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Guide to Rocker Switches

A Guide to Rocker Switches

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What is a Rocker Switch?

A rocker switch is an electrical switch that rocks back and forth when pressed, which means one side of the switch is raised while the other side is depressed. This action either opens or closes the electrical circuit. Rocker switches are commonly used for power switches on electronic devices and are easily identifiable by their shallow-dipping seesaw mechanism. They often come with an “on” and “off” label and may sometimes include an indicator light to show when the circuit is active. They can be designed for various applications, including low-voltage electronics or high-current mains circuits, and can come in various sizes, shapes, and colors to suit different functions and aesthetics.

Guide to Rocker Switches
switch waterproof cover

Switch Waterproof Cover

A switch waterproof cover is a protective casing designed to shield an electrical switch from water and other environmental elements. This cover helps prevent moisture ingress that can lead to electrical shorts or corrosion of the switch components. Such covers are commonly used in outdoor settings, bathrooms, or in industrial environments where water exposure is likely. They often feature a durable plastic or rubber material and may come as a flip-up lid or a sealed enclosure, ensuring that the switch remains functional and safe to operate even when exposed to water. Waterproof covers are essential for maintaining the safety and longevity of electrical switches in harsh or wet conditions.

What are Rocker Switches Used for?

Rocker switches are user-interface controls commonly used in electrical power systems to toggle the flow of electricity between on and off positions. They are named for their rocking motion when pressed, one side of the switch protrudes while the other retracts. Their design allows for easy operation, offering a visible indication of status—up or down, on or off. Rocker switches are versatile and found in a variety of applications, from consumer electronics and appliances to industrial machinery and automotive panels. They often come with markings or illuminated indicators to signal their state and can vary in size, current rating, and protection level to suit specific needs.

24 Volt 30 Amp Rocker Switch
How Does a Rocker Switch Work

How Does a Rocker Switch Work?

A rocker switch is an electrical switch that rocks back and forth when pressed, which connects or disconnects an electrical circuit. It has a seesaw action; when one side is pressed down, the opposite side rises, similar to a seesaw on a playground. One side of the switch is the “on” position, allowing current to flow through the circuit, and the other side is the “off” position, interrupting the current flow. Rocker switches are often used in applications where a simple control for power is needed and can be found in a variety of devices such as power supplies, surge protectors, and many types of household appliances. They are user-friendly with an easy-to-see operational position and are designed to handle a specified amount of current and voltage.

Sub-Mini Rocker Switches

Rating: 3A 125VAC; 1.5A 250VAC

Contact Resistance: 20mΩ max

Insulation Resistance: 500VDC 1000MΩ min

Dielectric strength: 1000VAC, 1 Minute

Operating Temperature: -25℃ to +85℃

Electrical Life: ≥50,000 Cycles

Lighted Rocker Switch 12v
240VAC 30 Amp Rocker Switch

Miniature Rocker Switches

Rating: 6A 125VAC; 3A 250VAC

Contact Resistance: 20mΩ max

Insulation Resistance: 500VDC 1000MΩ min

Dielectric strength: 1500VAC, 1 Minute

Operating Temperature: -25℃ to +85℃

Electrical Life: ≥50,000 Cycles

Medium Rocker Switches

Rating: 10A 125VAC; 6A 250VAC

Contact Resistance: 20mΩ max

Insulation Resistance: 500VDC 1000MΩ min

Dielectric strength: 1500VAC, 1 Minute

Operating Temperature: -25℃ to +85℃

Electrical Life: ≥50,000 Cycles

Round Rocker Switch 12v
24 Volt 30 Amp Rocker Switch

Large Rocker Switches

Rating: 15A 125VAC; 10A 250VAC

Contact Resistance: 20mΩ max

Insulation Resistance: 500VDC 1000MΩ min

Dielectric strength: 1500VAC, 1 Minute

Operating Temperature: -25℃ to +85℃

Electrical Life: ≥10,000 Cycles

Large Rocker Switches

Rating: 20A 125VAC; 15A 250VAC

Contact Resistance: 20mΩ max

Insulation Resistance: 500VDC 1000MΩ min

Dielectric strength: 1500VAC, 1 Minute

Operating Temperature: -25℃ to +85℃

Electrical Life: ≥50,000 Cycles

12 Volt 30 Amp Rocker Switch
30 Amp Rocker Switches

30 Amp Rocker Switches

Rating: 30A 250VAC

Contact Resistance: 20mΩ max

Insulation Resistance: 500VDC 1000MΩ min

Dielectric strength: 1500VAC, 1 Minute

Operating Temperature: -25℃ to +85℃

Electrical Life: ≥50,000 Cycles

Rocker Switch Positions: Poles and Throws

Single Pole Single Throw
Double Pole Double Throw
  1. Rocker switches are common components in electrical systems, used for turning power on and off or for switching between different circuits. Understanding their positions involves knowing about poles and throws, two key concepts in the design of these switches.

    1. Poles: A “pole” refers to the number of separate circuits that the switch can control. Each pole is a separate electrical circuit. For example, a single-pole switch controls one circuit, and a double-pole switch controls two separate circuits independently.
    2. Throws: A “throw” indicates the number of positions that each pole can connect to. For example, a single-throw switch (ST) has one position (on or off), while a double-throw switch (DT) can connect to one of two positions.

    Combining these, you get different types of rocker switches:

    • SPST (Single Pole Single Throw): This is the simplest type, functioning as a basic on/off switch controlling one circuit.
    • SPDT (Single Pole Double Throw): This switch controls one circuit but can toggle between two positions, commonly used to switch between two different circuits or states.
    • DPST (Double Pole Single Throw): This switch controls two circuits simultaneously, operating them with a single on/off action.
    • DPDT (Double Pole Double Throw): This switch controls two circuits and can toggle each between two positions. It’s like having two SPDT switches controlled by a single mechanism.

    The positions of a rocker switch are typically labeled or indicated by the physical design. For example, an SPST switch might simply be labeled “On” and “Off”, while a DPDT switch might have more complex labeling to indicate its multiple functions.

Rocker Switches VS Toggle Switches

rocker switch
Rocker Switches: 

Rocker switches operate using a seesaw motion; when one side is pressed, the other rises. They often have a “on” and “off” label and can easily be operated with a simple push, making them user-friendly. Rocker switches are typically used for household appliances and are favored for their sleek design which allows them to sit flush with the surface they are mounted on.

toggle switch
Toggle Switches: 

Toggle switches feature a lever that is manually pushed up or down to open or close the electrical circuit. They provide a clear visual indication of whether the switch is in the “on” or “off” position and are commonly used in industrial and automotive applications due to their durability and straightforward operation. Toggle switches can handle a variety of electrical loads and are available in many different styles and sizes.

Rocker Switch Types - Switching Options

Rocker Light Switch
Rocker Light Switch

A rocker light switch is an electrical switch featuring a flat panel, or “rocker,” that rocks back and forth to turn a light, or another electrical device, on and off. Pressing one side of the rocker raises the other, closing or opening the electrical circuit.

Windlass Marine Rocker Switch
Boat Rocker Switch

A Boat Rocker Switch is an electrical toggle switch commonly installed in boats to operate various equipment. It rocks back and forth when pressed, closing or opening an electrical circuit to activate or deactivate devices like lights, pumps, or engines.

Carling Rocker Switch
Carling Rocker Switch

A Carling Rocker Switch is an electromechanical device used to open or close an electrical circuit. It features a seesaw-like actuator that users press on one side to switch between on/off states, often indicated by “I/O” symbols, and it can come in various configurations for different applications.

UNDWTR LIGHTS Marine Rocker Switch
Marine Rocker Switch

A Marine Rocker Switch is a durable on/off switch commonly installed on boats to control various electrical circuits. Designed to withstand harsh marine environments, it typically features a waterproof and corrosion-resistant construction, with an easy-to-use rocking mechanism for toggling settings.

KCD4 30 Amp Rocker Switch DPDT Welding Machine
Momentary Rocker Switch

A momentary rocker switch is a type of electrical switch that returns to its default position when released. It rocks from one side to the other to make or break a circuit, but it only maintains contact while being pressed, allowing for brief electrical connections.

KCD4 30 Amp Lighted Waterproof Rocker Switch SPST Welding Machine
On Off On Rocker Switch

An On-Off-On rocker switch is a type of electrical toggle switch that can connect to and control a device from one of two power sources. It has three positions: one to connect to the first power source (On), the middle position to disconnect all power (Off), and the third to connect to the second power source (On).

KCD4 30 Amp Rocker Switch DPDT Welding Machine
12v Rocker Switch

A 12v rocker switch is an electrical toggle switch that operates on a 12-volt system, commonly used in automotive and marine applications. It features a see-saw-like mechanism to open or close a circuit, allowing current to flow through when pressed to one position and stopping it when pressed to the opposite.

KCD3-101KDW SPDT ON OFF ON ROCKER SWITCH
3 Way Rocker Switch

A 3-way rocker switch is an electrical switch that allows users to control a single device from two different locations. It has three positions: on, off, and a middle neutral position. It’s typically used in lighting circuits, where flipping either switch changes the light from off to on or vice versa.

KCD2-502K4PA DOUBLE ROCKER SWITCH SPST
Double Rocker Switch

A double rocker switch is an electrical switch comprising two rocker-style actuators housed within a single unit, allowing independent control of two circuits from the same location. Each rocker is a binary switch that can be rocked between an ‘on’ and ‘off’ position.

KCD4 30 Amp Lighted Waterproof Rocker Switch SPST Welding Machine
Waterproof Rocker Switch

A waterproof rocker switch is an electrical on/off switch featuring a rocker mechanism protected against water ingress. It toggles circuit connectivity by rocking between positions and is designed to withstand exposure to moisture, making it suitable for outdoor or marine applications.

KCD11-101CK2P SPDT ON OFF MINI ROCKER SWITCH
Mini Rocker Switch

A mini rocker switch is a small, user-operated device that controls the flow of electrical current between circuits. It toggles between on/off states with a rocking motion. Widely used in electronics, it’s known for its compact size and simple installation.

KCD1-106-3P-KR On Off 12v Rocker Switch
KCD1 Switch

The KCD1 switch is a type of rocker switch, commonly used in electronics, that operates as an on/off control. It has a simple mechanism allowing users to change the switch’s state by rocking the button back and forth, breaking or completing an electrical circuit.

KCD2-502K4PA DOUBLE ROCKER SWITCH SPST
KCD2 Switch

The KCD2 Switch is a type of rocker switch commonly used for controlling electrical circuits. It features a simple on-off mechanism and is often used in consumer electronics, automotive applications, and industrial equipment to toggle power or function settings.

KCD3-101-NM On Off On 12v Rocker Switch
KCD3 Switch

KCD3 Switch is a type of rocker switch, commonly used for power control in electronic devices. It has a rectangular shape with an on-off indication and is designed for easy operation with a press-down mechanism to toggle between states. Ideal for high current applications.

KCD4-1014P RED 20A 250VAC LED BUTTON SWITCH
KCD4 Switch

The KCD4 switch is a type of heavy-duty rocker switch commonly used to control the power of electrical devices. It features a rectangular shape, an on-off-on configuration, allowing for two independent circuits to be switched simultaneously, and is often marked with I/O symbols for ease of use.

KCD1-106T-2P-KK-2 On Off 12v Rocker Switch
Custom Rocker Switches

Custom rocker switches are tailored electrical switches that rock back and forth to open or close a circuit. They offer a user-defined appearance or functionality, such as specific labels, colors, or switch configurations, and are often used in automotive, marine, or industrial settings for controlling various electronic devices.

Rocker Switches

 

Unmatched Durability and Reliability:

When it comes to choosing a switch for your equipment, reliability is non-negotiable. Our rocker switches are engineered to withstand over 50,000 cycles, ensuring consistent performance over an extended period. The robust internal mechanism is protected by a high-impact resistant outer shell, which shields against physical damage and environmental factors such as dust and moisture. This means fewer replacements, less downtime, and more confidence in the uninterrupted operation of your machinery.

Ergonomic Design for Intuitive Use:

We recognize that a switch should not only be durable but also user-friendly. Our rocker switches are designed with the user in mind, featuring a smooth and ergonomic design that promotes natural and comfortable use. The intuitive operation reduces the chance of accidental actuation, enhancing the overall safety and efficiency of your work environment. For equipment that demands frequent interaction, this ergonomic consideration ensures operators can work comfortably, reducing fatigue and increasing productivity.

Customizable to Your Specific Needs:

Every application is unique, and our rocker switches can be customized to meet the particular requirements of your product. From different colors that aid in function identification to various terminal types ensuring compatibility with your existing systems, we offer a range of options to tailor the switches to your specifications. This level of customization allows for seamless integration into your design, maintaining the aesthetic and functional integrity of your equipment.

Quick and Easy Installation:

Time is money, and our rocker switches are designed for quick and straightforward installation, minimizing setup time and getting your equipment operational faster. The snap-in mounting mechanism allows for efficient assembly without the need for specialized tools or complex procedures. This ease of installation not only saves on labor costs but also simplifies maintenance and replacement processes, ensuring that your operation runs smoothly with minimal interruption.

Energy Efficient Operation:

In a world where energy consumption is a growing concern, our rocker switches are designed to be as energy-efficient as possible. With minimal resistance and optimal conductivity, they ensure that power is not wasted through the switching mechanism, contributing to reduced operational costs and a smaller environmental footprint. By choosing our switches, you are opting for a solution that supports sustainability while maintaining high performance.

Versatile Application Across Industries:

Our rocker switches are not limited to one specific field; they are versatile enough to serve a wide array of industries, including automotive, marine, industrial machinery, and consumer electronics. This versatility is a testament to their robust design and adaptability, making them the ideal choice for any application that requires a reliable switching solution.

Superior Aesthetic Appeal:

A switch is often an overlooked component in terms of design, but we believe it plays a crucial role in the overall aesthetic of your product. Our rocker switches come with a sleek, modern design that complements any equipment style. The smooth actuation surface not only feels good to the touch but also adds a touch of sophistication to your product’s interface.

Safety Compliant:

Safety is paramount, and our rocker switches are built to meet or exceed industry safety standards. With certifications from recognized bodies, you can be confident that integrating our switches into your products aligns with both national and international safety regulations. This commitment to compliance not only protects end-users but also shields manufacturers from liability issues.

Responsive Technical Support:

Should you have any questions or need assistance with our rocker switches, our dedicated technical support team is on standby to provide you with prompt and comprehensive service. We pride ourselves on not only delivering a quality product but also ensuring that our clients receive the support they need when they need it.

Competitive Pricing Without Compromising Quality:

We understand that cost is a critical factor in any purchasing decision. Our rocker switches are competitively priced without compromising on quality or performance. By choosing our switches, you are making a cost-effective decision that does not sacrifice the longevity or reliability of your equipment’s components, ensuring you get the best return on your investment.

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