PSV70A Glass Disc Suspension Insulator 146 mm Height
PSV70A Glass Disc Suspension Insulator 146 mm Height
PSV70A Glass Disc Suspension Insulator 146 mm Height
PSV70A Glass Disc Suspension Insulator 146 mm Height
PSV70A Glass Disc Suspension Insulator 146 mm Height

PSV70A Glass Disc Suspension Insulator 146 mm Height

PSV70A is a 70 kN class glass disc suspension insulator with a typical diameter around 255–280 mm, a spacing (H) of about 146 mm for the standard configuration, and a creepage distance commonly cited around 400–450 mm. The height/insulator body height is near 146 mm, matching the 146 mm specification used for PSV70A variants in IEC/GOST-compatible catalogs.
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Nooa glass insulator Catalog
basic type 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

40 178 110 190 11 25 50 90 50 18/22 0.12s/20ka 2.8 2.1
u70bs 70 255 127 320 16 40 100 130 50 18/22 0.12s/20ka 2.8 3.5
u70bl-PSV70A 70 255 146 320 16 40 100 130 50 18/22 0.12s/20ka 2.8 3.6
u100bs 100 255 146 320 16 40 100 130 50 18/22 0.12s/20ka 2.8 4
u120b 120 255 146 400 16 40 100 130 50 18/22 0.12s/20ka 2.8 4
u160bs 160 280 146 400 20 45 110 130 50 18/22 0.12s/20ka 2.8 6.5
u160bm 160 280 155 400 20 45 110 130 50 18/22 0.12s/20ka 2.8 6.6
u160bl 160 280 170 400 20 45 110 130 50 18/22 0.12s/20ka 2.8 6.7
u210b 210 280 170 400 20 45 110 130 50 18/22 0.12s/20ka 2.8 7.2
u240b 240 280 170 400 20/24 45 110 130 50 18/22 0.12s/20ka 2.8 7.2
u300b 300 320 195 485 24 50 130 130 50 18/22 0.12s/20ka 2.8 10.6
u420b 420 360 205 550 28 80 140 140 50 18/22 0.12s/20ka 2.8 16
u550b 550 380 240 600 32 55 140 140 50 18/22 0.12s/20ka 2.8 21.5

CTV254

(PS70E)

70
 255
 127
 320
 16
 40
 100
 130
 130
 18/22
 0.12s/20ka
 2.8
 3.5
CTV175
 40
 178 110 190 11 25 50 90 50 18/22 0.12s/s20ka 2.8 2.1

PSV70A Glass Disc Suspension Insulator

•  Mechanical strength: PSV70A is specified for a minimum mechanical failing load of about 70 kN, with a residual strength around 56 kN in common IEC/GOST data sheets. This places it in the 70 kN class family alongside other PSV70-series insulators.

•  Physical dimensions: the insulating part diameter is typically 255–280 mm; standard mounting height (H) is 146 mm, though some regional catalogs list slight variations up to 170 mm for certain configurations. Creepage distances are usually around 400–450 mm, depending on the exact variant and supplier.

•  Electrical ratings: dry and wet power-frequency withstand voltages are in the vicinity of 70–80 kV and 40–45 kV respectively, with impulse ratings often in the 100–125 kV range, consistent with 70 kN class glass suspension insulators. Impulse and withstand values can vary by batch and standard (IEC 60305 / GOST 27661) cited in supplier datasheets.

•  Mounting details: ball-and-socket coupling is common (d values around 11–16 mm depending on variant), with 16 mm typical for higher-strength variants. This affects compatibility with hardware pins and hardware fittings.

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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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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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