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1·The switch is connected in parallel with a thermal relay.

开关并接有热继电器。

2·Built-in ac contactor, thermal relay and universal self-reset converting switch.

内装交流接触器，热继电器，自复位万能转换开关等。

3·IC type overload protection circuit has gradually replaced thermal relay overload protection mode.

煤电钻采用热继电器进行过载保护方式已逐渐被IC型过载保护电路取代。

4·Thermal relay value should be able to in no more than 140% of the rated current compressor when disconnect.

热继电器的设定值应能在不超过压缩机额定电流的140%时断开。

5·Increase external overload protection is to prevent motor burned effective means, such as thermal relay protection.

增加外部过载保护是防止电机烧毁的有效手段，如热继电器保护。

6·From the features of thermal relay and electronic motor protector, the advantages of electronic motor protector were emphasized.

从热继电器和电子式电动机保护器的特点出发，强调了电子式电动机保护的优点。

7·Contactor can be easily retro-fitting auxiliary contact group, and appropriate combination of thermal relay to protect the load that may have been circuits.

接触器还可方便地加装辅助触头组，和适当的热继电器组合，保护可能发生过负载的电路之用。

8·This paper analyses the matters needing attention in selection and usage of thermal relay, and expounds the importance of rational selection and usage of thermal relay.

分析了热继电器在选用中的注意事项，阐述了合理选用热继电器的重要性。

9·Protection against motor over - load usually adopt thermal relay, but protection against line over - load usually adopt long delay over- current release of circuit- breaker.

电动机过载保护通常采用继电器，而配电线路过载保护多采用断路器的长延时过电流脱扣器来完成。

10·So developing the research on the reliability test technology of thermal overload relay has great signifi.

因此开展对热过载继电器可靠性试验技术的研究具有重要意义。