Electrical Components for Industrial Automation
S&T Automation offers a wide selection of industrial electrical components: switches, relays, power supplies, contactors and protection modules, all designed to ensure safety, reliability and operational continuity in any automated system. Through partnerships with leading industry brands, we provide customized solutions and qualified technical support for the optimal integration of your electrical systems.
Request a personalized quote today and discover how S&T Automation can help enhance the performance of your industrial plants.
Industrial electrical components: functions, benefits and applications
Industrial electrical components form the core of every automation system. They are responsible for distributing, controlling and protecting the electrical energy that powers machinery, production lines and complex facilities.
Key components include switches, relays, contactors, power supplies, terminal blocks and protection modules – all essential to ensuring safety, operational continuity and accuracy in industrial processes.
Thanks to their reliability and versatility, electrical components are used across a wide range of applications: from process automation to robotics, as well as energy management and infrastructure control.
S&T Automation provides tailored solutions and specialized technical consulting to help you select the most suitable electrical components for your plant, ensuring efficiency, regulatory compliance and seamless integration with existing systems.
Types of electrical components
Our selection of industrial electrical components meets the full requirements of modern automation systems. We offer reliable, certified products that comply with current regulations, designed to guarantee safety, operational continuity and maximum energy efficiency in every application. Below are the main categories available.
Essential devices for protecting lines and machinery from overloads or short circuits, ensuring safety and operational continuity.
Used to control motors and power circuits, they allow fast and reliable opening and closing of electrical circuits.
Control components that manage low-current signals and commands to activate power circuits or safety functions.
Converters that provide stable, constant voltage, essential for the proper operation of PLCs, sensors and control modules.
Devices that adjust voltage levels to meet different power requirements in industrial installations.
Components that protect systems and electronic equipment from voltage spikes caused by lightning or electrical disturbances.
Programmable logic control units that manage processes, signals and communication between different parts of the plant.
Components that ensure reliable, organized connections, guaranteeing stable transmission of power and signals.
Solutions that provide safe cable connections and efficient power distribution within electrical panels and automation systems.
Simple yet essential protective elements designed to interrupt the circuit in case of overload, preventing equipment damage.
Leading brands of electrical components
In the industrial automation sector, the quality of electrical components is crucial to ensuring safety, precision and operational continuity. Some manufacturers stand out for the reliability of their solutions, technological innovation and high energy efficiency, helping guarantee optimal performance even in the most demanding applications.
Siemens
A global leader in electrical engineering, Siemens offers a wide range of circuit breakers, contactors, relays and distribution systems. Its products ensure maximum reliability, energy efficiency and full compliance with the most rigorous industrial standards.
ABB
Recognized for excellence in electrical technology, ABB develops advanced solutions for protection, control and energy management. Its components deliver high performance and safety in every type of industrial installation.
Telemecanique
A historic brand in the electrical sector, Telemecanique stands out for the quality of its contactors, sensors and control switches. It offers reliable, intuitive solutions ideal for automation and the protection of industrial systems.
Omron
A specialist in electrical automation and control, Omron provides high-performance relays, power supplies and safety modules. Its devices combine Japanese precision with smart technologies to ensure stable and secure operation of industrial plants.
Mitsubishi Electric
Synonymous with innovation and durability, Mitsubishi Electric produces high-quality electrical components and command devices. Its automation solutions guarantee efficiency, reliability and long operational life.
Beckhoff
A key reference in industrial automation, Beckhoff integrates I/O modules, controllers and intelligent electrical devices into its systems. Its open and scalable solutions enable complete and precise control of industrial processes.
We ship high-quality components from top brands for industrial automation and robotics across both national and international territories.
We offer customized maintenance solutions to address a wide variety of issues. Our team of experts is at your service to assist with troubleshooting, spare part identification, and emergency response.
Forniamo una vasta gamma di ricambi per l'automazione industriale e la robotica, garantendo velocità, professionalità e concorrenzialità sui prezzi.
Collaboriamo con aziende leader nel settore per offrire servizi di riparazione con ricambi originali. Richiedi un preventivo tramite il nostro form dedicato e scopri la qualità delle nostre riparazioni.
We provide a wide range of spare parts for industrial automation and robotics, ensuring speed, professionalism, and competitive pricing.
We collaborate with industry-leading companies to offer repair services using original parts. Request a quote through our dedicated form and experience the quality of our repair solutions.
Why choose S&T Automation for your electrical components
Certified high-quality electrical components. We are authorized distributors of leading international brands, offering high-performance industrial electrical components for automation systems, control panels and power distribution networks. All products comply with European safety standards and guarantee long-term efficiency, precision and reliability.
Global market presence. Our commercial network—supported by recognition from the Ministry of Foreign Affairs and ICE—allows us to supply electrical solutions worldwide, supporting Italian SMEs in their growth and internationalization.
Experience and reliability. With over five years of experience in the sector, we provide certified electrical components and qualified technical consulting, becoming a trusted partner for companies that prioritize safety, continuity and innovation.
Competitive value for money. We offer electrical components that combine excellent build quality with competitive costs, ensuring the best balance between performance, durability and investment.
Comprehensive technical support. From initial consultation to post-sales maintenance, our team provides specialized assistance to optimize electrical systems and installations, ensuring perfect integration and maximum operational efficiency.
F.A.Q.
The selection depends on power requirements, load type, environmental conditions and the required protection level (IP rating, insulation, temperature). It is also essential to consider compatibility between PLCs, I/O modules and power devices. S&T Automation provides technical consulting to help you choose components compliant with CE and IEC standards, ensuring system safety and efficiency.
A circuit breaker protects the circuit from overloads and short circuits by interrupting the current flow, while a contactor is designed for frequent opening and closing of power circuits, such as motor control.
In a modern system, both work together to ensure continuity and optimal protection.
Protection is achieved by installing SPD (Surge Protection Devices) modules and EMC filters at key points of the system. These components dissipate excess energy and reduce interference caused by voltage fluctuations or indirect lightning strikes. Proper SPD integration is a fundamental part of electrical system design.
Leading brands such as Siemens and ABB guarantee components tested for millions of cycles, with superior insulation materials, high mechanical precision and full compatibility with advanced automation systems.
They also provide traceability, international certifications and continuous technical support — essential elements for mission-critical industrial systems.
Efficiency can be increased by using high-efficiency power supplies (≥ 92%), low-consumption relays, low-loss transformers and integrated energy-monitoring systems. S&T Automation helps implement smart solutions to reduce energy usage, extend component lifespan and improve operational sustainability.
Yes. S&T Automation offers complete technical support — from system design to scheduled maintenance and fast component replacement in case of failure. Our warehouse and network of international partners ensure immediate availability and operational continuity for any type of industrial installation.
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