DS1F5CQ1

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Snap action, limit switches are widely used in safety devices including door locking mechanisms, elevators, fire and brake system in buses or trams. They may also be used for machine parts counting and home automation. The application area of snap action, limit switches is broad and remarkably efficient. The successive versions of such switches include the DS1F5CQ1.

The DS1F5CQ1 is a mini limit switch with a roller lever for detecting the movement of an object. It is a kind of snap-action switch that works with a mechanical snap-action element made from metal and normally closed plunger. Such switches are widely used in small control applications because of its low cost, long service life, and small size. The DS1F5CQ1 has a flat type actuator with a mechanical life span of a million operations, as well as a simple, dustproof and waterproof design.

The working principle of DS1F5CQ1 is based on the moment of inertia of the roller lever. On the tip of the lever arm, a fork-shaped cradle holds a spring-loaded plunger. When projecting against the elastic force of the plunger, the fork moves, due to the inertia of the lever, deflecting the plunger until it reaches a break point. When the switch reaches the breaking point, the plunger is pushed outward by a spring, resulting in a sudden snap action.

When an object approaches the DS1F5CQ1, the roller causes a rotational movement of the lever. This rotational motion is transferred to the plunger by the stop piece on the end of the lever arm, which is then pushed against the spring\'s elastic force. In this way, the plunger is deflected until it reaches the breaking point and a snap action is triggered, making or breaking the electrical circuit, depending on the type of switch.

For the DS1F5CQ1 limit switch, the contact terminals are connected to the switch with a slide valve that can be opened or closed. The switching voltage is 250VAC, the maximum current is 1A and the operating temperature is from -20℃ to +70℃. Additionally, its life expectancy is one million operations.

In short, the DS1F5CQ1 is a snap-action limit switch that can be used in safety application as well as in home automation. It features a roller lever at the end of the switch, which is activated by an object, resulting in a snap action. The switching voltage is 250VAC and the maximum current is 1A, with a life expectancy of one million operations. With its exceptional durability and small size, the DS1F5CQ1 is an ideal choice for safety and control applications.

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