电涌保护器电气性能要求 1.防止直接接触 当可触及的浪涌保护器的最大连续工作电压Uc高于交流有效值50V时，应满足以下要求。 为防止直接接触（难以触及的导电部件），浪涌保护器的设计应使其在正常使用条件下安装时无法触及其带电部件。 除了电涌保护器被归类为不可触及之外，电涌保护器的设计还应确保在正常使用安装和接线时，带电部件应是不可触及的，即使在拆卸无需工具即可拆卸的部件之后也是如此。 接地端子和与其连接的所有可触及部件之间的连接应为低阻抗。 通过测试来检验是否合格。 2. 剩余电流（剩余电流）I_聚乙烯醇 For all 电涌保护器s with 聚乙烯醇 terminals, the I_聚乙烯醇 shall be measured with all terminals of the 电涌保护器 connected to the power supply of the reference test voltage (UREF) in accordance with the manufacturer's instructions Compliance is checked by a test, which is not applicable to SPDs connected only to N-聚乙烯醇. 3. Voltage protection level Up The limiting voltage of the 电涌保护器 should not exceed the voltage protection level specified by the manufacturer. Compliance is checked by tests. 4. Action load test When the maximum continuous working voltage Uc is applied, the 电涌保护器 shall be able to withstand the specified discharge current without unacceptable changes in its characteristics. In addition, the voltage switch-type 电涌保护器 or combined 电涌保护器 shall at least be able to cut off the freewheeling current of the dry rated short-circuit current I_SCCR。通过测试来检验是否合格。

---

发帖时间： Apr-20-2022