Herga General Purpose Momentary Foot Switch - Thermoplastic Case Material, SPDT, 3 A@ 250 V ac Contact Current, 250V

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Herga General Purpose Momentary Foot Switch - Glass Filled Nylon 66 Case Material, SPDT, 3 A Contact Current, 250V

Herga Momentary On-Off Foot Switch - DP-CO, 6 A Contact Current, 250V Contact Voltage

Herga General Purpose Momentary Foot Switch - 16 SWG Mild Steel Case Material, 2 X SPSTN/O, 3 A@ 24 V dc, 3 A@ 250 V ac

Herga Medically Approved Foot Switch Bellow Momentary Foot Switch - PVC Case Material, SPST, 50 mA Contact Current


Foot switches are a rugged electric switch that is operated by foot pressure on a pedal to change contacts within an electrical circuit. They are often used on large machinery where hand operated switches are a safety concern, such as industrial presses, power saws or conveyor belts. Some foot switches come with guard covers and feature various cable lengths, colours and contact configurations to meet a number of different requirements.

## **Foot Pedal Switch Types**

Foot switches typically come in two main operating types: Maintained (or latching) and momentary. Maintained foot switches activate when pressed, and remain in that position until pressed again, effectively toggling between on and off states. Momentary foot switches, on the other hand, require continuous pressure to stay activated; releasing the pedal resets the switch to its original state.

### **Maintained/Latching Foot Switch**

Maintained or latching foot switches provide a convenient way to toggle a function on or off with a single press. This type of switch is ideal for applications where continuous activation is desired without the need to hold the pedal down. For example, they are commonly used in medical equipment, industrial machinery and audio/visual setups where hands-free on/off control is needed. A key advantage of maintained foot switches is their ability to free up the operator's hands for other tasks, increasing efficiency and productivity.

### **Momentary Foot Switch**

Momentary foot switches require continuous pressure to remain activated, making them ideal for safety-critical applications where control is needed only while the switch is pressed. This type of switch is found on power tools or industrial equipment, as releasing the pedal immediately stops the operation. They are also commonly found in musical instruments, welding equipment and medical devices where precise, temporary control is necessary.

### **Understanding Foot Switch Bellows **

Air operated switch systems, like those utilising foot switch bellows, offer enhanced safety in hazardous areas by allowing remote operation of electrical circuits. The [actuator](https://au.rs-online.com/web/c/mechanical-power-transmission/electric-actuators/) in these systems is a bellows which, when compressed, moves air down the air tubing to the switch element. This compressed air then expands a bellows in the switch, which operates the electrical contacts. 

This pneumatic operation of foot switch bellows provides a crucial safety advantage. When used in wet environments or where electrical switching would be dangerous due to arcing, the switch and all electrical wiring can be located outside the hazardous area. This gives the operator total electrical isolation for the equipment, creating a safer working environment. 

## **Emergency Stop Foot Switch and How It Works**

Emergency stop foot switches are crucial safety devices designed for the rapid shutdown of machinery in hazardous situations. Unlike standard foot switches used for general control, these switches prioritise immediate power disconnection to prevent injury. 

They typically feature a distinctive mushroom-shaped design, a bright red colour for easy identification and a protective housing to prevent accidental activation. When pressed, they break the electrical circuit, cutting power to the equipment and ensuring a swift and reliable shutdown in emergencies.

## **Types of Emergency Stop Foot Switches**

Emergency stop foot switches come in various configurations to suit a number of different needs and environments:

- **Number of Pedals:** Ranging from single-pedal models for individual machines, to multi-pedal setups for controlling multiple devices simultaneously.
- **Construction Materials:** Pedals and housings are typically made from durable materials like die-cast aluminium or reinforced plastic, to withstand demanding industrial conditions.
- **Protective Housings:** Some emergency stop foot switches feature housings to prevent accidental activation, while others prioritise rapid access with open designs.

## **Industrial Applications of Foot Switch**

Foot switches provide invaluable hands-free control in a number of settings, allowing operators to activate or deactivate equipment while focusing on other tasks. [Some of foot switches’ applications](https://au.rs-online.com/web/content/discovery/ideas-and-advice/foot-pedal-switches-down-under-exploring-types-and-applications) include:

- **Industrial Machinery:** For machinery like presses, drills and welding equipment, foot switches offer a safe and efficient way to maintain control while allowing operators to focus on their work.
- **Medical Equipment:** Precise and hygienic operation of surgical devices, dental chairs and other medical equipment is enabled by foot switches, freeing up the operator's hands for critical tasks.
- **Manufacturing and Assembly Lines:** Streamlining operations on assembly lines, foot switches empower workers to activate processes or move parts without disrupting their workflow.
- **Audio/Visual Equipment:** Theatres, studios, and performance venues utilise foot switches to control lighting, sound systems and other audio/visual equipment, enhancing efficiency and flexibility.
- **Robotics and Automation:** Foot switches play a key role in robotics and automation, triggering actions, initiating processes and even controlling the movement of automated guided vehicles (AGVs).

## **How to Select the Right Foot Pedal Switch**

Choosing the right foot pedal switch depends on several factors related to its intended application and operating environment. Consider these key aspects to ensure you select the most suitable switch for your needs:

### **Operating Type**

Determine whether you need a maintained/latching or momentary foot switch. Maintained switches toggle between on and off states with each press, while momentary switches require continuous pressure to remain activated.

### **Electrical Ratings**

Ensure the foot switch's electrical ratings — including voltage and current capacity — are compatible with your application requirements. Using a switch with inadequate ratings can lead to premature failure or even safety hazards.

### **Environmental Considerations**

Consider the environment in which the foot switch will be used. If it will be exposed to moisture, dust or corrosive substances, choose a switch with appropriate ingress protection (IP) ratings.

### **Safety Features**

For applications where safety is paramount, consider features like emergency stop functionality, protective guards to prevent accidental activation and non-slip pedal surfaces to enhance grip and stability.

### **Ergonomics and Comfort**

Choose a foot switch with an ergonomic design that promotes comfortable operation, especially for applications requiring prolonged use. Factors to consider include pedal size, shape and actuation force.

### **Mounting and Actuation**

Consider how the foot switch will be mounted and actuated. Options include floor mounting, bench mounting and suspended mounting. Choose a mounting style that suits your workspace and application.

## **Trusted Pedal Switch Manufacturer, Supplier and Distributor in Australia**

When it comes to reliable and high-quality foot switches, RS Australia is your trusted partner. We offer an extensive selection of foot switches from industry-leading brands like [Schneider Electric](https://au.rs-online.com/web/b/schneider-electric/), [Siemens](https://au.rs-online.com/web/b/siemens/) and [Lovato](https://au.rs-online.com/web/b/lovato), ensuring durability and performance for diverse applications. 

We also offer other hands-free equipment like [pull wire switches](https://au.rs-online.com/web/c/switches/rope-pull-switches-components/rope-pull-switches/) and [cable clamps](https://au.rs-online.com/web/c/cables-wires/cable-ties-fixings/cable-clips-clamps/). Explore our range today, and discover how RS Australia can help enhance the safety and efficiency of your operations with our top-of-the-line foot switches.

## **Buy Electric Foot Switch from RS**

Take a look at our selection online, choose the perfect foot switch for your needs, and enjoy a secure and convenient checkout process. Once your order is confirmed, you’ll be able to track your package right to your doorstep.

We offer fast delivery options across Australia, with flexible options to suit your schedule. For detailed information on our delivery services and costs, visit our [Delivery Information](https://au.rs-online.com/web/content/support/all-articles/delivery) page today.



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