Actuator Type:	Knob
Operating Force:	2.039 ~ 7.138gfm
Panel Cutout Dimensions:	Circular - 6.35mm Dia
Depth Behind Panel:	17.00mm
Features:	Process Sealed
Termination Style:	PC Pin
Mounting Type:	Panel Mount, Through Hole
Contact Finish:	Silver
Contact Material:	Copper
Angle of Throw:	30°
Actuator Length:	15.80mm
Series:	MR
Voltage Rating - AC:	125V
Current Rating:	250mA (AC)
Contact Timing:	Non-Shorting (BBM)
Circuit per Deck:	SP12T
Number of Poles per Deck:	1
Number of Decks:	1
Index Stops:	Adjustable
Number of Positions:	2 ~ 12
Part Status:	Active

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Rotary Switches

Rotary switches are a type of switch with a rotary actuator in its structure, which is operated manually by the user. They are mainly used to either make or break electrical connections, and they can be used in a wide range of applications. From consumer electronics and motor control to HVAC and laboratories, there are a variety of uses for rotary switches. Since their introduction in the early 20th century, rotary switches have revolutionized the way we communicate and interact with our environment.In this article, we will be focusing primarily on the MRA112-CG rotary switch and its various applications and working principles. MRA112-CG is a combination rotary switch that is intended for use in electrical switchgear applications. It is a durable, reliable, and easy to install switch that can be used in a wide range of environments.The MRA112-CG rotary switch is a three pole rotary switch that is capable of switching current up to 400 amps at 277 volts in a terminal mounted configuration. The switch is composed of a hub, operating cam, and insulated boots. The hub has NEMA ratings of 3, 4, 4X, 6, and 6P. It is suitable for switching currents up to 600 volts and is UL listed. The operating cam is made of stainless steel, and it is designed to ensure smooth operation. The insulated boots provide insulation and wear resistance.The MRA112-CG rotary switch is used in a variety of different applications due to its reliable operation, versatility, and ease of installation. It can be used in consumer electronics, motor control, HVAC systems, industrial automation, as well as in laboratories and switchgear applications. In consumer electronics, it can be used to switch between different power sources or to control the voltage level for a particular device. In HVAC systems, it can be used to control a particular zone or system. In industrial automation, it can be used to control the speed of machinery or to enable safety functions.The working principle of MRA112-CG rotary switches is fairly straightforward. When the actuator is operated by the user, it turns the hub or “winding wheel”, moving it from one pole to another. This causes a series of changes in the circuit, allowing the switch to turn on or off the circuit. The insulated boots protect the internal components of the switch from water, dust, and other contaminants. The combination of the hub, operating cam, and insulated boots ensures smooth and reliable operation.In conclusion, the MRA112-CG rotary switch is ideal for a variety of switchgear applications. Its durable design and ease of installation make it a great choice for a wide range of environments. The operating cam and insulated boots also ensure smooth operation and reliable protection against contaminants. With its wide range of applications, the MRA112-CG rotary switch is sure to become a valuable tool in any environment.

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Part Number	Manufacturer	Price	Quantity	Description