44MS30-01B12S

Actuator Type:	Flatted (6.35mm Dia)
Operating Force:	5.761 ~ 83gfm
Panel Cutout Dimensions:	--
Depth Behind Panel:	--
Features:	Shaft and Panel Sealed
Termination Style:	Solder Lug
Mounting Type:	Panel Mount
Contact Finish:	--
Contact Material:	Silver Alloy
Angle of Throw:	30°
Actuator Length:	11.10mm
Series:	44
Voltage Rating - DC:	28V
Voltage Rating - AC:	115V
Current Rating:	1A (AC/DC)
Contact Timing:	Shorting (MBB)
Circuit per Deck:	SP12T
Number of Poles per Deck:	1
Number of Decks:	--
Index Stops:	Fixed
Number of Positions:	12
Part Status:	Active

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Introduction

Rotary switches are one of the most widely used manual switches in industrial applications, and their relatively large current increase their usability. 44MS30-01B12S is a rotary switch from contemporary manufacturer, Omron. The switch features Rocker Action, Positive Lock and two poles. It is capable of handling Resistive, capacitive and inductive loads. In this article, the application field and the working principle of 44MS30-01B12S switch will be discussed in detail.

Application Field of 44MS30-01B12S Switch

The 44MS30-01B12S rotary switch is primarily used in applications where multiple switch settings are needed with a single switch; typically when a single control is required to select a particular output from various simultaneous sources. Examples of applications that are suitable for it can be found in residential, commercial and industrial environments such as lighting control, motor speed control, industrial control systems and automation applications. In addition, it is also suitable for AC motor reversing applications such as elevator control and motor star-delta reversing. It is designed to be integrated into tight spaces, making it ideal for applications where tight installation requirements are present.

Working Principle of 44MS30-01B12S Switch

The 44MS30-01B12S switch is a single-pole-double-throw or SPST rotary switch meaning that switching is achieved by using one rotary switch connected to two sets of contacts. As the switch is rotates, one set of contacts will be at a time in one position while the other contacts will be in another position. This switch also features a locking mechanism which is triggered when the switch is engaged in either of the two positions. When the switch is activated, an internal electrical contact is made between contacts of the same polarity and a separate electrical contact between the two sets of contacts. This enables a uniform current supply throughout the whole switch.

Conclusion

The 44MS30-01B12S rotary switch from Omron is a reliable and flexible switch suited to many applications. The rocker action, positive lock and two pole operation enable the switch to be used in any situation, whether it is for industrial applications such as motor speed control or residential applications such as lighting control. The switch has a straightforward operating principle and is designed with a locking mechanism that ensures that the switch remains in a single position when engaged.

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