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Electronic overload relay switch actuation

机译:电子式过载继电器动作

摘要

The disclosed concept provides for an operating mechanism in a overload relay assembly having a solenoid with a permanent magnet. The solenoid includes a ferrous output member. The solenoid moves the output member between a first retracted position and a second extended position. When the output member is in the first retracted position, the permanent magnet maintains the output member in the first retracted position. Thus, in a system wherein the overload relay assembly interrupts power to its own operating mechanism solenoid, the permanent magnet maintains the output member in the first retracted position even when the solenoid is de-energized.
机译:所公开的构思提供了一种过载继电器组件中的操作机构,该过载继电器组件具有具有永磁体的螺线管。螺线管包括铁类输出构件。螺线管使输出构件在第一缩回位置和第二伸出位置之间移动。当输出构件处于第一缩回位置时,永磁体将输出构件保持在第一缩回位置。因此,在其中过载继电器组件中断向其自身的操作机构螺线管供电的系统中,即使当螺线管断电时,永磁体也将输出构件保持在第一缩回位置。

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