12SM83-H2

Ingress Protection:	--
Mechanical Life:	1,000,000 Cycles
Electrical Life:	--
Operating Position:	0.330" (8.4mm)
Operating Temperature:	-55°C ~ 125°C
Overtravel:	0.003" (0.076mm)
Differential Travel:	0.004" (0.1mm)
Pretravel:	0.020" (0.5mm)
Release Force:	28gf
Operating Force:	141gf
Features:	--
Series:	SM
Termination Style:	PC Pin
Mounting Type:	Through Hole
Actuator Type:	Round (Pin Plunger)
Voltage Rating - DC:	30V
Voltage Rating - AC:	125V
Current Rating:	1A (AC/DC)
Switch Function:	On-Mom
Circuit:	SPDT
Part Status:	Obsolete
Packaging:	Bulk

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Snap Action, Limit Switches: 12SM83-H2 Application Field and Working PrincipleSnap action, limit switches are vital components in the engineering and electronics markets. Their purpose is to sense the presence of the object in a space, then switch a circuit accordingly. Models like the 12SM83-H2 are a cost-effective means of achieving this effect.Starting with the application field, such a device can be used in a variety of industrial, commercial and residential environments. Machines such as photocopiers and vending machines, as well as products like microwaves, washing machines and refrigerators, all benefit from this technology. Electrical mechanisms like elevators, escalators, factory robots and door locks are also within its scope.The 12SM83-H2 features a robust snap action contact that is designed to actuate under light to moderate loads. The switch has a NEMA rated corrosion-resistant design and is encased in an aluminum alloy body. This model also boasts wide electrical ratings, which enables it to be used in a variety of applications.Now let us look at the working principle of the 12SM83-H2. The switch consists of a plunger that is pulled when the object is present in its sensing space. This causes a set of contacts to be actuated and switch the circuit accordingly. This action is greatly aided by the two-stage plunger design, which creates a firm and reliable contact. Additionally, the contact construction ensures that no contact chattering occurs during operation, which is a common flaw in other brands of switches.The reset occurs by pushing the plunger back into its original position. The switches provide a high degree of contact reliability and durability, regardless of its usage environment. This can be attributed to the heavy-duty contacts which are designed to withstand up to 100,000 electrical and mechanical operations.The 12SM83-H2 offers great versatility. It can be mounted in any configuration: either on the PC board, panel or rail. Additionally, it is designed to work with both Normally Open and Normally Closed circuits. This means that the load can be wired in any order allowing for flexibility in switch design.From the above information, it can be seen that the 12SM83-H2 is a solid choice for any application. Its wide electrical ratings and corrosion-resistant design make it suitable for both indoor and outdoor use. Furthermore, the two-stage plunger design and heavy-duty contacts guarantee a reliable operation over the long-term.

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