RBP12 112B12 N F S

Actuator Type:	Screwdriver Slot
Operating Force:	2.549gfm
Panel Cutout Dimensions:	--
Depth Behind Panel:	--
Features:	--
Termination Style:	PC Pin
Mounting Type:	Through Hole
Contact Finish:	--
Contact Material:	Silver (Ag)
Angle of Throw:	30°
Actuator Length:	Flush
Series:	RBP12
Voltage Rating - DC:	28V
Current Rating:	130mA (DC)
Contact Timing:	Non-Shorting (BBM)
Circuit per Deck:	SP12T
Number of Poles per Deck:	1
Number of Decks:	1
Index Stops:	Fixed
Number of Positions:	12
Part Status:	Obsolete

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Introduction

Rotary switches are a type of switch that can rotate, usually with a knob, in order to select or change the state of a switch. There are multiple types of rotary switches and they are used in a wide variety of applications, including radio and acoustic tuning, potentiometers, and various selector switches. In this article, we will look at two examples of rotary switches - the RBP12 112B12 NFS, and discuss its application fields and working principle.

RBP12 112B12 NFS Overview

The RBP12 112B12 NFS is a single pole (SP) single throw (ST) rotary switch. It is a snap-action switch and has stud terminals for connection. The switch has a rating of 12VDC, 3A and contact resistance of less than 0.03 ohms. It has a dielectric strength of 2000VAC between contacts and terminals, and an insulation resistance of more than 100M ohms at 500VDC. It also has a maximum mechanical operating life of more than 50,000 cycles. The RBP12 112B12 NFS also has an operating temperature of -20 to 85°C, and is made of plastic and thermoplastic materials, with gold-plated contacts. It is designed to quickly break or make a connection with an audible clicking sound. The switch is also sealed with an epoxy sealant to protect it from moisture, dust, and hazards.

Application Fields

The RBP12 112B12 NFS is mostly used in radio and acoustic tuners, as well as in various other control and safety applications. This type of rotary switch has been used in equipment such as audio mixers, dimmers, and HVAC equipment. It is also used in potentiometers and various selector switches. The RBP12 112B12 NFS rotary switch is also a popular choice for use in automotive, industrial, and electrical applications, due to its low contact resistance and high dielectric strength. Its high mechanical and electrical performance makes it suitable for use in many applications where reliable and accurate switching is required.

Working Principle

The working principle of the RBP12 112B12 NFS rotary switch is fairly straightforward. As the rotary knob is rotated, the contacts inside the switch are triggered and the switch opens or closes, depending on its set angle. This is known as snap-action as the contacts are closed or opened instantly with a loud clicking sound. The DPST (double pole single throw) is essentially two SPDT (single pole double throw) switches in one. The knob controls two sets of contacts independently, allowing for two different operations at the same time. This allows for more versatility and greater control over a system.

Conclusion

The RBP12 112B12 NFS is a single pole single throw rotary switch that is highly versatile and reliable. It is suitable for use in a number of different applications, particularly radio and acoustic tuners, potentiometers, and various selector switches. Its low contact resistance and high dielectric strength make it perfect for automotive, industrial, and electrical applications. The working principle of this rotary switch is simple: as the knob is rotated, the contacts open or close, with a loud clicking sound.

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