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A safety relay is an automation device that monitors for potential errors or faults in machinery or plants and works to prevent injury and reduce risk. If an error occurs, the safety relay initiates the appropriate response to reduce the risk and bring the environment back to a safe, acceptable level.Monitoring processes using safety relays protects both the machinery and the employees, prevents potentially expensive maintenance and equipment replacement, and reduces risk of human injury. Example functions include initiating a controlled pause in machinery or equipment to safely stop movement until an obstacle is removed. They can also be used as an emergency stop mechanism, switching off the power to particular machinery or plants until it is safe to resume power and continue.

### What types of safety relays are there?

Safety relays can be single function or multi-function. Single function relays monitor for a specific type of activity and are programmed individually to monitor their respective tasks. Multi-function safety relays can monitor different functions and can be used in place of several single function, individual units to monitor the same number of activities. The benefits of using multi-function relays include simpler installation and less wiring as fewer individual units are needed. This also makes more economical use of panel space, additionally giving greater flexibility to make changes within the design or panel as fewer units need to be removed or repositioned.

### Where are safety relays used?

Safety relays are found across many industries where automation is used within a process or for a whole process. Anyone can integrate a safety relay within a circuit to create a safety circuit without any specific training. They are often found in the following control devices:Two hand controls, Movable guards, Light curtains, light barriers and light grids, Magnetic switches, Safety mats and pressure sensitive mats, Three position devices, Non-contact safety sensors, Safety switches, Emergency stop buttons



Browse our range of Safety Relays. For monitoring and detecting faults. Place your order today for our Safety Relays.

Safety Relays | RS

Safety Relays

Wieland SNO 4083 Safety Monitoring Safety Relay Dual-Channel, 3...

Wieland SNO 4062KM Safety Monitoring Safety Relay Dual-Channel, 2...

Wieland SNV 4076SL Safety Monitoring Safety Relay Dual-Channel, 7...

Wieland SNA 4063K Safety Monitoring Safety Relay Dual-Channel, 3...

Wieland SNA 4043K Safety Monitoring Safety Relay Dual-Channel, 3...

Wieland SNV 4063KL Safety Monitoring Safety Relay Dual-Channel, 3...

Buy our range of from our selection of safety relays from Siemen'ss. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

Siemens Safety Relays | RS

Buy from our selection of safety relays from Ag. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

Ag Safety Relays | RS Components

Buy Eaton Safety Relays from RS. Browse the latest Safety Relays by Eaton. With free next day delivery!

Eaton Safety Relays | RS

Buy Phoenix Contact Safety Relays. Browse our latest Phoenix Contact Safety Relays offers.

Phoenix Contact Safety Relays | RS

Buy Dold Safety Relays. Browse our latest Dold Safety Relays offers. Free Next Day Delivery.

Dold Safety Relays | RS

Buy Schneider Electric Safety Relays. Browse our latest Schneider Electric Safety Relays offers. Free Next Day Delivery.

Schneider Electric Safety Relays | RS

Buy from our selection of Safety Relays from Sick. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

Sick Safety Relays | RS

Buy Wieland Safety Relays. Browse our latest Wieland Safety Relays offers. Free Next Day Delivery.

Wieland Safety Relays | RS

Buy Guardmaster Safety Relays. Browse our latest Guardmaster Safety Relay offers. Free Next Day Delivery.

Guardmaster Safety Relays | RS

Rockwell Automations Allen Bradley Guardmaster range provides a range of safety relays that are integral to workplace safety in industrial automation environments. Allen Bradley are a trusted name for machine guarding components in many industries, particularly their Guardmaster range. RS Components combines excellent customer service with Rockwells sterling reputation to provide a range of single function and multi-function safety relay. Safety relays monitors for potential errors or faults in machinery or plants and works to prevent injury and reduce risk. When an error occurs, the safety relay initiates a response to bring the risk back to a safe level. To this end, safety relays protect both machine integrity and employee health and safety, preventing potential expensive maintenance and ensuring worker welfare. Safety relays are often found in devices like movable guards, emergency stops and magnetic switches.

Browse our latest Pilz Safety Relays offer. Place your order today for our Pilz Safety Relays.

Pilz Safety Relays | RS

Pilz is a market leader with its PNOZ safety relays, proving themselves in applications worldwide. Pilz pride themselves on their safety technology and high-quality safety relays.Safety relays monitor safety functions such as emergency stop, safety gates, light barriers, light curtains, two-handed controls, and much more.The PNOZ safety relay offers the user considerable benefits ensuring it is cost effective to use.<h2>Benefits of PNOZ Safety Relays</h2><ul><li>One of the leading brands within automation technology</li><li>Fewer accidents due to targeted control of hazardous movements</li><li>The appropriate solution for each application</li><li>Minimal downtime for plants and machinery</li><li>Maximum safety with minimum space requirements</li><li>Simple wiring and fast commissioning</li><li>Long service life and high availability</li><li>Guaranteed quality and certified safety</li></ul>We have a wide range of Pilz safety relays, and through proven reliability and robustness, we are sure you will find the right safety product for you.

Buy Omron Safety Relays. Browse our latest Omron Safety Relays offers. Free Next Day Delivery.

Omron Safety Relays | RS

Safety relays are devices which look for potential issues within a plant, machine or other system and carry out tasks to ensure safe operation, where necessary. As a first line of defence against unsafe working and accidents they are especially important – keeping staff safe and operations running. Safety relays are generally quick and easy to install and use, and are available in single and multi-function varieties.You'll find safety relays used just about anywhere people and machinery come together. Industrial functions and applications include:<ul><li> Emergency Stop Buttons</li><li> Light Curtains</li><li> Safety Switches and Interlocks</li><li> Two Hand Controls</li></ul>With almost 100 years experience of working in electronics, OMRON know how important it is to safely integrate people with machinery. That's why they're market leaders in machine safety. They offer a comprehensive range of options to suit all locations and take pride in their credentials in this field. Here at RS we have a great selection of Omron Safety Relays to choose from.The OMRON G9SE Safety Relays are compact and easy to install and can be used to run everything from emergency stop controls to light curtains to interlocks. They have a slim design, measuring just 17.5-22.5mm – perfect when space is at a premium. These relays feature 2 or 4 safety outputs and some G9SE models allow for a safety delay. Push-in Plus connections mean no tools are required for wiring – making set up even quicker and easier. They are often used in manufacturing and packaging as well as for safely operating lifts and escalators.The OMRON G9SA Safety Relays can be used in a number of ways. The 301 and 501 versions feature 3 and 5 safety contacts respectively and are used to control emergency stop functions, while the 321 varieties feature an emergency stop delay where required to allow for a safe stopping procedure. There is also a two-handed option. These G9SA units can be mounted with DIN track or screws.OMRON G9SB Relays are ultra slim – freeing up vital space. These safety relays also control emergency stop functions and feature 2 or 3 safety contacts.To keep your people safe and your operations running smoothly browse our range of OMRON Safety Relays, and find the perfect fit for your application.

Buy Weidmuller Safety Relays. Browse our latest Weidmuller Safety Relays offer. Free Next Day Delivery!

Weidmuller Safety Relays | RS

Discover peace of mind with Weidmuller's advanced Safety Relays, meticulously engineered to guarantee unparalleled protection in industrial environments. Our cutting-edge technology is designed to meticulously monitor and manage safety-critical processes, providing a robust shield against potential hazards.With a focus on reliability and durability, Weidmuller Safety Relays incorporate a comprehensive range of features, including fault detection, emergency shutdown capabilities, and rapid response times. These essential components play a pivotal role in safeguarding personnel and machinery, adhering to the highest safety standards.Weidmuller takes pride in the seamless integration of innovative design and state-of-the-art functionality, ensuring that your operations run smoothly without compromising safety. Trust in Weidmuller Safety Relays for a dependable and efficient safety solution, tailored to meet the stringent demands of modern industrial settings.Enhance your safety protocols with Weidmuller, where precision and reliability come together to safeguard your workplace.

Buy from our range of ABB Jokab Safety relays. At RS, our aim is to give you the best offers with free next day delivery.

ABB Jokab Safety Relays | RS

ABB Jokab safety relays effectively survey machinery for any errors that could potentially cause injury to workers and equipment. Jokab safety relays are important devices when it comes to workplace safety. They are suitable for use in many industrial applications and some examples of where they can be effectively installed include emergency stops, chemical plants, assembly factories, mining applications, the manufacturing industry, and much more.<h2>How does an ABB Jokab safety relay work?</h2>An ABB Jokab safety relay will monitor machinery for any faults and will immediately halt equipment if a hazard is detected. Using a safety relay will prevent expensive maintenance to repair, or in some cases replace, machinery. ABB Jokab safety relays can also be used as emergency stops, switching off the power to machinery when required, until it is safe for work to continue.

Buy from our range of ABB safety relays. At RS, our aim is to give you the best offers with free next day delivery.

ABB Safety Relays | RS

ABB safety relays monitor machinery for potential errors, working to prevent injuries and reduce risks. Using an ABB safety relay is imperative to ensure that employees are protected from potential injury, and the expense of repairing, or replacing, machinery is avoided. ABB safety relays are suitable for use in several industrial fields including the oil and gas industry, chemical plants, security systems, food packaging applications, and much more.<h2>How does an ABB safety relay work?</h2>If an ABB safety relay detects an error, it will initiate a response to reduce the risk and ensure the environment becomes stable and safe. ABB safety relays generally have a long mechanical life, often lasting for up to 10 million operations, so the cost of service is low and they can be reliably used for a long period of time.

Wieland Safety Relays

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