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Showing Results For: On / Off Temperature Controllers

On / Off Temperature Controllers

Temperature fluctuations can disrupt processes, affect product quality, and reduce efficiency. On/Off temperature controllers offer a simple yet highly effective solution for maintaining stable temperatures in various applications. These controllers provide automatic temperature regulation by turning heating or cooling systems on or off as required, ensuring consistency and reliability.

How Do On/Off Temperature Controllers Work?

These controllers function using a preset threshold; when the temperature exceeds or falls below the set value, the controller activates or deactivates the heating or cooling system. This method ensures that temperatures stay within the desired range, reducing energy waste and optimising system performance.

Different Varieties of On/Off Temperature Controllers Available

  • Digital Temperature Controllers 
  • Analogue Controllers 
  • Single-Stage Controllers 
  • Dual-Stage Controllers
  • Programmable Controllers 

Exceptional Benefits of Buying Our Top-line On / Off Temperature Controllers

  • Reduces power consumption by switching only when needed.
  • Prevents overheating or overcooling, protecting sensitive equipment.
  • Simple installation and operation for all experience levels.
  • Provides an affordable yet effective solution for temperature regulation.

Versatility in Applications

  • Industrial and Manufacturing 
  • Food and Beverage Storage 
  • HVAC Systems 
  • Agriculture and Greenhouses
  • Laboratory and Medical Equipment 

Achieve Reliable Temperature Control with Our Professional-Grade Controllers

On/Off temperature controllers provide a hassle-free way to maintain stable and efficient temperature management across various industries. Whether you need to protect sensitive equipment or reduce energy costs, these controllers offer a reliable and easy-to-use solution for keeping temperatures just right!


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6.564.010.000, Kubler
1 In Stock
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£ 201.60
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6.532.012.300, Kubler
2 In Stock
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£ 115.95
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6.531.012.300, Kubler
1 In Stock
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£ 126.04
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6.564.010.300, Kubler
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£ 182.96
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6.564.010.309, Kubler
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£ 277.89
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6.533.012.300, Kubler
5 In Stock
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£ 163.57
DWYER INSTRUMENTS
TSF-4040, DWYER INSTRUMENTS
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PJS5C0HE00, Carel
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£ 110.44
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FTST1200K-110/240VAC, Tempatron
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£ 83.38
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£ 80.85
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PB00Y0EV30, Carel
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£ 83.09
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IREVY0LN00, Carel
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£ 39.41
RS Pro
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875-1289, RS Pro
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£ 90.55
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£ 87.76
RS Pro
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875-1270, RS Pro
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£ 90.55
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£ 87.76
RS Pro
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798-3450, RS Pro
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£ 66.40
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£ 64.37
RS Pro
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875-1302, RS Pro
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£ 68.10
701050/841-02, Jumo
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£ 89.30
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£ 86.56
RS Pro
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875-1276, RS Pro
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£ 92.28
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£ 89.45
40T96-4-00-RR-001, Gefran
1 In Stock
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£ 265.12
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£ 251.85
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£ 238.62
40T48-4-00-RR-00-0-0, Gefran
2 In Stock
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£ 255.36
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£ 242.59
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£ 229.83
Rohs Verified
40T96-4-00-RR-00-301, Gefran
3 In Stock
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£ 295.40
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£ 280.64
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£ 265.85
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40T72401RR009, Gefran
2 In Stock
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£ 200.47
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£ 194.34
40T48-4-00-RR-00-0-1, Gefran
1 In Stock
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£ 255.36
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£ 242.59
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£ 229.83
40T96-4-00-RR-000, Gefran
2 In Stock
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£ 265.12
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£ 251.85
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£ 238.62
RS Pro
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875-1295, RS Pro
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£ 58.42
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£ 56.63
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40T96-4-24-RRR0-301, Gefran
1 In Stock
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£ 351.25
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£ 333.68
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£ 316.13
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New Items
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798-3454, RS Pro

798-3454, RS Pro

RS Pro On/Off or Time Proportional Temperature Controller, Panel Mounting Professional range of Temperature Controllers designed for control & measurement. On / off control format supported. This range of controllers can be used in a wide variety of applications with ease of configuration. Frontal IP65 protection 230, 115 & 24V supply voltages supported Type J, K, R & S thermocouple input compatibility 2 or 3 wire PT100 temperature sensors are also compatible Scale of 0 to 800 °C available ( RS 798-3457 , RS 798-3454 ) Scale of 0 to 400 °C available ( RS 798-3463 , RS 798-3450 ) Suitable applications include: Plastic Glass Mechanical production Automation Petro-chemistry
New items
ID 985 LX, Eliwell

ID 985 LX, Eliwell

ID 985 — refrigeration controller ID 985 is a temperature controller used for industrial and commercial refrigeration, in areas such as supermarkets. It is best used for guaranteeing quality and safety in preserving fresh and frozen food. This controller is provided with a TTL port for connection to TelevisSystem or systems based on Modbus protocol. LED display, 12.5 mm digit height Standard housing: 32 x 74 mm 4 keys for controlling status and programming Decimal point Data stored in non-volatile EEProm memory Outputs for compressor, defrosting, alarm, on/off Temperature sensor included in scope of delivery IP65 (front panel) protection
New items
40T48-4-00-RR-00-0-0, Gefran

40T48-4-00-RR-00-0-0, Gefran

Indicators with configurable threshold and 40T series universal input Universal process indicators that are fully configurable with linear input signal range, thermoresistance, thermocouple or thermistor. 2 configurable alarm outputs and normally open contact (N/O). Indication of the size measured by an adhesive label on the front face (for most common physical units). Indication of over or under-scale measurement for linear inputs. Identification of temperature probe cut-out or short circuit. Version 48 x 96 with 4 / 20mA recopy output or with 4 / 20 mA sensor supply and recopy. The model with 4 / 20 mA sensor power supply and recopy features a 3 rd output relay. Supply voltage:  11 → 27 Vac / Vdc or 230 Vac Display:  4 digits 13 mm (except 40T48: 10 mm) Thermocouples type:  J; K; R; S; T; B; E; N; L GOST; U; G; D; or C Thermoresistance:  Pt 100 or Pt 100J (Japanese standard), 2 or 3-wire Thermistor:  PTC or NTC Input voltage:     0 → 60 mV; 12 → 60 mV; 0 → 10 V; 2 → 10 V; 0 → 5 V, 1 → 5 V, 0 → 1 V or     0.2 → 1 → V Current -  0 → 20 mA or 4 → 20 mA Output:  2 x N/O relays Breaking capacity:  5 A / 250 Vac Model: 40T48 40T72 40T96 Dimensions (mm): 48 x 48 x 108 36 x 72 x 62 48 x 96 x 108 Panel cut-out (mm): 45 x 45 30 x 69.5 45 x 92 Protection index:  IP65 (front face) Operating temperature:  0°C to +50°C
New items
40T96-4-00-RR-00-301, Gefran

40T96-4-00-RR-00-301, Gefran

Indicators with configurable threshold and 40T series universal input Universal process indicators that are fully configurable with linear input signal range, thermoresistance, thermocouple or thermistor. 2 configurable alarm outputs and normally open contact (N/O). Indication of the size measured by an adhesive label on the front face (for most common physical units). Indication of over or under-scale measurement for linear inputs. Identification of temperature probe cut-out or short circuit. Version 48 x 96 with 4 / 20mA recopy output or with 4 / 20 mA sensor supply and recopy. The model with 4 / 20 mA sensor power supply and recopy features a 3 rd output relay. Supply voltage:  11 → 27 Vac / Vdc or 230 Vac Display:  4 digits 13 mm (except 40T48: 10 mm) Thermocouples type:  J; K; R; S; T; B; E; N; L GOST; U; G; D; or C Thermoresistance:  Pt 100 or Pt 100J (Japanese standard), 2 or 3-wire Thermistor:  PTC or NTC Input voltage:     0 → 60 mV; 12 → 60 mV; 0 → 10 V; 2 → 10 V; 0 → 5 V, 1 → 5 V, 0 → 1 V or     0.2 → 1 → V Current -  0 → 20 mA or 4 → 20 mA Output:  2 x N/O relays Breaking capacity:  5 A / 250 Vac Model: 40T48 40T72 40T96 Dimensions (mm): 48 x 48 x 108 36 x 72 x 62 48 x 96 x 108 Panel cut-out (mm): 45 x 45 30 x 69.5 45 x 92 Protection index:  IP65 (front face) Operating temperature:  0°C to +50°C
New items
40T72401RR009, Gefran

40T72401RR009, Gefran

Gefran 40T Indicator Gefran 40T microprocessor based indicator offers configuration via the faceplate. This also supports a frontal Lexan© membrane faceplate which offers IP65 protection. This series benefits from accepting a comprehensive range of sensor inputs. A digital input (24Vdc / 4mA) is available for flash, peak handling, resetting or releasing latch. This device also does not required an external shunt or adaptor. Gefran 40T also makes use of a simplified "function block grouping" system which allows for ease of programming, there is also a dedicated Windows programming kit which utilizes a menu-driven program to make programming even easier 72 x 36 format manufactured with SMT Integral transmitter power supply Password protected configuration parameters Internal linearisation for engineering units 3 configurable trips points, which can be configured via the faceplate Custom thermocouple linearisation available Serial link configuration supported Supports relay & logic outputs Main applications include: Food processing Mould cooling & air conditioning Industrial refrigeration Humidity switching Thermostat Gefran Series 400, 600, 650, 1000, 1200 & 1250
New items
40T48-4-00-RR-00-0-1, Gefran

40T48-4-00-RR-00-0-1, Gefran

Configurable display units with 40T series alarm outputs Universal process display units with configurable input for linear signals, thermocouples, Pt100 and thermistors Linear input displays when levels fall above / below permitted measuring range 2 NO relay outputs, 5 A, 250 V at cos φ =1 Sensor-break and short-circuit detection Labels for the most frequent physical measurement units Dimensions (mm) Model: 40T48x0 40T72x9 40T96x0 40T48x1 40T96x1 Dimensions: 48 x 48 x 109 36 x 72 x 62 48 x 96 x 115 48 x 48 x 109 48 x 96 x 115 Panel cut-out: 45 x 45 30 x 69.5 44.5 x 92 45 x 45 44.5 x 92 Installation depth: 99 54 105 99 105 Supply voltage: 20 → 27 Vac / Vdc 100 → 240 Vac / Vdc Power supply: See table Display capacity: 4-digit 13 mm (10 mm on 40T48) Thermocouple: J; K; R; S; T; B; E; N; L-GOST; U; G; D; C RTD: Pt100, JPt100 Thermistors: PTC, NTC DC process signal input: 0(12) → 60 mV; 0(2) → 10 V; 0(1) → 5 V; 0(0.2) → 1 V; 0(4) → 20 mA Potentiometer: >100 Ω Operating temperature: 0 °C → 50 °C Front-side protection level: IP65
New items
6.564.010.000, Kubler

6.564.010.000, Kubler

Codix 564 - Temperature Controller The temperature controller Codix 564 displays temperature values in high resolution. In addition it can monitor and control 2 limit values. All current temperature sensors, such as thermocouple, as well as mV inputs, Pt100 and resistance inputs, can be connected to the device. These fast displays set new standards when it comes to user friendliness. Their easy-to-read 14-segment LED display, easy-to-understand running help texts and a practical quick-start guide eliminate the need to wade through time-consuming full instruction manuals. 6-digit display, 14-segment LED, 14 mm high Simple programming via 4 keys on the front One front key as well as 2 additional inputs can be programmed for specific applications Sampling rate of 10 readings per second MIN/MAX memory function, individually resettable Digital filter (first-order) for smoothing display fluctuations with unstable input signals Customised linearization via 12 control points 2 relay outputs (changeover contacts) for limit monitoring with hysteresis and ON/OFF delay function Auxiliary sensor power supply with AC version Inputs and outputs galvanically isolated Kubler Controller
New items
6.532.012.300, Kubler

6.532.012.300, Kubler

LED Temperature Indicator CODIX 531//532 Automatic maximum & minimum storage Decimal point selectable Reverse polarity protection 5 measurements per second (display refresh every 1-2 seconds) Resolution: 0.01°C (0.1°F) or 1°C (1°F) Accuracy: Temperature drift: 0.01K/K ambient Operating temperature: -20 to +65°C DIN 24 x 48mm housing; built-in depth: 59mm 5 Digit 8mm LED display Kubler Display Range -19 999 to 99.999 14 bit resolution Connection via plug in screw terminal IP 65 protection to front panel
New items
798-3476, RS Pro

798-3476, RS Pro

RS Pro On/Off Temperature Controller, Panel Mounting These heating & refrigeration controllers are designed for measuring and controlling temperature. They can be used in many applications with their easy use, On/ Off control 3 & 4 Digits display options available ON/OFF temperature control Adjustable temperature offset Set value low limit and set value high limit boundaries Relay & SSR driver outputs available Single & Dual Set temperature controllers available Digital Input (Cooking time start/stop input) Temperature control with manual heating function Alarm parameters Sensors : Please check the configuration on the datasheet to determine whether sensor is provided. Applications: Heating Ovens Incubators Storages Air Conditioning Refrigeration & Defrosting
New items
40T96-4-00-RR-000, Gefran

40T96-4-00-RR-000, Gefran

Indicators with configurable threshold and 40T series universal input Universal process indicators that are fully configurable with linear input signal range, thermoresistance, thermocouple or thermistor. 2 configurable alarm outputs and normally open contact (N/O). Indication of the size measured by an adhesive label on the front face (for most common physical units). Indication of over or under-scale measurement for linear inputs. Identification of temperature probe cut-out or short circuit. Version 48 x 96 with 4 / 20mA recopy output or with 4 / 20 mA sensor supply and recopy. The model with 4 / 20 mA sensor power supply and recopy features a 3 rd output relay. Supply voltage:  11 → 27 Vac / Vdc or 230 Vac Display:  4 digits 13 mm (except 40T48: 10 mm) Thermocouples type:  J; K; R; S; T; B; E; N; L GOST; U; G; D; or C Thermoresistance:  Pt 100 or Pt 100J (Japanese standard), 2 or 3-wire Thermistor:  PTC or NTC Input voltage:     0 → 60 mV; 12 → 60 mV; 0 → 10 V; 2 → 10 V; 0 → 5 V, 1 → 5 V, 0 → 1 V or     0.2 → 1 → V Current -  0 → 20 mA or 4 → 20 mA Output:  2 x N/O relays Breaking capacity:  5 A / 250 Vac Model: 40T48 40T72 40T96 Dimensions (mm): 48 x 48 x 108 36 x 72 x 62 48 x 96 x 108 Panel cut-out (mm): 45 x 45 30 x 69.5 45 x 92 Protection index:  IP65 (front face) Operating temperature:  0°C to +50°C
New items
875-1298, RS Pro

875-1298, RS Pro

On/Off Digital Potentiometer On/Off digital potentiometers are designed for controlling the speed and direction of a motor as a control panel for V/F speed controllers. They are easy to use and can be used in many applications with their ramp properties. 4 Digit display Easily adjustable set value from front panel Configurable display scale between -1999 and 9999 Adjustable decimal point Set value low & high limit boundaries Adjustable ramp up & ramp down time Forward, reverse direction outputs and error inputs for V/F speed controller Password protection for programming and adjustment sections
New items
6.533.012.300, Kubler

6.533.012.300, Kubler

Codix 533 - Setpoint Adjuster 4-Digit display, 7-segment LED, 8 mm high Simple programming via 2 keys on the front Digital setting- no additional DIP switches or potentiometers Manual operation or programmable 3 Operating modes can be programmed; manual direct input operation, manual ramp operation and automatic ramp operation. The codix 533 setpoint adjuster is an easy-to-use micro-processor-controlled device outputting current and voltage values. It has the function of a digital timer with analogue output and the display can be freely programmed with no requirement of conversion for the specified output value. The setpoint adjuster is ideal for simulation runs without the need for expensive, time-consuming running-in of processes. It is user-friendly and simpler to run processes with, than a PLC or other process controller. Kubler Controller
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