D4N-9B20

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Snap action, limit switches are essential elements in many automation applications. The D4N-9B20 is a great example of this type of switch. It is a precision limit switch designed for harsh environments and is rated for IP67 weather and dust resistance.

The D4N-9B20 offers a mechanical life of up to 50,000,000 cycles and a temperature range from -15°C to 65°C. It is available in two different types - snap action and non-snap action. Snap action limit switches provide fast actuation and response, while non-snap action limit switches provide slower actuation and response.

The D4N-9B20 has a variety of application fields, such as industrial machinery, automotive, agricultural equipment and many other applications. It can be used as a safety device in control cabinets, door and window actuator, points of sale machines, and other mechanical and monitoring applications. It is also well suited for use in vending machines and other HVAC systems.

The main working principle of the D4N-9B20 is simple – a short actuation stroke causes the switching mechanism to move through the actuation point and close or open a circuit. This movement is known as a snap action. When the switch is actuated, a plunger moves towards a contact disc, compressing a spring. The spring then pushes the plunger back to its original position and opens the circuit again.

Using a D4N-9B20 snap action limit switch is simple. It is usually wired to a power supply and connected to an external device. When the external device triggers the switch, it causes the plunger to move and complete the circuit, allowing for a current to flow.

The D4N-9B20 is an excellent choice for any application that requires a reliable and durable limit switch. Thanks to its durable construction and IP67 rating, it is suitable for a wide range of applications. In addition, its simple actuation mechanism ensures quick response times in a variety of conditions.

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