
| 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 |


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.