
Allicdata Part #: | A421S1YZ3Q-ND |
Manufacturer Part#: |
A421S1YZ3Q |
Price: | $ 27.58 |
Product Category: | Switches |
Manufacturer: | Electroswitch |
Short Description: | SWITCH TOGGLE 4PDT 6A 125V |
More Detail: | Toggle Switch 4PDT Panel Mount |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | $ 25.07400 |
Illumination Type, Color: | -- |
Electrical Life: | 60,000 Cycles |
Actuator Material: | Brass, Chrome Plated |
Operating Temperature: | -30°C ~ 90°C |
Features: | Epoxy Sealed Terminals |
Ingress Protection: | -- |
Bushing Thread: | 1/4-40 |
Panel Cutout Dimensions: | -- |
Termination Style: | Solder Lug |
Mounting Type: | Panel Mount |
Illumination Voltage (Nominal): | -- |
Series: | A |
Illumination: | Non-Illuminated |
Actuator Length: | 10.41mm |
Actuator Type: | Standard Round |
Voltage Rating - DC: | 28V |
Voltage Rating - AC: | 125V |
Current Rating: | 6A (AC/DC) |
Switch Function: | On-Off-On |
Circuit: | 4PDT |
Part Status: | Active |
Packaging: | Bulk |
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A421S1YZ3Q application field and working principle
Toggle switches, also known as flip switches, are common electrical components in many devices and equipment. They can control the flow of electrical currents by connecting or disconnecting electrical circuits. The A421S1YZ3Q toggle switch is a single throw, double pole switch that has both SPST and SPDT capacities. Notably, this switch is UL, CSA and ENEC rated.
The A421S1YZ3Q toggle switch is used for electircal devices that require a manual no-load on, off or changeover operation. These switches are designed for a non-corrosive environment and are mainly used in the industry, electronics production and communications fields.
Working Principle
The A421S1YZ3Q toggle switch is an on/off device that is operated through the physical movement of a lever. This switch contains two sets of terminals, which allows it to act as either two single-pole, single-throw switches or two single-pole, double-throw switches. As such, it can control two separate circuits while being operated by the same lever, as seen in the diagram below:

When the lever is in the up position, the switch is on, the current flows from left to right, and contacts made to the top terminals (SPST contacts) will engage. When the lever is in the down position, the switch is off, no current is flowing, and contacts made to the bottom terminals will engage (SPDT contact).
Applications
The A421S1YZ3Q toggle switch is suitable for a wide range of applications. It can be used in commercial and industrial equipment to provide on/off control of electrical devices such as lighting and motors, as well as more complex applications such as sound and light modulation. The A421S1YZ3Q switch is used extensively in the automotive industry, particularly in car stereos, climate controls and dashboard instruments, where multiple switches need to be activated in order to control a single device.
In addition to industrial and automotive applications, the A421S1YZ3Q switch is commonly used in home audio systems, video game consoles and other consumer electronics, as these applications rely on multiple switches for operation. The A421S1YZ3Q switch is also used in factory automation, machinery and robotics, where multiple circuits need to be connected in order to activate a single machine or robot.
Conclusion
The A421S1YZ3Q toggle switch is a versatile component that is suitable for a variety of applications. Its ability to connect and disconnect electrical circuits makes it an ideal component for controlling electrical devices in industrial, automotive, home audio and video game applications.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
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A42180-R | Seoul Semico... | 0.99 $ | 1000 | LED AMBER 590NM WTR CLR S... |
A421S1YZ3Q | Electroswitc... | 27.58 $ | 1000 | SWITCH TOGGLE 4PDT 6A 125... |
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