4AC79

Pretravel:	0.188" (4.8mm)
Differential Travel:	--
Overtravel:	0.125" (3.2mm)
Operating Temperature:	-55°C ~ 85°C
Operating Position:	--
Electrical Life:	--
Mechanical Life:	--
Series:	AC
Packaging:	Bulk
Part Status:	Active
Circuit:	SPDT x 2
Switch Function:	On-Mom
Current Rating:	15A (AC), 500mA (DC)
Voltage Rating - AC:	125V
Voltage Rating - DC:	125V
Actuator Type:	Push-Pull Plunger
Mounting Type:	Chassis Mount
Termination Style:	Screw Terminal
Ingress Protection:	--
Features:	--
Operating Force:	--
Release Force:	--

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Snap Action, Limit Switches & 4AC79 Application Field and Working Principle

Snap action switches, also known as limit switches, are electromechanical devices which are used to detect the presence or absence of an object.. They use a rapidly moving actuating component of the switch to move a contact member between open and closed positions. These range from switches used in home automation and HVAC systems, to industrial machinery, to automotive and aerospace applications.The 4AC79 is a snap action, limit switch used in a variety of applications. This switch has been designed with a rugged construction and can withstand extreme temperatures. It has a long service life and is capable of withstanding shock and vibration. The on/off mechanism of this switch is reliable and highly accurate.This switch can be used for a variety of different applications, including HVAC systems, security systems, and automotive applications. In HVAC systems, it can be used to control either open or close operations of damper motors. The switch is also suitable for applications which require the detection of objects, such as for security and automotive applications. It can be used for detecting the position of doors, windows, or other objects. The 4AC79 snap action, limit switch is actuated by a plunger arm, which is actuated by the presence or absence of a magnet. When the magnet is present, the switch is open; when it is absent, the switch is closed. The switch operates by having a stationary contact that is moved by an actuating plunger piece, within a spring-loaded housing. This is due to an interruption in the magnetic field when the plunger is depressed which causes the switch to change its state. The plunger is designed so that when it is depressed it moves freely within the housing to reverse the state of the switch.The 4AC79 switch is an ideal choice for applications that require reliable and long lasting performance. Its rugged construction is designed to withstand extreme temperatures and its plunger arm is responsive to even the slightest changes in the magnetic field. The switch can be used in both open and close circuits and is suitable for a variety of applications, ranging from HVAC control to security systems.

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