Customization: | Available |
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Application: | High-voltage |
Material: | Porcelain |
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Ball and socket type suspension porcelain insulators( IEC Class ) | |||||
IEC Class | U40B | U70BL | U80BL | U100BL | |
Coupling size | 16 | 16 | 16 | 16 | |
Dimensions | |||||
Diameter(D) | mm | 190 | 255 | 255 | 255 |
Spacing(H) | mm | 140 | 146 | 146 | 146 |
Leakage distance | mm | 200 | 320 | 320 | 320 |
Mechanical Values | |||||
Combined M&E strength | kn | 40 | 70 | 80 | 100 |
Impact strength | N.m | 5 | 6 | 7 | 7 |
Routine proof test load | kn | 20 | 35 | 40 | 50 |
Electrical Values | |||||
power frequency dry withstand voltage | kv | 55 | 70 | 70 | 70 |
power frequency wet withstand voltage | kv | 30 | 40 | 40 | 40 |
Dry lightning impulse withstand voltage | kv | 75 | 100 | 100 | 100 |
Power frequency puncture voltage | kv | 90 | 110 | 110 | 110 |
Radio influence Voltage Data | |||||
Test voltage RMS to ground | kv | 7.5 | 10 | 10 | 10 |
Maximum RIV at 1000kHz | μv | 50 | 50 | 50 | 50 |
Packing and Shipping Data | |||||
Net weight,approximate | kg | 2.8 | 4.7 | 5.0 | 5.3 |
Jiangxi Johnson Electric Co., Ltd was built by Pingxiang Qing 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.
Give a new business opportunity for yourself and mine.
Waiting your email.Do not shilly-shally
Name:Gary Peng
Tel:+86-19179910828 Fax:+86-0079-7513777
Address:Room 317,Zhongchuang Industrial,Feitian Internet,Luxi County,
Pingxiang city, Jiangxi Province, China.