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    • Controllers


    Controllers are essential devices used to regulate and control various systems and processes in industries, buildings, and homes. These devices offer precise and reliable control over parameters such as temperature, pressure, flow, and level, ensuring optimal performance and efficiency.

    Controllers come in various types and models, each designed to cater to specific needs and applications. From basic on/off controllers to advanced programmable logic controllers (PLCs), there is a controller available for every level of automation and complexity.

    With features like digital displays, user-friendly interfaces, and programmable settings, controllers make it easy for operators to monitor and adjust settings as needed. They play a crucial role in maintaining stable and consistent operation in systems such as HVAC, manufacturing processes, and energy management.

    Whether you need a simple thermostat controller for your home or a sophisticated PLC for industrial automation, this category offers a wide range of options to meet your requirements. Choose from reputable brands like Siemens to ensure quality and reliability in your control systems.
    • Siemens RWR462.10
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      sku: RWR462.10

      Siemens RWR462.10

      Siemens RWR462.10 Superheat controller for dry expansion evaporator in refrigeration plants HS CODE: 90321020  COO: China The Siemens RWR462.10 superheat controller is an essential component for dry expansion evaporators in refrigeration plants...

      £281.81
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    • Siemens RDF660T, S55770-T434
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      sku: RDF660T

      Siemens RDF660T, S55770-T434

      Siemens RDF660T, S55770-T434 Flush-mount room thermostat for round and square conduit box with LCD for fan coil units and compressors ECM Fan output 2 or 3-position control outputs Two multifunctional inputs for keycard contact, external room / return...

      £87.18
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    • Siemens RVL482
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      sku: RVL482

      Siemens RVL482

      Siemens RVL482 Key functionsWeather-compensated flow temperature control, with or without room influence, with simultaneous demand-compensated boiler and DHW control.21 preprogrammed plant types can be selected from a combination of 5 heating...

      £805.42
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    • Siemens RVL481
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      SIEMENS

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      sku: RVL481

      Siemens RVL481

      Siemens RVL481 Key functionsWeather-compensated flow temperature control, with or without room influence, with simultaneous demand-compensated boiler and DHW control.29 preprogrammed plant types can be selected from a combination of 6 heating...

      £707.62
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    • Siemens RVL480
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      SIEMENS

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      sku: RVL480

      Siemens RVL480

      Siemens RVL480 Key functionsWeather-compensated flow temperature control, with or without room influence6 preprogrammed plant types are providedPlant system Control of a mixing valve serving a heating zone (space heating) Control of a burner (1- or...

      £604.07
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    • Siemens RVL479
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      SIEMENS

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      sku: RVL479

      Siemens RVL479

      Siemens RVL479 ApplicationHeating controller for use in all types of buildings that require specific control of a second heating zone at an attractive price.Key functionsThe RVL479 operates with a partner unit, for independent weather-compensated control...

      £487.28
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    • Siemens RDF880KN/NF, S55770-T398, Touch Screen Flush-mount Room Thermostats with KNX Communications
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      SIEMENS

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      sku: RDF880KN/NF

      Siemens RDF880KN/NF

      Siemens RDF880KN/NF, S55770-T398 Touch Screen Flush-mount Room Thermostats with KNX Communications Large display, touch screen with backlight VRF HMI: temperature setpoint, fan speed and operating mode selections 2-position (ON/OFF) temperature...

      £117.34
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    • Siemens RDF870MB, S55770-T408, Touch Screen Flush-mount PM2.5 & IAQ Controller with RS485 Modbus
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      SIEMENS

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      sku: RDF870MB

      Siemens RDF870MB

      Siemens RDF870MB, S55770-T408 Touch Screen Flush-mount PM2.5 & IAQ Controller with RS485 Modbus AC 230 V operating voltage, large, backlit display Display and setpoint adjustment for PM2.5 and CO2 control Display of room temperature, outside...

      £114.10
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    • Siemens RDF870KN, S55770-T407, Touch Screen Flush-mount PM2.5 & IAQ Controller with KNX
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      SIEMENS

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      sku: RDF870KN

      Siemens RDF870KN

      Siemens RDF870KN, S55770-T407 Touch Screen Flush-mount PM2.5 & IAQ Controller with KNX AC 230 V operating voltage, large, backlit display Display and setpoint adjustment for PM2.5 and CO2 control Display of room temperature, outside temperature,...

      £121.02
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    • Siemens RCU10
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      sku: RCU10

      Siemens RCU10

      Siemens RCU10 Universal room thermostat for 4-pipe systems, AC 230 V, positioning signal 2 pt or PWM Datasheet The Siemens RCU10 is a versatile room thermostat designed for use in 4-pipe systems. This thermostat operates on AC 230V and can be controlled...

      £50.13
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    • Siemens RDF800, S55770-T396 Touch screen room thermostat
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      SIEMENS

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      sku: RDF800

      Siemens RDF800

      Siemens RDF800, S55770-T396 Touch screen room thermostat for 2-/4- pipe fan coil, universal applications or compressors in DX-type equipment Operating modes: Comfort, Economy and Protection For heating and/or cooling applications 2 or 3-position...

      £83.89
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    • QAX31.1 Room unit with sensor, setpoint adjuster and PPS2 interface
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      SIEMENS

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      sku: QAX31.1

      Siemens QAX31.1

      Siemens QAX31.1 Room unit with sensor, setpoint adjuster and PPS2 interface Acquisition of room temperature Setpoint adjuster for room temperature Datasheet The Siemens QAX31.1 room unit is a versatile device that combines a sensor, setpoint...

      £62.43
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    • QAX30.1 Room unit with sensor and PPS2 interface
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      SIEMENS

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      sku: QAX30.1

      Siemens QAX30.1

      Siemens QAX30.1 Room unit with sensor and PPS2 interface Acquisition of room temperature Datasheet The Siemens QAX30.1 Room Unit with Sensor and PPS2 Interface is a reliable and efficient tool for monitoring room temperature. This device allows...

      £62.43
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    • Siemens RDG405KN, S55770-T348 Room thermostat for temperature and air quality control
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      SIEMENS

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      sku: RDG405KN

      Siemens RDG405KN

      Siemens RDG405KN, S55770-T348 Room thermostat for temperature and air quality control with KNX communications, AC 24 V, VAV heating and cooling systems KNX communications Output DC 0…10 V for VAV actuator and auxiliary output ON/OFF, PWM or...

      £141.22
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    • Siemens QXA2100, S55770-T375 Condensation monitor
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      SIEMENS

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      sku: QXA2100

      Siemens QXA2100

      Siemens QXA2100, S55770-T375 Condensation monitor For preventing condensation in buildings with chilled ceilings or in cooling plants. Datasheet  The Siemens QXA2100 Condensation Monitor, also known as the S55770-T375, is a must-have device for...

      £74.32
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    • Siemens QXA2101, S55770-T376 Condensation monitor
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      SIEMENS

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      sku: QXA2101

      Siemens QXA2101

      Siemens QXA2101, S55770-T376 Condensation monitor with remote sensor head (cable length 1 m) For preventing condensation in buildings with chilled ceilings or in cooling plants. Datasheet  The Siemens QXA2101 Condensation Monitor is a reliable...

      £93.53
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    • Siemens AVS75.390/101
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      sku: AVS75.390/101

      Siemens AVS75.390/101

      Siemens AVS75.390/101 Extension module, Albatros range, 2xAI, 1xUI, 3xDO, single pack Datasheet The Siemens AVS75.390/101 extension module from the Albatros range is a versatile solution for expanding the capabilities of your automation system. This...

      £126.79
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    • Siemens AVS75.370/101 Additional module for RVS controllers
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      sku: AVS75.370/101

      Siemens AVS75.370/101

      Siemens AVS75.370/101 Additional module for RVS controllers. For a mixing valve heating circuit or to enter / exit expansion for other extra functions Albatros2 Accessory Module Datasheet The Siemens AVS75.370/101 is an additional module designed for...

      £167.00
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    • Siemens AVS74.261/109
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      SIEMENS

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      sku: AVS74.261/109

      Siemens AVS74.261/109

      Siemens AVS74.261/109 Control panel for Albatros2 controllers - RVS, LMSThe Siemens AVS74.261/109 control panel is the perfect solution for controlling Albatros2 controllers with ease and precision. Designed with RVS (Remote Visualization System) and...

      £87.38
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    • Siemens AVS37.294/101
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      sku: AVS37.294/101

      Siemens AVS37.294/101

      Siemens AVS37.294/101 Datasheet The Siemens AVS37.294/101 is a versatile and reliable product designed to meet a variety of industrial needs. With a focus on quality and innovation, Siemens has created a product that is both efficient and durable...

      £119.51
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    • Siemens AGS7A.100/109
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      sku: AGS7A.100/109

      Siemens AGS7A.100/109

      Mounting box for wall mountingThe Siemens AGS7A.100/109 is a high-quality mounting box designed for wall mounting your electrical components. Made by Siemens, a trusted name in the industry, this box is built to last and provide a secure and stable...

      £71.23
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    • QAX913-9, S55621-H126 Central apartment unit with energy consumption data collection
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      sku: QAX913-9

      Siemens QAX913-9

      Siemens QAX913-9 Central apartment unit with energy consumption data collection S55621-H126 The central apartment unit serves as an operator and display unit for an apartment. It manages individual room control (heating/cooling) of up to 12 rooms,...

      £437.04
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    • QAX34.3 Room unit with sensor
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      SIEMENS

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      sku: QAX34.3

      Siemens QAX34.3

      Siemens QAX34.3 Room unit with sensor, setpoint and operating mode selector, display and PPS2 interface Acquisition of room temperature Rocker switch for adjustment of room temperature setpoint Rocker switch for mode selection (Off/Auto) and for...

      £145.81
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    • QAX33.1 Room unit with sensor, setpoint and operating mode selector
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      SIEMENS

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      sku: QAX33.1

      Siemens QAX33.1

      Siemens QAX33.1 Room unit with sensor, setpoint and operating mode selector, fan speed selection, and PPS2 interface Acquisition of room temperature Setpoint adjuster for room temperature Rocker switch for mode selection (Off/Auto) and for manual...

      £114.35
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    • QAX32.1 Room unit with sensor, setpoint
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      SIEMENS

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      sku: QAX32.1

      Siemens QAX32.1

      Siemens QAX32.1 Room unit with sensor, setpoint and operating mode selector and PPS2 interface Acquisition of room temperature Setpoint adjuster for room temperature Rocker switch for mode selection (Off / Auto) Datasheet The Siemens QAX32.1...

      £114.35
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    • QAW912 starter Kit room unit with KNX for 2 heating zones
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      SIEMENS

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      sku: QAW912

      Siemens QAW912

      Siemens QAW912 Room unit with KNX RF for 2 heating zones S55621-H102 Wireless room unitThe QAW912 manages room heating control of up to 2 heating zones (rooms) and 6 SSA955 radiator control actuators. The unit facilitates full control of the room...

      £0.00
    • QAW910 wireless Room unit
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      SIEMENS

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      sku: QAW910

      Siemens QAW910 wireless room unit

        Siemens QAW910 wireless Room unit The QAW910 is used for the operation and display of basic space heating functions. It also forwards the acquired room temperature to the central apartment unit QAX9.., either periodically or when changes occur...

      £152.68
    • QAW70-B, Multifunctional room unit, instructions in nl, sv, el, pl
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      SIEMENS

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      sku: QAW70-B

      Siemens QAW70-B

      Siemens QAW70-B Multifunctional room unit, instructions in nl, sv, el, pl Programmable unit with display of date, time of day, room temperature, outside temperature, setting values and current 7-day program. With knob for manual setpoint readjustments...

      £210.42
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