D4NH-1CBC

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A limit switch is a type of actuator that can sense the position of physical movement and provide an output signal. The D4NH‑1CBC limit switch is a snap‑action switch specifically designed for a range of applications, featuring a mechanically‑latching pivot arm system. This limit switch is characterized by its miniature size, long mechanical durability and long electrical service life, making it an ideal solution for a range of applications from industrial automation to household appliances.

Management and Operation System

The D4NH‑1CBC limit switch is a solid state switch with no moving parts, and is operated by means of a mechanical arm which provides contact closure in one direction, and contact opening in the opposite direction. The arm is directly connected to the switch case and actuated by a force applied to the actuator. The limit switch has a 6 mm BYP across the front face, providing contact operation and contact opening in both directions for reliable performance.

Environmental Specifications

This switch has a good environmental resistance to dust, water, oil, and temperatures from -25°C to 85°C, allowing it to be used in a wide range of environments. Additionally, it also carries an IP40 protection level against any environmental damage. In addition to environmental protection, the D4NH‑1CBC is also UL approved for insulation and dielectric strength, making it an excellent choice for applications with stringent safety requirements.

Working Principle

The D4NH‑1CBC limit switch is a snap‑action switch built on a mechanically‑latching pivot arm system. When a force is applied to the actuator, the pivot arm latch is released and the switch contact opens. When the actuator force is removed, the pivot arm will latch back in place, providing contact closure. The limit switch provides contact opening in one direction and contact closure in the opposite direction, with both being provided across the 6 mm BYP.

Deployment Fields

The D4NH-1CBC limit switch is designed to provide reliable performance in a variety of applications. It is commonly used in general industrial automation, such as for gate and door openers, access control systems, and machine automation systems. Additionally, it is widely used in the consumer electronics sector for controlling functions such as activating audio speakers, powering display monitors, and adjusting displays on ovens or microwaves.

Technical Advantages

The D4NH-1CBC offers several advantages to its users. These include superior environmental protection with an IP40 rating, long mechanical durability with a life cycle of 5 million operations and a long electrical service life of 600,000 operations. Additionally, the small size and low weight of the switch make it an ideal choice for applications where space is limited, and it is available in both N.O./N.C. and SPDT configurations for added flexibility.

Conclusion

The D4NH-1CBC limit switch is an excellent choice for a range of applications from industrial automation to consumer electronics. It is designed to provide long mechanical and electrical life, superior environmental protection, and a small size that can fit in tight spaces. With its rigid latch arm system, the limit switch is able to provide reliable contact closure and contact opening across its 6 mm BYP.

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