MRB12H

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Rotary switches, made up of a variety of components, offer a simple and reliable way of making electrical connections between two or more circuits. A common example of a rotary switch used to make and break current connection is the MRB12H. In this article, we will discuss the application field and working principle of this specific rotary switch.

The MRB12H is designed as a shallow-depth rotary switch that is suitable for many applications. This makes it an easier product to fit, as compared to its deeper-depth counterparts. It has a compact size, which allows it to be used in tight spaces, making it well suited for applications where the traditional, larger switches cannot be used. It is constructed with high-performance phosphor bronze, brass and zinc materials, making it highly resistant to corrosion and wear.

The MRB12H has two main positions – normally open (NO) and normally closed (NC). The NO position allows connection between the two points on the switch, while the NC position breaks the connection. It also has a third position that allows switching between the two points without having to physically adjust the switch. This makes it ideal for switching between two circuits in an automated system. In addition, the MRB12H can be used for power switching applications up to 12 Amp, which makes it suitable for industrial, building and HVAC uses.

The working principle of the MRB12H is quite simple. The switch consists of a rotating spindle, which is connected to a contact bridge. When the spindle is rotated, the contact bridge moves up and down, making or breaking the electrical connection between the two points. The two points are connected to the contacts to the contact bridge, and the spindle is then connected to the body of the switch.

The MRB12H also features a spring-loaded rotary lever that helps maintain the contact bridge in the correct position. The spring-loaded lever can be adjusted to the desired setting, which allows for the connection to be maintained without having to manually adjust the switch. Additionally, the MRB12H also features a circuit breaker that can be used for power switching applications.

To summarize, the MRB12H is a versatile and reliable rotary switch suitable for a variety of applications. It is constructed with high-performance materials, offering a high degree of resistance to wear and corrosion. It is available in two positions – NO and NC – and features a spring-loaded lever and circuit breaker for power switching applications. Together, these features make the MRB12H a reliable and cost-effective choice for many applications.

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