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Standard
| JB/T 8677-1997 Plant explosion-proof civcuit breaker (English Version) |
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Detail of JB/T 8677-1997
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Introduction of JB/T 8677-1997
JB 8677-1997 本标准规定了厂用防爆断路器（以下简称断路器）的要求，抽样，试验方法，标志、包装、运输及贮存等内容。 本标准适用于交流 50Hz，额定电压至 660V，主要用于 1 区或 2 区中含有爆炸性气体混合物的爆炸危险场所的断路器。
Contents of JB/T 8677-1997