83278061

Ingress Protection:	--
Mechanical Life:	500,000 Cycles
Electrical Life:	--
Operating Position:	0.330" (8.4mm)
Operating Temperature:	-20°C ~ 150°C
Overtravel:	0.020" (0.5mm)
Differential Travel:	0.006" (0.15mm)
Pretravel:	--
Release Force:	31gf
Operating Force:	153gf
Features:	--
Series:	V4D
Termination Style:	PC Pin
Mounting Type:	Through Hole, Right Angle
Actuator Type:	Round (Pin Plunger)
Voltage Rating - DC:	24V
Voltage Rating - AC:	24V
Current Rating:	50mA (AC/DC)
Switch Function:	On-Mom
Circuit:	SPDT
Part Status:	Active
Packaging:	Bulk

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Snap Action Switches & Limit Switches: Working Principle and Applications

Introduction

Snap action switches and limit switches are a type of electromechanical switch, capable of providing and controlling the transfer of electrical power from a power source to a load. They are commonly used in the industrial, automotive and consumer industries, as well as in medical and vending equipment, and are known for their short travel time and high repeatability. This article explores the working principle and application fields of snap action switches and limit switches.

Snap Action Switches

Snap action switches, also known as snap-acting switches, are electromechanical switches that are widely used in a variety of industrial and consumer products. Their primary advantage is their fast activation time, which allows them to respond quickly to changing environmental conditions and switch from one state to another in less than a fraction of a second. As an example, snap action switches can be used to control home appliances such as ovens, water heaters and air conditioners, and are also used for safety devices in industrial, automotive and medical applications.When these switches are actuated, an internal spring is released, driving a plunger or armature up or down to a predetermined position. Depending on the design, the opening and closing of the contacts is determined by the movement of the plunger or armature, or by mechanical force. Most snap-acting switches require a small amount of energy to actuate, making them reliable and energy efficient.

Limit Switches

Limit switches are electrical switches designed to detect the presence or absence of an object. They are commonly used in industrial automation and handling equipment, as well as in commercial, residential and recreational vehicles. Most limit switches are designed to detect a range of distances, allowing them to monitor the movement of objects across multiple points. Like snap-acting switches, limit switches can be actuated by the movement of an internal spring.Once actuated, the limit switch will either open or close its contacts, depending on the distance of the object. This change in contact state can be used to send a signal to external circuits, which can then be used to control motors, pumps, valves and other equipment.

Conclusion

Snap action switches and limit switches are essential components in many industrial, automotive and medical applications. Snap action switches are typically used in appliances, medical devices and safety systems, while limit switches are used to regulate the motion of objects across multiple points. Both switches work by the movement of an internal spring, which actuates the contacts when a predetermined point is reached.

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