)
Creepage Distance (mm)
Coupling Size (mm)
Specified Mechanical Load(kN)
Dry Power Frequency Withstand Voltage 1 minute (kV)
Wet Power Frequeney Withstand
Voltagesingle unhit /shorlt 'string with 5 PCS (kV)Dry Lightning Impullse Withstand Voltagesingle unit /short string with SPCS (kV)
Min power Frenquency Puncture Voltage (kV)
Net Weight Per Unit(kg)U70B/146 255 146 320 16 70 70 40/180 100/420 130 3.6 U100B/146 255 146 320 16 100 70 40/180 100/420 130 3.6 U120B/146 255 146 320 16 120 70 40/180 100/420 130 3.6 U160B/155 280 155 400 20 160 75 45/200 110/500 130 6.5 U210B/170 280 170 400 20 210 75 45/200 110/500 130 7.0 U240B/170 280 170 400 24 240 75 45/200 110/500 130 7.2 U300B/195 320 195 485 24 300 85 50/200 130/500 130 9.7 U300B2/195 330 195 550 24 300 90 55/200 140/550 130 10.8 U420B/205 360 205 550 28 420 90 55/200 140/550 130 13.0 U550B/240 360 240 635 32 550 95 55/200 150/650 130 17.5 U760B/280 400 280 710 36 760 100 60/260 150/720 130 26.3 U840B/300 400 300 710 40 840 100 60/260 150/720 130 27 Order Information:
1.Voltage grade;2.Specified mechanical load; 3.Creepage distance;4.Power frequency withstand voltage;5.Lightning Impulse Withstand Voltage;Insulation distance;7.Coupling type
Ps. Different end fittings could be supplied as customer requirements



Founded in 1986, SAA Grid Technology Co., Ltd is a national high-tech enterprise and one of the most powerful composite insulator manufacturers in China. We manufacture the following products: 110kV-1000kV composite long rod insulators, 11kV-230kV composite line post insulators, 11kV-800kV composite station post insulators, 27.5kV composite railway insulators; surge arresters, drop-out fuse cutout, disconnectors and other electrical products.
We have exported to more than 20 countries and regions, such as Asia, Middle east, Africa, South America, Australia and Europe etc. SAA has become the backbone supplier of State Grid and China Southern Power Grid, as well as qualified suppliers and OEM/ODM manufacturers of Brazil Power Grid, South Africa Power Grid, and Switzerland ABB., Germany SIEMENS, American LAPP, HUBBELL and other internationally renowned power grid and power companies.
