Controls & IoT

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Controls & IoT

Compact controllers, PLCs, sensors and IoT components for building automation, smart home and industrial applications – featuring brands such as Siemens, Loxone, Shelly, Phoenix Contact and Sauter.

In this category you will find controls, PLC systems, IoT accessories, sensors, probes and components for remote monitoring – from compact controllers such as the Siemens LOGO! and flexible smart home solutions from Loxone and Shelly to industrial PLC systems from Phoenix Contact, WAGO and Beckhoff. Whether you want to set up your building automation, remotely monitor your heating system or smartly retrofit existing devices: The range offers suitable products for beginners, experienced system integrators and technically skilled DIY enthusiasts in Switzerland – with fast delivery to the whole of Switzerland and the Principality of Liechtenstein.

Buy controls & IoT components online – for building automation and industry

Whether you want to buy compact controllers and PLCs online, find smart home components for your home or order industrial control technology: The range covers programmable logic controllers, I/O modules, bus terminals, sensors, probes and IoT accessories for wireless networking. From Swiss brands such as Sauter and Belimo to established international manufacturers such as Siemens, ABB and Schneider Electric to innovative IoT specialists such as Shelly and Sonoff – here you will find the right components for your project, whether you are an electrical installer, system integrator, facility manager or technically savvy builder.

Compact controllers, PLCs and accessories for every project

Compact controllers such as the Siemens LOGO! or Phoenix Contact PLCnext are ideal for manageable automation tasks in building technology, gate and door controls or lighting control. For more complex industrial applications, powerful PLC systems from WAGO, Beckhoff and Schneider Electric are available, which can be flexibly expanded with matching I/O modules, bus terminals and communication interfaces. Complementary accessories such as power supplies, connection cables and programming devices round off the range.

Remote monitoring, sensors and IoT accessories

The area of remote monitoring and sensor technology opens up a wide range of possibilities: With temperature and humidity sensors, presence detectors, CO2 sensors and brightness sensors, rooms can be controlled as needed and energy costs can be reduced. IoT accessories such as smart switching relays, intermediate plugs and Zigbee bridges enable the wireless networking of existing devices and systems. Systems with a web interface and app connectivity ensure visual monitoring and data analysis, allowing access at any time while on the move.

Category overview
SubcategoryExample products
Compact Controllers & PLCs Siemens LOGO! 8.3 Basic Module, Phoenix Contact PLCnext Control AXC F 1152
Remote Monitoring & Remote Control Loxone Miniserver Compact, Sauter EY-modulo 5 Visualization
Sensors & Measuring Probes Theben HTS Temperature Sensor, Elsner KNX Temperature/Humidity Sensor
IoT Accessories Shelly Plus 1 Smart Switching Relay, Sonoff Zigbee Bridge Pro
Compact Controllers & PLC Accessories WAGO I/O Module 750-400, Beckhoff Bus Terminal KL1104
Brand comparison
BrandKnown forIdeal forPrice segment
Siemens PLCs & LOGO! compact controllers Industrial & building automation Mid – Premium
Loxone Smart home automation & Miniserver Private households & residential construction Mid – Premium
Shelly Smart switches & IoT devices Beginners, retrofit solutions Entry – Mid
Phoenix Contact PLCs, terminal blocks & industrial connectors Industrial automation & control cabinet construction Mid – Premium
WAGO Spring clamp terminals & I/O systems Building & industrial automation Mid – Premium
Theben Time switches & presence detectors Building automation & energy efficiency Mid
Sauter Building automation & HVAC control Commercial & functional buildings Premium
Belimo Actuators & valves for HVAC Heating, ventilation & air conditioning control Mid – Premium
Who is this category suitable for?

The category is ideal for electrical installers, system integrators, facility managers and technically savvy builders in Switzerland looking for controls and IoT components for building automation, smart home projects or industrial applications. Likewise, technically interested DIY enthusiasts who want to smartly retrofit existing devices or get started with PLC programming will find a wide selection of products that are often only available to a limited extent in local specialist retailers.

Quality, safety & product selection

When purchasing controls and IoT components, it is worth paying attention to certified quality products with recognized test marks, clear manufacturer specifications on protocols and interfaces, and sufficient documentation and support – this ensures that the components work together reliably and comply with applicable standards and safety regulations.

Frequently asked questions
What is the difference between a PLC and a compact controller?
A PLC (Programmable Logic Controller) is designed for complex industrial automation tasks with many inputs and outputs, whereas a compact controller like the Siemens LOGO! is more compact and ideally suited for simpler tasks in building technology, gate control or lighting control. Compact controllers are often more cost-effective and easier to program.
Which controller is suitable for home building automation?
Systems such as Loxone, Homematic IP or Shelly are particularly suitable for building automation in private homes. While Loxone, as a central solution with a Miniserver, networks all trades, Shelly and Homematic IP offer flexible, often wireless retrofit solutions for lighting, shading and heating that can also be expanded step by step.
Can I retrofit existing devices with IoT accessories?
Yes, with IoT accessories such as smart intermediate plugs, switching relays and sensor modules from Shelly, Sonoff or Homematic IP, many existing devices and systems can be subsequently networked. It is important to pay attention to compatibility with the existing electrical installation and the supported wireless protocols such as WLAN, Zigbee or Z-Wave.
Which sensors do I need for a smart home system?
The basis is usually temperature and humidity sensors for the indoor climate, presence detectors and motion detectors for lighting control, and door/window contacts for security. Depending on the application, CO2 sensors for ventilation control, brightness sensors for blind control and water or leakage sensors are added. Brands such as Theben, Elsner and Sauter offer reliable sensors for this purpose.
Are the controllers also suitable for industrial applications?
Yes, many controllers in this category are also suitable for industrial applications. Siemens PLC systems, Phoenix Contact PLCnext and WAGO I/O systems are specially designed for industrial use and support common fieldbus protocols such as PROFINET, Modbus TCP and EtherCAT. Compact controllers such as the Siemens LOGO! are also frequently used in small machines, pump controls or in agricultural automation.
Which protocol is better – KNX, Modbus or MQTT?
That depends on the area of application: KNX is a proven, manufacturer-independent standard for building automation with a wired bus line. Modbus is a simple, robust protocol that is particularly widespread in industry and HVAC systems. MQTT is particularly suitable for IoT applications and cloud connectivity, as it is lightweight and works efficiently with small amounts of data. Many modern controllers support multiple protocols simultaneously.
What do I need for remote monitoring of my heating system?
For remote monitoring of a heating system, you need a controller with a network connection, compatible temperature sensors and, depending on the type of heating, suitable actuators and valves. Systems from Sauter or Belimo offer sophisticated solutions specifically developed for the HVAC sector. Visualization is then carried out via a web interface or an app.
Which accessories are useful for getting started with PLC programming?
To get started, a starter kit for a compact controller such as the Siemens LOGO! or a WAGO controller with matching I/O modules is recommended. In addition, you need programming software (often free of charge), a power supply unit, connection cables and small practice setups with buttons, lights or simple sensors for testing the first programs.