39-103

Illumination Type, Color:	--
Electrical Life:	30,000 Cycles
Mechanical Life:	--
Operating Temperature:	-40°C ~ 85°C
Panel Cutout Dimensions:	Circular - 8.61mm Dia
Features:	Overtravel
Ingress Protection:	--
Termination Style:	Solder Lug
Mounting Type:	Panel Mount, Rear
Illumination Voltage (Nominal):	--
Series:	39
Color - Actuator/Cap:	White
Actuator Type:	Round, Plunger
Voltage Rating - AC:	115V
Current Rating:	500mA (AC)
Switch Function:	Off-Mom
Circuit:	SPST-NO
Type:	Standard
Part Status:	Active
Packaging:	Bulk

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Pushbutton Switches: 39-103 Application Field and Working Principle

Pushbutton switches are widely used as control devices in various industrial applications. The 39-103 Series from Marquardt Switches is a popular series of normally open snap-action pushbuttons specifically designed for the industrial field. The 39-103 Series includes a range of switches that can fit a broad spectrum of needs. It is available in two different mounting styles, panel mount, and snap-in mount, in SPST or SPDT configurations with momentary, maintained, latching, and illuminated models. It carries ratings of 30VDC and 0.5A, and is available with a range of actuators. The 39-103 Series has several advantages over competing models, such as its ability to operate reliably in harsh environments, with an operating temperature range of -30° to +85°C. Its compact design and high current capacity are also appealing features. The 39-103 Series\' operating principle is based on time-delay SNAP-ACTION contact function. It works by applying a current to a coil, which then creates an electromagnetic field. This field interacts with a bi-metal disc, causing it to move rapidly back and forth. This motion is what creates the time-delay SNAP-ACTION. The switch is designed so that this motion will cause an electrical contact to open or close. The 39-103 Series is ideal for a variety of applications, including industrial control units, electrical equipment, home security systems, vending machines, office machines, and more. With its strong construction and reliable performance, the 39-103 Series is a great choice for industrial control.

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