ASKHF3A04AY

Ingress Protection:	--
Mechanical Life:	--
Electrical Life:	75,000 Cycles
Operating Position:	0.718" (18.24mm)
Operating Temperature:	-55°C ~ 85°C
Overtravel:	0.312" (7.9mm)
Differential Travel:	--
Pretravel:	0.312" (7.9mm)
Release Force:	14gf
Operating Force:	113gf
Features:	--
Series:	A
Termination Style:	Quick Connect - 0.250" (6.3mm)
Mounting Type:	Chassis Mount
Actuator Type:	Lever, Roller
Voltage Rating - DC:	24V
Voltage Rating - AC:	125V
Current Rating:	25A (AC), 2A (DC)
Switch Function:	Off-Mom
Circuit:	SPST-NO
Part Status:	Active
Packaging:	Bulk

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Snap Action, Limit Switches: ASKHF3A04AY Application Field and Working Principle

Snap action, limit switches are mechanical switching devices that are used in a wide variety of applications ranging from industrial automation, safety related components, and home appliance controls. The ASKHF3A04AY device is a pushbutton switch product manufactured by Omron, a global leader in industrial automation. This device is a tactile switch that provides a single momentary contact closure when actuated by pressure on the button.

Industry Applications

Snap action limit switches are commonly used in industrial applications as they are reliable and versatile. They are commonly found as control switches, safety switches, and emergency switches.industrial robotics – Limit switches can be used to define an absolute position within a robotic arm. The arm will move to the coordinated position when the switch is actuated, allowing the arm to know where it is located in space at any given time. conveyor systems – Limit switches are used to detect the position of an item on a conveyor belt. This can be used to prioritize items moving through the system and determine when a jam has occurred. automated doors – Often these switches can be found in automated doors, either inside or outside. Switches are used to detect when an individual is present, allowing the door to open (and remain open) while their presence is detected. ​machine safety – Many machine safety protocols require the use of limit switches. These switches can be used to detect hazardous conditions and shut down the machine immediately, protecting human operators from harm.

Design and Installation

The ASKHF3A04AY switch consists of a base and a button, which is locked into position using a retaining clip. The switch is designed for surface mounting with four mounting holes on the base. It is important to ensure that these mounting holes are clear of obstructions in order for the switch to actuate properly. The switch is rated for up to 10 million actuations, and it is designed for repeated use in applications.

Connection Methods

The switch is designed for connection to a circuit using screw terminals. The terminals are located on the side of the switch and can be accessed by removing the base cover. The terminals are internally wired as Normally Open (NO) contacts, meaning that the switch is normally in the open position. When the switch is actuated, the contacts close, allowing electrical current to flow between the terminals.

Actuation Method

The ASKHF3A04AY switch is actuated by applying pressure to the button. When the button is pressed, the contacts close and electrical current is allowed to flow between the two terminals. When the pressure on the switch is released, the contacts open, returning the device to its normally open state.

Conclusion

The ASKHF3A04AY device from Omron is a reliable and versatile limit switch designed for use in a variety of industrial applications. It is designed for surface mounting, and it can be connected to a circuit using screw terminals. The switch is actuated by applying pressure to the button, and it is rated for up to 10 million actuations. This device is an excellent choice for a wide range of industrial applications.

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