Ps 70e U70B Glass Linear Suspension Insulators are widely used in transmission lines, particularly for high-voltage and ultra-high-voltage applications, due to their reliability and ability to withstand severe environmental conditions. Click to buy best Ps 70e electric glass insulators form Nooa Electric.
| basic type | figure no. | minimum mechanical failing load(kn) | nominal diameter d(mm) | nominal spacing p(mm) | nominal creepage distance (mm) | standard coupling | wet power frequency withstand voltage (kv) | dry lightning impulse withstand voltage (kv) | power frequency puncture voltage (kv) | radio interference voltage (μ v) 10kv 1mhz | corona visual test p/c kv | power frequency electric arc voltage | impulse puncture voltage (p.u) | net weight (kg) |
|
u40b |
1-3 | 40 | 178 | 110 | 190 | 11 | 25 | 50 | 90 | 50 | 18/22 | 0.12s/20ka | 2.8 | 2.1 |
| Ps 70e | 1-3 | 70 | 255 | 127 | 320 | 16 | 40 | 100 | 130 | 50 | 18/22 | 0.12s/20ka | 2.8 | 3.5 |
| u70bl | 1-3 | 70 | 255 | 146 | 320 | 16 | 40 | 100 | 130 | 50 | 18/22 | 0.12s/20ka | 2.8 | 3.6 |
| u100bs | 1-3 | 100 | 255 | 146 | 320 | 16 | 40 | 100 | 130 | 50 | 18/22 | 0.12s/20ka | 2.8 | 4 |
| u120b | 1-3 | 120 | 255 | 146 | 400 | 16 | 40 | 100 | 130 | 50 | 18/22 | 0.12s/20ka | 2.8 | 4 |
| u160bs | 1-3 | 160 | 280 | 146 | 400 | 20 | 45 | 110 | 130 | 50 | 18/22 | 0.12s/20ka | 2.8 | 6.5 |
| u160bm | 1-3 | 160 | 280 | 155 | 400 | 20 | 45 | 110 | 130 | 50 | 18/22 | 0.12s/20ka | 2.8 | 6.6 |
| u160bl | 1-3 | 160 | 280 | 170 | 400 | 20 | 45 | 110 | 130 | 50 | 18/22 | 0.12s/20ka | 2.8 | 6.7 |
| u210b | 1-3 | 210 | 280 | 170 | 400 | 20 | 45 | 110 | 130 | 50 | 18/22 | 0.12s/20ka | 2.8 | 7.2 |
| u240b | 1-3 | 240 | 280 | 170 | 400 | 20/24 | 45 | 110 | 130 | 50 | 18/22 | 0.12s/20ka | 2.8 | 7.2 |
| u300b | 1-3 | 300 | 320 | 195 | 485 | 24 | 50 | 130 | 130 | 50 | 18/22 | 0.12s/20ka | 2.8 | 10.6 |
| u420b | 1-3 | 420 | 360 | 205 | 550 | 28 | 80 | 140 | 140 | 50 | 18/22 | 0.12s/20ka | 2.8 | 16 |
| u550b | 1-3 | 550 | 380 | 240 | 600 | 32 | 55 | 140 | 140 | 50 | 18/22 | 0.12s/20ka | 2.8 | 21.5 |
|
note: 3. according to the customer's request, the locking pin can be w-pin or r-pin. unless otherwise specified, u70~u120 adopts w pin, and other uses r pin. 4. black marks are hot sellers-your best Glass insulators choice for overhead power lines |
||||||||||||||


Nooa Eelctric has been specialized in manufacturing high Voltage and ultra high voltage Toughed Glass Suspension Insulator since 2002, Qualified Approval supplier to China State Power Grid with 16 years with 2 glass natural gas kiln production lines. The production Capacity is 3500000 pieces per year, and now setting up the new kiln and lines up to 10500000 pieces per year.
2. Over 22-year R&d and Production Experience in Glass Insulators with 70000 sqm Factory, more than 200 employees, including 25 technicians
3. Provide Full Range of Electrical Glass Insulators: 40-550kN, 70-300kN, 70-240kN With Free Drawings & Approved Type Test Report.
4. INTERTEK, SGS, BV, etc. Any Third Party Inspection Before Delivery Is Available
5. Negotiable Payment Term & Bulk Stock With Fast Delivery(Ship in 1 Month)
Who We Are?
Nooa Electric Co., Ltd. - Chinese professional electrical insulators manufacturer with 21+ experience, covering an area of 70,000 square meters, and construction area is 50,000 square meters. There are more than 200 employees, including 25 technicians. The production capacity 3500000 pieces per year, and now setting up the new kiln and lines up to 10500000 pieces per year. We have been specialized in research and development of latest high-strength functional glass and power transmission insulators, which is the qualified supplier for State Grid Corporation of China and Southern State Grid Corporation of China, and is a participating unit of product standard formulation of the national electrical insulator standard committee.
Certificates & Reports: INTERTK, SGS, BV Certificates,Type Test Certificate.
Main Electric Insulators : Standard-type glass insulator (u40(ctv175)/u70(ctv254, ps70e)/u120/u160/u210/u300) , antipollution-type glass insulators (u120bp/u160bsp/u210bp), aerodynamic type glass electrical insulators (ug70bsa/u100bsa/u120bla), multi-umbrella type electric insulators, ground-wires type glass power line insulators (u70cn/u100cn/u120c), post insulator for line, pin glass insulator. Products are mainly used for transmission line insulation, suspension, support, tension conductors. They are divided into 5 major series: The standard type glass insulator 40-550kn, filth-resistant type glass insulators 70-420kn, aerodynamic type glass electrical insulators 120-300kn, multi-umbrella type electric insulators 120-300kn, and ground circuit type high voltage insulators, able to be used for line voltage from 10kv~1000kv.
Core Technology:
Automation Equipment: Siemens fully automatic feeding, stamping, temperature equalization, tempering, hot and cold shock control system.
Independent Product Model: U160BP/146/380/450, U160BP/155/380/450, U210BP/170/420/550 and U300BP/195/420/550.
Advanced Klin: Germany's new generation kiln control system, equipped with brand-new sensors and actuators, and equipped with a high-precision automatic batching system.
Qualification: Passed the quality, environment and occupational health system certification and obtained a number of invention patents.
Goal:
To be the world's largest glass insulators manufacturer.
