Introduction To The Withstand Voltage Grade Of Pre-insulated Bushing
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As we all know, the voltage resistance level of pre insulated sleeve is different, and different application fields require different voltage resistance levels. In this section, the editor will introduce the relevant instructions for the conventional customer requirements and voltage resistance levels of pre insulated junction sleeve; insulated joint sleeve can be divided into different levels of 1.5KV, 2.5KV, 4KV to 7KV according to the voltage resistance.
