114 236,價格好EUCHNER非接觸式安全開關
在緊急情況下切換在這種情況下，一個三階段啟用開關是更好，是特別
在要求許多C標準。此開關有三個開關位置
（OFF-ON-OFF）和，如果運營商握緊開關，它是致動
出允許位置（中間位置）和機被關閉。
如果使用2級使能開關，它也必須確保的是，在一個
緊急情況下，操作者是在一個位置，以激活緊急停止
If, in this example, the button on a 3-stage enabling switch is pressed
past the actuating point (stage 2) in panic (to stage 3), then not only the
normally open contacts (NO) are reset, but also the safe positively driven
The patented switch system ensures that the enabling function does not
become active at stage 2 on the resetting of the pushbutton from stage
3 to stage 1. In this example the enable can only be given if normally
open and positively driven contacts are closed at the same time. This
situation is only possible on actuation from stage 1 to stage 2. In the
other direction, from stage 3 to stage 1, stage 2 is skipped and,
dependent of the enabling switch’s switch stage, shows the switching
為了能夠以覆蓋盡可能多的應用成為可能，安士能有利
開關可以安裝單通道的各開關元件
或雙通道設計。輔助觸點也可作為額外
正向驅動觸點在許多開關元件使用。這些
是設計，以確保開關特殊的接觸元件
是可靠地分離
114 236,價格好EUCHNER非接觸式安全開關
