D4NL-4AFA-B

Ingress Protection:	IP67 - Dust Tight, Waterproof
Mechanical Life:	1,000,000 Cycles
Electrical Life:	500,000 Cycles
Operating Position:	--
Operating Temperature:	-10°C ~ 55°C
Overtravel:	--
Differential Travel:	--
Pretravel:	0.354" (9.0mm)
Release Force:	1530gf
Operating Force:	3059gf
Features:	LED Indicator
Series:	D4NL
Termination Style:	Screw Terminal
Mounting Type:	Chassis Mount
Actuator Type:	Panel Disconnect
Voltage Rating - DC:	250V
Voltage Rating - AC:	240V
Current Rating:	3A (AC), 270mA (DC)
Switch Function:	On-Off, Off-On
Circuit:	DPST-NO/NC (DB/DM) x 2
Part Status:	Active
Packaging:	Bulk

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Snap Action, Limit Switches – D4NL-4AFA-B Application Field and Working Principle

The D4NL-4AFA-B is a special type of snap action limit switch for controlling power or automatically transmitting signals. Applications for this switch include indicating the passing of objects, determining of stroke limits and measuring of lengths.The main components of the D4NL-4AFA-B switch are its switch body, lever, contact unit and auxiliary contact units. The switch body is designed to provide a robust seal against debris, contaminants and contact with other parts. The lever is designed to snap back and forth when a specified amount of force is applied, activating the contact unit. The contact and auxiliary contact units are designed to shut off electrical power or close the circuit when the switch is pushed or released.To begin the operation of the D4NL-4AFA-B switch, the external force must be applied. When a predetermined force is applied to the lever, it snaps back and forth, activating the switch body. This action opens and closes the electrical contacts, shutting off power or closing the circuit and sending a signal.The external force that is applied to the D4NL-4AFA-B switch must be strong enough to move the lever but weak enough that it does not cause any damage to the contacts or switch. Too much external force can lead to contact failure or damage to the internal construction of the switch. For this reason, the strength of the external force must be carefully monitored and calibrated.The D4NL-4AFA-B switch is designed to operate with minimal maintenance. The contacts and auxiliary contacts should be inspected and cleaned regularly to prevent contact corrosion and buildup. Additionally, it is important to use a compatible process and mounting material to ensure proper operation and installation.The D4NL-4AFA-B switch is an effective device for controlling power and automating the transmission of signals. It is designed to be used in a variety of applications, providing reliable and accurate performance. The switch has a robust construction, allowing it to withstand harsh environmental conditions, as well as providing precision operation with minimal maintenance. With its variety of features and proven reliability, the D4NL-4AFA-B switch is ideal for controlling power and transmitting signals.

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