surface creepage distance
...8(滞后)(lagging); 3、额定二次电流(rated secondary current)：5A或1A(5A or 1A); 4、表面爬电距离(surface creepage distance)：满足II级污秽地区(meet antipollution class II)； 5、产品标准(the standard of products)：GB1208-1997current transformer；...
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