The U100C Ground Wire Type Toughened Glass Insulator is a high-strength, durable insulator specifically designed for grounding applications in high-voltage transmission and distribution systems. Made from toughened glass, this insulator provides excellent mechanical and electrical performance under demanding conditions. Suitable for both industrial environments and rural distribution networks where environmental durability is a priority.
| basic type | minimum mechanical failing load(kn) | nominal diameter d(mm) | nominal spacing p(mm) | nominal creepage distance (mm) | standard coupling | suspending modes | power frenquency dischasrge voltage with gap distance 20mm (kv) | extinguished arc current at power frenquency refresh voltage 2500v with gap distance 15mm (A) | electrode performance of withstand arc current (min) | net weight (kg) | ||||
| max | min | inductance current | capacitance current | power frequency current (ka) | time (s) | frequency | ||||||||
|
u70c
|
70 | 200 | 210 | 220 | 16c | suspension | 30 | 8 | 35 | 20 | 10 | 0.2 | 2 | 4.5 |
|
u70cn
|
70 | 200 | 210 | 220 | 16c | tension | 30 | 8 | 35 | 20 | 10 | 0.2 | 2 | 4.5 |
|
u100c
|
100 | 200 | 210 | 220 | 16c | suspension | 30 | 8 | 35 | 20 | 10 | 0.2 | 2 | 4.5 |
|
u100cn
|
100 | 200 | 210 | 220 | 16c | tension | 30 | 8 | 35 | 20 | 10 | 0.2 | 2 | 4.5 |
|
u120c
|
200 | 200 | 210 | 220 | 16c | suspension | 30 | 8 | 35 | 20 | 10 | 0.2 | 2 | 4.5 |
|
u120cn
|
200 | 200 | 210 | 220 | 16c | tension | 30 | 8 | 35 | 20 | 10 | 0.2 | 2 |
4.5 |



Nooa Electric Co., Ltd. is a notable manufacturer of full range of Electrical Insulators. The company specializes in the production of various types of glass insulators, including Standard Type, AntipollutionType, Fog Type Glass Insulator, OUTERIB Glass Power Line Insulators, D.C Glass Disc Insulator and aerodynamic types. With over 22 years of experience, Nooa Electric has established itself as a qualified supplier for major power corporations in China and emphasizes quality through advanced manufacturing processes and rigorous testing standards.
1. Chinese Professional Electrical Insulators Manufacturer With A Complete Range Of Glass Insulators, Porcelain Insulators And Composite Insulators
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)
6. Test Center For Glass Insulator. Inquire Now: info@nooaelectric.com, whatsapp: +86 15274981317
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.
