21SM369

Ingress Protection:	--
Mechanical Life:	80,000 Cycles
Electrical Life:	--
Operating Position:	0.330" (8.4mm)
Operating Temperature:	-55°C ~ 125°C
Overtravel:	0.005" (0.13mm)
Differential Travel:	0.002" (0.05mm)
Pretravel:	0.030" (0.8mm)
Release Force:	28gf
Operating Force:	85gf
Features:	--
Series:	SM
Termination Style:	Solder Lug
Mounting Type:	Chassis Mount
Actuator Type:	Round (Pin Plunger)
Voltage Rating - DC:	30V
Voltage Rating - AC:	250V
Current Rating:	5A (AC/DC)
Switch Function:	On-Mom
Circuit:	SPDT
Part Status:	Active
Packaging:	Bulk

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Snap Action Limit Switches

Snap action limit switches are a type of switch that act in response to physical force. They are typically constructed using a plunger, lever, or roller to open or close an electrical contact. These switches are usually found in industrial settings, but they are also commonly used in domestic settings for controlling lighting and other electrical components.The 21SM369 switch is a DPDT single-pole double-throw snap action limit switch. This switch is designed to open or close an electrical circuit when a predetermined force is applied. In most cases, this force is manually applied by a person, but it can also be generated by a machine or a mechanical system. This allows the switch to automate a process or provide on/off control for an electrical circuit.The 21SM369 switch has a variety of applications, including automation and control, overload protection, and alarm systems. In automation and control applications, these switches can be used to trigger events or to act as limit switches. In overload protection applications, they can detect an overload condition and trip an electrical circuit. In alarm systems, they can be used to sound a warning or activate an alarm when a certain force is applied, such as a door being opened.The working principle of the 21SM369 switch is simple. When a predetermined force is applied to the plunger, lever, or roller, the contacts are opened or closed, allowing or stopping the flow of electricity. This effect is created by a spring mechanism contained within the switch, which is triggered by the force applied.The 21SM369 switch is designed to be very reliable. It has an operating temperature range of -40 to 85 °C, and it can be used in a wide variety of environments. The contact material is constructed out of silver or gold-plated alloy, which means it can withstand up to 1 million open/close operations without fail.It is important to note that not all limit switches are designed the same. The type of switch you choose should depend on your specific application. The 21SM369 switch is designed for general and industrial use and provides reliable performance in a wide variety of circumstances.

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