
模制管壳
Introduction was made to a new kind of molded case circuit breaker over-current protection system.
介绍了一种新型塑料外壳式断路器的过电流保护系统。
The software revision method of current transformer (CT) for molded case circuit breaker was pre - sented.
提出了塑壳式断路器用电流互感器(CT)的软件修正方法。
A digital molded case circuit breaker (MCCB) automatic protection characteristic test platform was developed.
开发了一种数字式全自动塑壳断路器保护特性检测台。
The opening time of movable contact has remarkable effect on the limiting current performance of low voltage molded case circuit breakers.
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。
Molded case circuit breakers usually contain thermal-magnetic trip units, although larger sizes can be equipped with solid state trip sensors.
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"是电气工程领域的专业术语,主要指一种通过注塑成型工艺制造的绝缘外壳。以下是详细解释:
词义分解
行业应用
常见于低压断路器(如MCCB,即Molded Case Circuit Breaker)。例如三菱电机的NF125-HV四极断路器,其外壳可承受125A电流并通过模制工艺实现相线隔离。
材料与工艺
多采用热固性树脂(如环氧树脂)注塑成型,这种材料具有高机械强度、阻燃性(UL94 V-0级认证常见)和耐电弧特性,相比金属外壳更轻且绝缘性能更优。
功能特点
该术语在IEC 60947-2等国际标准中被明确定义,属于低压配电系统的核心组件。
单词: molded case
中文解释:成型机箱
例句:
用法:Molded case通常用于描述电气或机械设备中的机箱,这种机箱通常是通过注塑成型制造而成的。Molded case circuit breaker是一种用于保护电路的断路器,它通常由成型机箱制成。
近义词:Injection molded case
反义词:Unmolded case
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