ST21L2HZQ

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:	6.86mm
Actuator Type:	Standard Round
Voltage Rating - DC:	30V
Voltage Rating - AC:	125V
Current Rating:	6A (AC), 7A (DC)
Switch Function:	On-On
Circuit:	DPDT
Part Status:	Obsolete
Packaging:	Bulk

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Introduction to Toggle Switches and ST21L2HZQ

Toggle switches are electromechanical devices used to control electrical circuits or applications. They are widely used in many fields, such as alarm systems, automotive electronics, and wireless telecommunications. Toggle switches work by transferring electrical energy from one electrical circuit to another by using a toggle mechanism. The toggle mechanism is composed of a metal lever that is moved up and down. The ST21L2HZQ is a type of toggle switch manufactured by China’s Guangdong Wenzhou Silver Spring Industrial Co., Ltd. This product is a double-pole, double-throw toggle switch, also known as a double-break toggle switch. The switch is rated at 10 Amps AC at 250V and is also suitable for DC applications. It is commonly used in simple applications, such as turning lights on and off, reversing motors, and controlling electrical circuits.

Working Principle of ST21L2HZQ

The ST21L2HZQ toggle switch is a double-pole, double-throw switch that operates with a toggle lever mechanism. When the lever is flipped up or down, two separate circuits or two separate poles are simultaneously connected or disconnected. When the lever is in the up position, power is provided to the top circuit and the bottom circuit is disconnected. When the lever is in the down position, power is provided to the bottom circuit and the top circuit is disconnected. When the lever is in the center position, the connection between both circuits is interrupted. The toggle lever mechanism is made up of a spring-loaded contact that connects two metal terminals when the lever is in one of the up or down positions. The metal terminals are connected to the external circuit, allowing the current to flow through the switch and thereby activate the circuit.

Application of ST21L2HZQ

The ST21L2HZQ toggle switch is a double-pole, double-throw switch suitable for DC and AC power supplies. This type of switch is ideal for simple applications, such as controlling electrical circuits, reversing motors, and turning lights on and off. The ST21L2HZQ is also used in more complex applications, such as controlling many sets of lights or a group of appliances in a house or workplace. For example, it can be used to control a large number of lights in order to easily adjust the brightness in a room. It can also be used to activate and deactivate many sets of appliances. This type of switch is also commonly found in applications like industrial automation and robotics.

Conclusion

Toggle switches are a type of electromechanical device used to control electrical circuits or applications. The ST21L2HZQ is a type of double-pole, double-throw toggle switch that is manufactured by Guangdong Wenzhou Silver Spring Industrial Co., Ltd. This switch is suitable for both AC and DC applications and can be used in simple applications, such as turning lights on and off, reversing motors, and controlling electrical circuits. It can also be used in more complex applications, such as controlling multiple sets of lights or appliances.

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