ANSI 52-3 70kN Porcelain Disc Suspension Insulators U70b Ceramic Porcelain Insulators

Dear customers,
         If you have any other questions, please feel free to contact us!
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Ball and socket type suspension porcelain insulators( ANSI Class )
ANSI Class 52-3
Coupling size Type B
Dimensions
Diameter(D) mm 254
Spacing(H) mm 146
Creepage distance mm 320
Dry arcing distance mm 197
Mechanical Values
Combined M&E strength kN 67
Dry arcing distance mm 197
Impact strength N.m 6.2
Routine proof test load kN 33.3
Time load test value kN 44.5
Maximum working load kN 33.3
Electrical Values
Low frequency dry flashover voltage kV 80
Low frequency wet flashover voltage kV 50
Critical impulse flashover voltage,positive kV 125
Critical impulse flashover voltage,negative kV 130
low frequency puncture voltage kV 110
Radio influence Voltage Data
Test voltage RMS to ground  kV 10
Maximum RIV at 1000kHz μv 50
Packing and Shipping Data
Net weight,approximate kg 4.7
The selection of porcelain insulators involves a trade-off between pursuing ultimate long-term stability, mechanical reliability, and environmental tolerance, versus higher weight and brittleness.
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Company Information

 Jiangxi Johnson Electric Co., Ltd was built by Pingxiang Qiangsheng Electric Porcelain Manufacturing Co., Ltd, Huakun Electric Co., Ltd and Pingxiang East china Export Electric porcelain Co., Ltd . Three factories in Pingxiang. We are Manufacturer and trading company for Electrical insulator and trasnformer bushing. We’re have two factories Lab in local . All type porcelain insulator Text  Report. 

High quality porduct is our business idear.Contact us, You will find a new business cooperation way from us. 

Contact us

Give a new business opportunity for yourself and mine.

Waiting your email.Do not shilly-shally

Name:Seven

Address:Room 317,Zhongchuang Industrial,Feitian Internet,Luxi County,

Pingxiang city, Jiangxi Province, China.

Our services :

1)  Factory direct prize

2)  ANSI BS GB IEC DIN AS standard

3)  Free samples

4)  Timely delivery

5)  Customer design

6)  Bid Qualification

FAQ :

Q 1. What’s the payment term ? 
A. We accept TT,30% deposit and 70% balance against copy of B/L 0r L/C at sight.

Q 2. How long is producing time ?
A. Normally it will take about 35-40 days for production.

Q 3. What is the standard of package ?
A. For small capacity, we use carton, but for big capacity, we will use strong wooden 
case for protection or double inner packs in a master carton .

Q 4. Can you offer Form A or C/O ? 
A. Yes. We can prepare relative documents to forgin affairs office or other 
offices to apply for this certificate.

Q 5. Will you accept using customer’s logo ?
A. Only accaept OEM when you order a big quantity.

Q 6.What is your monthly output?
A. It depends on the product model, normally our monthly output is 850 tons.

Q 7. How do you make sure your good quality ?
A. We use the best raw material , and every single product will go through a series of strict test.

Q 8. What kind of certificate you have ?
A. Our company got ISO 9001, ISO 14001, OHSAS 18001 certificate, and each series of product got a test report.

Q 9. What else can you do for me?
A. Our customer service staff will be always online and reply your inquiry within 24 hours.