Antipollution Type Powerline Insulators U70BP-146-280-450
Antipollution Type Powerline Insulators U70BP-146-280-450
Antipollution Type Powerline Insulators U70BP-146-280-450
Antipollution Type Powerline Insulators U70BP-146-280-450
Antipollution Type Powerline Insulators U70BP-146-280-450

Antipollution Type Powerline Insulators U70BP-146-280-450

U70BP-146-280-450 is a 70kN toughened glass disc suspension insulator designed for medium-voltage transmission and distribution lines. It is widely used for both suspension and tension string configurations. The insulator provides high mechanical strength, excellent electrical insulation, and outstanding resistance to environmental stress. Diameter: 280mm Height: 146mm Creepage distance: 450mm
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Powerline insulators, also known as electrical insulators or simply insulators, are essential components in electrical power transmission and distribution systems. These insulators play a critical role in preventing electrical current from escaping the transmission lines and being grounded. They are used to support overhead power lines and keep them isolated from the structures they are mounted on, such as utility poles or transmission towers.


U70BP-146-280-450 Toughened Glass Disc Suspension Insulator is a high-quality 70kN insulator designed for 33–66kV power transmission lines. It provides excellent electrical insulation, superior mechanical strength, and reliable performance under harsh environmental conditions. Ideal for suspension or tension applications, this glass insulator ensures long-term safety and efficiency for power systems.

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)
UG70B146/450H (U70BLP) 4-6 70 280 146 450 16 50 125 130 50 18/22 0.12s/20kA 2.8 5.8
UG70B146/550H (U70BLP1) 4-6 70 320 146 550 16 55 140 130 50 18/22 0.12s/20kA 2.8 9.2
UG100B146/450H (U100BLP) 4-6 100 280 146 450 16 50 125 130 50 18/22 0.12s/20kA 2.8 5.8
UG100B146/550H (U100BLP1) 4-6 100 320 146 550 16 55 140 130 50 18/22 0.12s/20kA 2.8 9.2
UG120B146/450H (U120BLP) 4-6 120 280 146 450 16 50 125 130 50 18/22 0.12s/20kA 2.8 5.8
UG120B146/550H (U120BLP1) 4-6 120 320 146 550 16 55 140 130 50 18/22 0.12s/20kA 2.8 9.2
UG160B155/450H（U160BMP） 4-6 160 280 155 450 20 50 125 130 50 18/22 0.12s/20kA 2.8 7.1
UG160B170/450H（U160MP1） 4-6 160 280 170 450 20 50 125 130 50 18/22 0.12s/20kA 2.8 7.2
UG160B170/550H（U160BLP） 4-6 160 320 170 550 20 55 140 130 50 18/22 0.12s/20kA 2.8 9.6
UG160B155/550H（U160BLP1） 4-6 160 320 155 550 20 55 140 130 50 18/22 0.12s/20kA 2.8 9.5
UG210B170/550H（U210BP） 4-6 210 320 170 550 20 55 140 130 50 18/22 0.12s/20kA 2.8 10.2
UG240B170/550H（U240BP） 4-6 240 320 170 550 20/24 55 140 130 50 18/22 0.12s/20kA 2.8 10.2
UG300B195/635H (U300BP) 4-6 300 380 195 635 24 60 155 130 50 18/22 0.12s/20kA 2.8 14.5
UG300B195/690H (U300BP1) 4-6 300 390 195 690 24 60 155 130 50 18/22 0.12s/20kA 2.8 15
UG300B195/550H (U300BP2) 4-6 300 340 195 550 24 55 140 130 50 18/22 0.12s/20kA 2.8 12.5
UG420B205/602H (U420BP) 4-6 420 300 205 620 28 55 140 140 50 18/22 0.12s/20kA 2.8 15.8

Note:

1. The product model is in accordance with GB/T 7253-2005 and JB/T 9683-2012 (IEC60305:1995, MOD). The 420kN strength grade product contains 400kN strength grade, and the 550kN strength grade product contains 530kN strength grade.

2. The connection structure is in accordance with GB/T 4056-2008 (IEC60120: 1984, MOD) and BS 3288 Part.

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.




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 toughened glass insulators factory or trading company?
China Leading Toughened Glass Insulators Factory With IEC & ISO Certificates. Founded in 2002.
What're your main power insulators?
Powerline Electrical Insulators (40kn-550kn disc glass insulators, porcelain insulators, composite insulators ), the fittings and hardwares of all kinds for high-voltage applications and related products are available.
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 IEC 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 and ship within 1 month. Some special product and big order will be newly produced according to your order.

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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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