介绍了一种新型塑壳断路器的过电流保护系统。
A new type of over current protection system of MCCB was Introduced.
开发了一种数字式全自动塑壳断路器保护特性检测台。
A digital molded case circuit breaker (MCCB) automatic protection characteristic test platform was developed.
塑壳断路器塑壳断路器能够自动切断电流在电流超过跳脱设定后。
Molded case circuit breaker a molded case circuit breaker automatically interrupts the current flowing through it when the current exceeds the trip rating of the breaker.
完成项目：完成当时国内先进的智能型塑壳断路器的设计开发项目。
Completed projects: the completion time advanced MCCB intelligent design and development projects.
本文主要介绍西门子新型塑壳断路器的用途、功能、结构特点及主要技术指标。
This paper introduces a new type plastic frame circuit-breakers of SIEMENS, describes its application, function, feature of construction and main technical data.
塑壳断路器通常含有热磁跳脱单元，而大型号的塑壳断路器会配备固态跳脱传感器。
Molded case circuit breakers usually contain thermal-magnetic trip units, although larger sizes can be equipped with solid state trip sensors.
从塑壳断路器尺寸紧凑、栅片数受限制出发，提出弧柱压降对限流同样起很大作用。
According to the compact geometry along with limited number of deion plates of MCCB, it was proposed that arc column voltage also play an important role in interrupting process of MCCB.
针对塑壳断路器触头分断速度计算难的问题，提出了一种定量计算触头分断速度的方法。
Aimed at the difficulty of calculating moulded case circuit-breaker contact breaking speed, a quantitative arithmetic method was proposed.
同时也对我国科研机构等相关单位提出了期望，希望国产高分断能力的塑壳断路器能尽早问世。
Meanwhile, it also put forward the expectation towards relevant scientific and re-search institute, hoping homemade MCCB with high-rupturing capacity could be developed early.
塑壳断路器属于保护类电器，如果它的可靠性不高，尤其是操作可靠性不符合生产和生活的需要，会给用户带来很大的影响，甚至造成严重的经济损失。
If its reliability, especially operating reliability does not meet the need of production and life, it may bring trouble to users and even result in great economic loss.
低压电焊机控制回路是塑壳式断路器(MCCB)的一种特殊使用状态。
The MCCB's operating status in low voltage circuit for welding machine control is a special case.
铸铝合金外壳，内装高分断小型断路器或塑壳式断路器。有C45、C65、CM 1可供选择。
The shell is made of diecasted Al-alloy, inside is installed MCB or MCCB. Has C45, C65, CM1 to be supplied.
提出了塑壳式断路器用电流互感器(CT)的软件修正方法。
The software revision method of current transformer (CT) for molded case circuit breaker was pre - sented.
触头打开时间对于低压塑壳式断路器的限流性能有重要意义。
The opening time of movable contact has remarkable effect on the limiting current performance of low voltage molded case circuit breakers.
本发明涉及一种塑壳式断路器磁试验触头保护用具及使用方法。
The invention relates to a plastic shell-type breaker magnetic test contact protection appliance and a using method thereof.
介绍了一种新型的塑壳式断路器智能化脱扣器。
内装高分断小型断路器或低压塑壳式断路器。
Built-in high efficiency mini-breaker or low voltage plastic enclosure breaker.
内装高分断小型断路器或低压塑壳式断路器。
Built-in high efficiency mini-breaker or low voltage plastic enclosure breaker.
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