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Ceramic disc insulator according to IEC, ANSI and other standards are used in substations and related switching equipment. IEC U70BL ceramic disc insulator is one main type insulator in our company.
They are produced in single piece up to 2300mm and can operate voltages up to 1000KV in stacked configuration. Ceramic disc insulators are subjected to compression, cantilever and torsional loads during service
IEC U70BL ceramic disc insulator parameters:
Insulator technical description | unit | value |
Unit spacing H | mm | 146 |
Dia.D | mm | 255 |
Leakage distance | mm | 295 |
Rated E&M failing load | KN | 70 |
Routine tension load | KN | 35 |
Impact failing load | N.m | 6 |
Wet power freq. withstand voltage | KV | 40 |
Lightning impluse withstand voltage | KV | 100 |
RIV Test voltage to ground | KV | 10 |
Power freq.Puncture voltage | KV | 110 |
IEC U70BL ceramic disc insulator ceramic disc insulator
IEC U70BL Ceramic disc insulator:
Available for any voltage and contamination level by changing number of suspension insulators
Mechanical strength up to 70kN
High reliability through accumulated technology
Excellent long-term performance
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Orient Group is a professional manufacturer and exporter of composite suspension insulator and porcelain disc suspension insulator.