602EN69-6

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Part Status:	Obsolete

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602EN69-6 Snap Action, Limit Switches Application Field and Working Principle

The 602EN69-6 snap action, limit switch type is an electro-mechanical switch commonly used to detect motion, position, and/or limit exceedance in industrial applications. It consists of a metal actuator (lever arm), operating head (relay contact), and common electrical contacts that can be wired to control a variety of functions including on/off switching, start/stop control and alarm/indicator lights. The 602EN69-6 has experienced an expansion in application for mechanical process control, pneumatic control, air conditioning, and home appliance control and automation.

How Does a 602EN69-6 Snap Action, Limit Switch Work?

A 602EN69-6 snap action, limit switch is an electro-mechanical switch device composed of two parts, an operating element and an electrically activated relay contact. The operating element has a sliding arm, also known as a lever arm, and a stationary lever, called the trip arm. When an external force, such as pressure against the lever arm, is applied to the switch, the contact points of the switch will open or close, thus connecting the circuit, turning on, or off a motor, electrical circuit, light, etc. The trip arm has a reset spring that will bring the lever arm back to its normal position. When the switch is in the tripped position, the reset spring will cause the operating element to move back and close the contact points, thus opening/disconnecting the circuit, turning off or on the motor or other equipment. The 602EN69-6 snap action, limit switch is constructed in a plastic or metal housing and is typically black and silver in color. This type of switch is available in various sizes and contact configurations to meet the needs of various applications.

Application Fields

The 602EN69-6 snap action, limit switch is used in a variety of applications due to its durable construction and consistent operation. Its most common applications are in heating, ventilating, and air conditioning (HVAC) systems, machine tools, robotic automation and lawn mower/garden equipment. In HVAC systems, the 602EN69-6 is used as a mechanical control device to disconnect power to the compressor, or to the fan motor when a set temperature is reached. In machine tool applications, the device is used to control the movement of a machine part, such as a drilling motor or a table saw. In robotic automation, it is used as a sensing device to detect the position of an arm or other automatic device or to detect objects or materials in the vicinity. In lawn mowers and garden equipment, it is used to detect the end position of the cutting blade.

Safety Considerations

When using the 602EN69-6 snap action, limit switch, it is important to adhere to safety guidelines to ensure proper use. It is recommended to use professional grade switches that are certified by a recognized testing laboratory, such as UL or CSA. Furthermore, when installing an electrical device, it is important to switch off the electricity and unplug the device before starting installation.

Conclusion

In conclusion, the 602EN69-6 snap action, limit switch is a versatile electro-mechanical device widely used in industrial and home applications. Its durable construction and reliable operation make it ideal for controlling the motion and position of various machines and components, detecting objects and materials in the vicinity, and disconnecting power when needed. In order to ensure the safe operation of the device, it is important to adhere to professional guidelines on installation and use of the switch.

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