VB-3111

Ingress Protection:	IP67 - Dust Tight, Waterproof
Mechanical Life:	5,000,000 Cycles
Electrical Life:	300,000 Cycles
Operating Position:	1.024" (26.0mm)
Operating Temperature:	-10°C ~ 80°C
Overtravel:	0.138" (3.5mm)
Differential Travel:	0.020" (0.5mm)
Pretravel:	0.060" (1.5mm)
Release Force:	500gf
Operating Force:	1500gf
Features:	--
Series:	VB
Termination Style:	Screw Terminal
Mounting Type:	Chassis Mount
Actuator Type:	Bevel Plunger
Voltage Rating - DC:	125V
Voltage Rating - AC:	125V
Current Rating:	10A (AC), 600mA (DC)
Switch Function:	On-Mom
Circuit:	SPDT
Part Status:	Active
Packaging:	Bulk

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Snap Action, Limit Switches - VB-3111 Application Field and Working Principle

The VB-3111 is a snap action limit switch designed for use in various applications such as limiting an actuator’s travel range. As one of the most reliable and popular limit switch types available today, it is designed to provide accurate and dependable switching operation with long working life.

Application Field

The VB-3111 snap action limit switch is most commonly used to limit the travel of an actuator. It is also frequently used in harsh industrial environments, including those that involve excessive heat, dust, and dirt. These types of limit switches can also be used in other applications, such as in traffic light control systems or in automotive HVAC systems.

Working Principle

The VB-3111 snap action limit switch works by using an actuator to move a contact arm to one of two positions when an external force is applied. A tension spring is used to pre-tension the arm and the contact. When the external force is removed, the spring returns the contact arm to its original position. The contact arm closes and opens the contact when it moves to its corresponding positions, which enables a circuit to be completed or opened accordingly. This type of limit switch is extremely reliable as the amount of force needed to actuate the switch is very small, which allows for quick and precise operation. Additionally, it has a long life expectancy due to its robust construction and flexible use of materials.

Advantages

The VB-3111 snap action limit switch has a number of advantages that make it an ideal choice for many applications. Firstly, its miniature design allows for it to be fitted in various environments and its extremely low actuation force makes it fast and precise. Moreover, its robust construction makes it suitable for use in harsh industrial environments, and its long working life makes it a reliable and dependable choice for long-term applications.

Conclusion

The VB-3111 snap action limit switch is an efficient, reliable, and cost-effective option for various applications, including limiting the travel of an actuator. With its miniature design and robust construction, it is suitable for use in harsh industrial environments and its fast and accurate operation makes it a dependable choice. Additionally, its long working life makes it an excellent choice for long-term applications.

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