绝缘子型式

额定机电破坏负荷(kN)

70

90

100

120

134

160

210

240

300

420

550

700

840/760

交流

普通型

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钟罩型

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草帽型

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双伞型

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三伞型

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直流

钟罩型

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草帽型

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双伞型

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三伞型

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