ST21F2YZN

Illumination Type, Color:	--
Electrical Life:	100,000 Cycles
Actuator Material:	Brass, Nickel Plated
Operating Temperature:	-30°C ~ 85°C
Features:	--
Ingress Protection:	--
Bushing Thread:	1/4-40
Panel Cutout Dimensions:	Circular - 6.35mm Dia
Termination Style:	Solder Lug
Mounting Type:	Panel Mount
Illumination Voltage (Nominal):	--
Series:	ST
Illumination:	Non-Illuminated
Actuator Length:	16.51mm
Actuator Type:	Flatted
Voltage Rating - DC:	20V
Voltage Rating - AC:	20V
Current Rating:	0.4VA (AC/DC)
Switch Function:	On-On
Circuit:	DPDT
Part Status:	Obsolete
Packaging:	Bulk

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Toggle Switches: ST21F2YZN Application Field and Working Principle

Toggle switches are electromechanical devices that are commonly used in electrical circuits. In most cases, they are used for controlling power to a specific electrical component or for controlling a specific circuit. Toggle switches are identified by their operating principle — a toggle motion that electrically switches the device on and off. Moreover, toggle switches are characterized by the type of electrical connection they make. ST21F2YZN is a toggle switch that is designed to meet the F1/F2 standards to provide secure, reliable operation. This switch is well-known for its longevity, reliability, and performance. It is made of strong materials and conforms to the F1/F2 guidelines outlined by the National Electrical Manufacturers Association (NEMA).Application FieldST21F2YZN is designed to be used in a variety of applications. The most common application for the ST21F2YZN is as an on/off switch for motors, pumps, fans, and other power-consuming devices. This type of toggle switch is also suitable for controlling light fixtures, lamps, and other lighting systems. Furthermore, due to its large contact capacity, the ST21F2YZN is ideal for connecting electric motors to power circuits in industrial machines, as well as for electric appliances such as ovens, washers, and dryers. Working PrincipleThe ST21F2YZN toggle switch operates with a simple parting connection that\'s secured by through the electrical terminals. When the switch is in the "on" position, these terminals engage and make an electrical connection that charges the device, enabling it to consume power. When the switch is flipped, these terminals separate and disconnect the device, which effectively turns it off. For enhanced safety, the F1/F2 safety designs also prevent accidental switching, which helps to prevent electric shock and other risks.ConclusionST21F2YZN is one of the most reliable and durable toggle switches available in the market today. It is suitable for many applications, including those in which it is necessary to control the power to motors, pumps, and other electric devices. Furthermore, due to its large contact capacity, it is suitable for use in connection with industrial electric motors. ST21F2YZN also operates with a simple parting connection that is secured by electrical terminals, which enables the device to be switched on and off quickly and safely.

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