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Snap Action, Limit Switches

Snap action, limit switches, also known as directed energy switches, are electromechanical devices used in industrial automation systems. ZM50E70B01 is one such switch available in different styles with different features for different types of applications. The ZM50E70B01 switch has a long electrical life and its Gold-plated contacts and polyester resin-coated construction help to provide reliable service under extreme environmental conditions.

Application Fields

ZM50E70B01 switches can be used in a variety of applications, including in industrial HVAC (heating, ventilation and air conditioning) systems for controlling temperature and flow rate, industrial process control systems for monitoring process efficiency and preventing over-stressing equipment, paper processing systems that require precise ejector force control, and many other applications.

Working Principle

The basic operating principle of the ZM50E70B01 Snap action, limit switch is mechanical action to create a contact closure. An actuator is operated to move the movable contact of the limit switch from one position to another. This causes a change in the configuration of the switch’s contacts which then results in an electrical current flow.

There are two types of operating mechanisms used in the ZM50E70B01 switch: the push-button type and the roller-lever type. The push-button type operates when the actuator button is pressed downward and the movable contact is moved across the fixed contact. When the button is released, the pressure on the movable contact is relieved, and the switch returns to its original position. In the roller-lever type, the actuation of the switch is provided by a cam mechanism. When the rollers of the roller lever contact the cam edge, it causes the movable contact to move to the other side of the fixed contact.

For robust operation in hostile environments, for example in the presence of shock, vibration and extreme temperatures, ZM50E70B01 switches can be insulated with plastic or metallic covers. To improve accuracy and operation speed, the switches can also be equipped with LED indicators or indicators with resistance or mechanical arms.

Conclusion

ZM50E70B01 is a reliable and versatile snap action, limit switch designed for precise and long-lasting operation in multiple applications. Its different configurations and construction materials, combined with protective covers, enable it to function safely in a wide variety of applications. Furthermore, the switch is available in a range of mechanical actuation types, some of which offer faster switching, more accurate triggering and protection from shock, vibration and extreme temperatures.

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