D4NH-8EBC

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Snap action and limit switches serve a wide variety of purposes, from monitoring and controlling the positions of machine parts to acting as safety devices. A snap-action limit switch is a mechanically-operated device that performs two separate functions, (1) a “snap-action”, which is a sharp, precise and repeatable switch for making electrical contacts on and off when a predetermined position of an element (such as a lever) has been reached, and (2) a “limit” switch, which is a switch that opens or closes when mechanical contacts are moved beyond physical limits. The D4NH-8EBC is a snap-action and limit type switch suitable for a wide range of industrial and commercial applications.

Features:

The D4NH-8EBC is an extremely small and compact switch greatly reducing the cost of installation and providing superior performance. It provides superior noise immunity, high reliability and low contact resistance due to its high quality components. It is designed to be exceptionally robust and able to withstand harsh environments.

The switch offers a wide range of operating current from 1A to 10A and a large range of operating temperatures from -20°C to 60°C. It has a high performance plunger for long travel and repeatable operations. It is also resistant to shock and vibration, making it a suitable choice for many applications.

Applications:

The D4NH-8EBC is suitable for a wide variety of applications, including position monitoring and control of machine parts, load sensing and safety devices. It can be used in operating environments ranging from automotive and industrial production lines to residential homes and high-end consumer electronics.

It is also suitable for applications where both snap-action and limit functions are required, such as in home appliances, domestic and industrial automation, vending machines, and measurement and control systems.

Working Principle:

The switch operates by means of a plunger and spring mechanism, which pushes or pulls a lever to notify the control circuit of the position of the machine part or element. When this happens, the switch allows current to flow through it by forming an electrical arc between contact points within the switch. This arc jumps across the air gap created by the switch, forming an electrical connection.

As the lever is moved, the plunger’s axis shifts slightly and compresses the switch’s spring. This causes the switch to snap shut or open. The plunger and spring mechanism ensures accurate and reliable switching of the electrical contact points, without the need for manual resetting.

Conclusion:

The D4NH-8EBC is a highly reliable, cost-effective and long-lasting switch that is suitable for a wide range of snap-action and limit applications. It is designed to provide superior performance, highly accurate positioning and exceptional noise immunity, making it an ideal choice for many industrial and commercial applications.

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