D2HW-BR273MR

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Snap action switches are a type of limit switch that use a physical component to sense a change in a system and then respond to it quickly. The D2HW-BR273MR is a special type of snap action limit switch. It features a magnetically actuated contact mechanism that enables it to open and close several times in quick succession. This is particularly useful for applications where multiple critical operating points need to be monitored or controlled.

The D2HW-BR273MR has a rated voltage rating of 250VAC and a rated current of 50mA (DC) or 20mA (AC). It is usually mounted onto an enclosure panel. Its housing is made from high-quality plastic and it is highly resistant to dust, water and other environmental conditions. The actuator lever is made from zinc alloy and is designed to have a long life and reliable performance.

The operating principle of the D2HW-BR273MR is relatively straightforward. When the applied force on the actuator lever is greater than the force exerted by the magnet, the reed switch closes and closes the contacts. When the same force is reversed, the lever snaps back and the contacts open. The contact blades are designed to snap back quickly and reliably when the actuator lever moves, allowing the contacts to open or close in a matter of milliseconds.

One of the primary applications of the D2HW-BR273MR is the control of hydraulic valves. In this application, the switch is mounted onto the valve body and connected to the actuator lever. When the pressure in the system increases beyond the cutoff point, the lever will snap into the closed position and shut off the flow. In addition, the precise control of the contact opening and closing time allows for accurate and repeatable control of the valve.

The D2HW-BR273MR can also be used in HVAC systems. By connecting the switch to a potentiometer and electrically adjustable switch, the contact position can be adjusted in order to control the opening and closing of the air conditioning unit. This allows for precise control of the system temperature.

In addition to its HVAC and valve applications, the switch can also be used in process control systems. By using its precise open and close times, the switch can be connected to a system that can accurately control the timing of different stages of a manufacturing process. The same technology can also be used to control the timing of motors in automated production lines.

The D2HW-BR273MR is a reliable and versatile snap action limit switch. Its magnetically actuated contact mechanism makes it well suited for applications where quick open and close times are critical. With its high-quality construction and long life, it is a popular choice for HVAC systems, valve control, and process control applications.

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