71MAS30-01C04S

Actuator Type:	Flatted (3.17mm Dia)
Operating Force:	2.880 ~ 23gfm
Panel Cutout Dimensions:	--
Depth Behind Panel:	19.33mm
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:	9.53mm
Series:	71
Voltage Rating - DC:	30V
Voltage Rating - AC:	115V
Current Rating:	250mA (AC/DC)
Contact Timing:	Shorting (MBB)
Circuit per Deck:	DP4T
Number of Poles per Deck:	2
Number of Decks:	1
Index Stops:	Fixed
Number of Positions:	4
Part Status:	Active

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Introduction to Rotary Switches

Rotary switches are electronic devices that allow control and automation of circuits and systems through the indexing of an internal contact. Simply put, these switches allow users to select and control electrical paths in a variety of applications. This provides the convenience of changing the state of the circuits at different points. Although the concept of switching is not a new one, rotary switches provide the most reliable and efficient methods of controlling communication, operating parameters, and other operations in various industries.

Basic Physical Structure of a Rotary Switch

The basic design of a rotary switch consists of a cylinder that has multiple sliding pieces. Inside the cylinder is a contact disk as well as a drive side wheel. Attached to the wheel is a stem, which is used to move the contact disk to different angles. The contact disk is either made up of several metal contacts that are soldered together, or it can be a contact wheel that has multiple settings.Rotary switches are usually designed and constructed to be either mechanical or non-mechanical. Mechanical switches rely on a mechanical operation of their components, while non-mechanical switches rely on an electrical current to move the contact disk.

71MAS30-01C04S Application Field and Working Principle

The 71MAS30-01C04S is a precision rotary switch with a wide range of applications including, telecom, audio systems, industrial, instrumentation, medical devices, security, automotive, and other applications that require precise control and communication.The 71MAS30-01C04S is an index-actuated rotary switch with a solid-state output. It consists of a manually-operated controller and an interior contact disk assembly. The contact disk contains three electrically insulated plates that are each connected to a single pole. When the selected switch position is activated, an electrical current passes through the corresponding contact plates, thus controlling a pre-determined circuit path. A built-in guard ring on the contact disk makes it impossible to make a connection to two independent poles at the same time. The contact disk assembly has a removable cover, which allows it to be serviced without requiring a replacement switch. The controller controls the contact disk movement by using a lever and a rack and pinion drive. This allows for precise and sturdy control of the rotary switch. The inner contact disk also operates as a safety feature to prevent unintentional unauthorized operation of the switch. The 71MAS30-01C04S is also designed with a double layer structure and a plastic shell to ensure a greater level of resistance to dust, shock, and vibration. It also has an insulating function and helps to reduce the level of noise generated by the switch.

Conclusion

The 71MAS30-01C04S is a versatile, reliable, and efficient rotary switch that is suitable for a variety of applications. With its high-precision how it indexes and controls the circuit paths, it is the ideal choice for controlling and monitoring operations. Additionally, its robust construction and safety features provide users increased peace of mind when using it in various demanding environments.

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