83873112

Ingress Protection:	IP67 - Dust Tight, Waterproof
Mechanical Life:	10,000,000 Cycles
Electrical Life:	500,000 Cycles
Operating Position:	--
Operating Temperature:	-25°C ~ 70°C
Overtravel:	--
Differential Travel:	--
Pretravel:	--
Release Force:	--
Operating Force:	15gfm
Features:	Cable Length 2m
Series:	83870
Termination Style:	Cable Leads
Mounting Type:	Chassis Mount
Actuator Type:	Side Rotary, Roller
Voltage Rating - DC:	125V
Voltage Rating - AC:	120V
Current Rating:	6A (AC), 550mA (DC)
Switch Function:	On-Mom, Off-Mom
Circuit:	DPST-NO/NC
Part Status:	Active
Packaging:	Bulk

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Snap Action Limit Switches

Snap action limit switches are electromechanical components used for industrial applications to control, monitor and interact with various mechanical systems. The 83873112 series of snap-action limit switches are specifically made for reliable operation in situations where high inrush currents and high operating forces are present. These switches are extremely versatile and can be used for on-off and sequential operations. The 83873112 series snap action limit switches use mercury contacts, which provide superior reliability and long life.

83873112 Application Field

The 8387-3112 snap action limit switches are mainly used in industrial automatic control applications and are especially suitable for use in harsh environments where high inrush currents and high operating forces are present. These switches can be used in a variety of applications including:

• Motor starters and drives
• Electric heaters
• Air conditioning systems
• Lifts, escalators and doors
• Industrial process control systems

83873112 Working Principle

The 83873112 series snap action limit switches are composed of a main switch body and a movable actuator arm. When a specified actuating force is applied to the actuator arm, the internal contacts close to create an electrical connection. When the force is removed, the arm returns to the starting position due to the internal snap action mechanism, resulting in an electric disconnection. As a result, 83873112 limit switches are perfect for applications in which frequent or intermittent on-off switching is required.The 83873112 switches are also designed to be environmentally resistant and can be used in a variety of corrosive atmospheres, including those with high concentrations of salt water, dust and oil. The enclosed construction of the switches also makes them suitable for use in hazardous areas where the risk of explosion from flammable gases is present.The 83873112 switches are also equipped with self-cleaning contacts, which ensures that the contacts remain hygienic and dust-free for reliable operation. The self-cleaning feature also helps to significantly reduce maintenance and repair requirements as dirt and dust are ejected from the contacts during operation.

Conclusion

The 83873112 series snap action limit switches are a robust solution for industrial applications. With the self-cleaning, dust-proof design, they are well suited to applications where the risk of explosions and fire is high. Their mercury contacts also ensure that the switches are extremely reliable, and the long life expectancy ensures that they will always be able to meet the requirements of any industrial application.

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