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。
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。
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。
The thermal overload relay is a kind of low-voltage protection apparatuses which is widely used in the field of motor protection.
热过载继电器是一种重要的低压保护类电器，广泛应用于电动机的保护领域。
JR36 series thermal overload relay is a new economical and practical product, which can be used as a substitute for JR16 series.
JR36系列热过载继电器是一个经济、实用型的新产品，可取代JR 1 6系列产品。
CM3 molded case circuit breaker (MCCB) with thermal overload alarm but non-release function was introduced. It integrates part function of thermal overload relay and function of MCCB.
介绍了一种具有热过载报警不脱扣功能的CM 3塑料外壳式断路器，其将热过载继电器的部分功能与MCCB的功能有机地结合在一起。
CM3 molded case circuit breaker (MCCB) with thermal overload alarm but non-release function was introduced. It integrates part function of thermal overload relay and function of MCCB.
介绍了一种具有热过载报警不脱扣功能的CM 3塑料外壳式断路器，其将热过载继电器的部分功能与MCCB的功能有机地结合在一起。
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