71B30-12-1-02N

Actuator Type:	Flatted (6.35mm Dia)
Operating Force:	2.880 ~ 23gfm
Panel Cutout Dimensions:	--
Depth Behind Panel:	87.35mm
Features:	--
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:	Non-Shorting (BBM)
Circuit per Deck:	SPDT
Number of Poles per Deck:	1
Number of Decks:	12
Index Stops:	Fixed
Number of Positions:	2
Part Status:	Active

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Introduction to Rotary Switches

Rotary switches are a type of electromechanical device used to control the flow of electricity or other electronic signals. In electrical and electronic engineering, a rotary switch is used to make a connection between one or more circuits. It can be activated by a rotating knob, lever, or dial. The most common type of rotary switch is the two-pole switch, which has two pairs of contacts, each pair being connected to an individual circuit.

71B30-12-1-02N Rotary Switch

The 71B30-12-1-02N rotary switch is a two-pole switch manufactured by Grayhill. It is designed to be used in demanding applications where high electrical loads, repeated operations, and long life are required. The switch is capable of handling up to 20A per pole at 250VAC, and up to 10A at 450VDC. It is available in both vertical and horizontal orientation and in various actuator styles.

Application Field

The 71B30-12-1-02N rotary switch is suitable for a range of applications in both commercial and industrial settings. It can be used to control motor starters, pumps, HVAC systems, lighting, medical equipment, and other high-current loads. The switch is often used in motor control systems, such as automation, machinery control, and energy management.

Working Principle

The 71B30-12-1-02N rotary switch operates on a simple principle: when the actuator is turned, a set of electrical contacts inside the switch connect to make a circuit. The switch contacts are arranged in such a way that they move into position when the actuator is moved, and lock into place when the switch is rotated back to its original position. The switch can be used to turn on and off several circuits simultaneously, making it a powerful control device.

Conclusion

The 71B30-12-1-02N rotary switch is a versatile and reliable control device, suitable for a wide variety of applications. Its robust construction and long life make it ideal for controlling motor starters, pumps, HVAC systems, lighting, medical equipment, and other high-current electrical loads. By utilizing its two-pole configuration and discrete contact switching, this switch can be used to control multiple circuits simultaneously.

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