MRA403-BF

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Rotary switches (RSs) are mechanical devices used to control a large number of contacts or circuits within a relatively small space. RSs can open or close many electrical circuits simultaneously without the user having to switch them manually. TheMRA403-BF is an RS that is made for use in high current applications, such as motor control and industrial automation. The RS is designed to handle high current, fast interruptions, variable power and offers contact variability as well as flexibility.

The MRA403-BF is a three-pole bulkhead-mounted rotary switch. It is designed to operate with up to 2500 mA of continuously changing electrical current and can open or close up to 24 circuits. The switch is equipped with a number of insulated contact plates and a fine-wire contacts. The main features include a die-cast aluminum housing, stainless steel shaft, adjustable stops and a single-track switching element.

One of the major advantages of the MRA403-BF over conventional mechanical switches is its ability to handle high current applications. The unit can handle up to six times more current than many mechanical switches. The contact surfaces are also made from high quality material, ensuring a long service life. The variable power and fine-wire contacts enable it to easily interrupt high currents with minimal arcing.

The switch is activated by turning the stainless steel shaft. This action causes the contacts to open or close depending on the position of the switch. As the shaft is rotated, the contact plates move along the tracks and open or close the desired circuits. The adjustable stops allow a precise positioning of the switch in the open or closed position. This feature enables the user to control the exact timing of when the circuits are opened or closed in relation to other tasks that may be occurring during the same operation.

The MRA403-BF is suitable for use in many high current applications, including motor control, HVAC systems and industrial automation. The switch is reliable and capable of handling a large number of simultaneous contact signals and can therefore be used in many different industrial applications. It is also easy to install and maintain and requires minimal maintenance.

In summary, the MRA403-BF is an advanced rotary switch designed for use in high current applications. The unit provides high current interruptions with minimal arcing and can control up to 24 circuits simultaneously. The adjustable stop enables the switch to control the exact timing of when the circuits are opened or closed. The switch is reliable and durable, and requires minimal maintenance.

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