U40B U70BL Porcelain Ceremic Disc Insulator
U40B U70BL Porcelain Ceremic Disc Insulator
U40B U70BL Porcelain Ceremic Disc Insulator

U40B U70BL Porcelain Ceremic Disc Insulator

porcelain disc insulator is a critical component in electrical power systems, designed to insulate and support overhead conductors while preventing unwanted current flow. Porcelain disc insulators are indispensable in high-voltage infrastructure, balancing robust insulation, mechanical resilience, and environmental adaptability despite newer materials emerging.
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basic type Net weight,approximate-kg Coupling size Diameter(D)-mm Spacing(H)-mm
 Leakage distance-mm Combined M&E strength -kn Impact strength -N.m Routine proof test load -kn power frequency dry withstand voltage-kv power frequency wet withstand voltage-kv Dry lightning impulse withstand voltage-kv Power frequency puncture voltage-kv Test voltage RMS to ground-kv Maximum RIV at 1000kHz-μv

U40B

2.8 16 190 140 200 40 5 20 55 30 75 90 7.5 50
U40C 2.9 16C 190 140 200 40 5 20 55 30 75 90 7.5 50
U70BL 4.7 16 255 146 320 70 6 35 70 40 100 110 10 50
U70C 4.8
 16C 255 146 320 70 6 35 70 40 100 110 10 50
U80BL 5 16 255 146 320 80 7 40 70 40 100 110 10 50
U100BL 5.3 16 255 146 320 100 7 50 70 40 100 110 10 50

Applications of Porcelain Disc Insulators

Overhead Transmission Lines: They support the weight of conductors and provide insulation between the conductors and supporting structures like towers
Substations: Used to insulate busbars and support equipment in substations
Distribution Lines: Commonly used in power distribution lines to maintain efficacy
High-Voltage Applications: Suitable for power generation plants and industrial installations requiring high electrical isolation

Advantages

Reliability: Offers mechanical support and electrical insulation in harsh environmental conditions
Versatility: Can be used in various voltage classes and environments

Porcelain Disc Insulator Packing

Suspension Porcelain Insulators

What Our Clients Say

Glass Electrical Insulators
Company profile

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.


What We Have?

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.

Electric Insulators Certificates

Are u the electric insulators factory or trading company?
China Leading Electric Insulators Factory founded in 2002
What're your main power insulators?
Powerline Electric Insulators (glass insulators, porcelain insulators, composite insulators ), the fittings and hardwares of all kinds for high-voltage applications and related products.
Can I get some glass insulators samples?
Yes, powerline glass insulator sample order is available for quality check and market test.
What's your payment terms?
We usually accept all kinds of payment terms, T/T, L/C, Western Union.
How can you control your glass power line insulator quality?
For each glass insulator production processing, we have a complete QC system for the chemical composition, physical and electrical properties. After production, all glass power line insulators will be tested according to related standards, and the ex-factory test reports will be sent along with shipment documents.
Does your company accept customization?
We accept OEM service.
What's your warranty terms?
We offer 24 months warranty terms.
Do you have glass electrical insulators in stock?
Depends on your request, we have standard models (CTV254 & CTV175, U40B U70B U120B U160BL U240B U300B ) in stock. Some special product and big order will be newly produced according to your order.

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Any powerline insulators needs or inquiries, pls leave a message to us. More details, Faster response!

Contact Us

Room 2221, 22nd Floor, Building 1, Wanxiang Times Garden, No. 676, Renmin East Road, Furong District, Changsha City, Hunan Province, China
Phone : 0086 186-848-89358
Whatsapp : +8615274981317  
Email : info@nooaelectric.com
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