
Best selling Thermostats from Jumo
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1. Jumo Built-in thermostat heatTM
This achieves a high switching point accuracy. With a maximum switching point deviation of +/- 5% over a total lifespan of 250,000 switching cycles, the thermostat is ideally suited for precise long-term use. The environmental friendliness of the heatTHERM is ensured by a cadmium-free construction and RoHS compliance. Without the need for additional auxiliary energy for temperature measurement, the electromechanical thermostat offers a significant advantage. Applications: Regulation and monitoring of thermal processes, such as in open and closed heating systems or in steam boilers.

2. Jumo Temperature limiter heatTM Top hat rail stat
This achieves a high switching point accuracy. The push-in connection technology significantly reduces assembly time by eliminating complex wiring tasks. The wide range of device types ensures that the right solution can always be found for different applications. Without the need for additional auxiliary power for temperature measurement, the electromechanical thermostat offers a significant advantage. Applications: Control and monitoring of thermal processes in heating, air conditioning, and ventilation technology, in building automation, in industrial plants, and in district heating transfer stations.

3. Jumo Modularer Kompaktregler
The multifunctional controller impresses with its customizable user interface and hardware configuration. It allows for flexible additions of both analog and digital inputs and outputs, counting inputs, and interfaces. With a second control channel, math and logic functions, as well as the implementation of control functions via ST code, the controller handles complex applications with ease.

4. Jumo Digital indicator
The smart digital indicator is designed for the electronic display of a thermocouple (Type L, J, or K). Additional functionalities include limit monitoring, min/max value storage, hold function, and tare function. The device is equipped with two relays (changeover and normally closed) and a digital input. It features a simple, clearly structured operation supported by texts in the local languages: German, English, French, and Spanish. Process values, texts, and parameters are displayed on two 18-segment LCD screens. Additional display elements provide information about the switching states of the outputs, timer status, and temperature unit. Print terminals with push-in technology enable quick electrical installation. Operation, parameterization, and configuration are carried out via a membrane keyboard with four buttons. With the help of the setup program, the device can be comfortably configured with a PC. During configuration via the USB interface, no separate power supply is required.

5. Jumo Surface-mounted thermostat
The single-pole mechanical surface-mounted thermostat is very robust due to its impact-resistant housing with a high-quality plastic cover and aluminum die-cast base, making it suitable for use in harsh conditions. The measuring system operates based on the principle of liquid expansion and can be used without issues up to a maximum permissible sensor temperature of 175 °C. The smooth round sensor made of copper has a diameter of 6 mm and a sensor length of approximately 88 mm. The thermostat's remote cable is also made of copper and can be flexibly installed with a bending radius of 5 mm. The maximum permissible ambient temperature at the housing (protection class IP54) is 80 °C. Using a screwdriver, the desired cut-off temperature can be easily set on an internal scale after removing the housing cover. The temperature monitor is characterized by a high switching point accuracy of +0/-1.5% in the upper third of the scale. A significant advantage is that no additional auxiliary power is required for temperature measurement. The electrical connection is made via screw terminals directly on the installed microswitch, which can switch a maximum permissible switching power of AC 230 volts / 10 A directly. The thermostat has a switching differential (hysteresis) of approximately 3 to 4% of the scale range and automatically switches back to its original state after falling below the cut-off temperature by this value. The temperature monitor is very versatile and is used in heating, air conditioning, and ventilation technology, as well as in the plastics industry, apparatus and mechanical engineering, oven construction, and for temperature monitoring in laboratories and climate chambers. The device is approved according to DIN EN 14597 and has an EAC certification.

6. Jumo 00771069
The electronic thermostat can be used as a heating or cooling thermostat, or optionally as a PID two-point controller, and it measures process variables via a resistance thermometer. When used as a PID two-point controller, the controller structures P, I, PD, PI, and PID are possible. The device is equipped with a relay output (16 A). Its round housing design allows it to be used wherever round analog instruments were previously employed. It features a simple, clearly structured operation supported by texts in the local languages of German, English, French, and Spanish. Process values, texts, and parameters are displayed on two 18-segment LCD screens. Additional display elements provide information about the output switching status, timer status, and temperature unit. Plug-in terminal blocks with push-in technology enable quick electrical installation. Operation, parameterization, and configuration are carried out via a membrane keypad with four buttons. With the setup program, the device can be conveniently configured using a PC. During configuration via the USB interface, no separate power supply is required.

7. Jumo Room thermostat heatTM Structure /
The JUMO heatTHERM-AT is available as either a surface-mounted or room thermostat. In the surface-mounted version, installation options include protective tube, wall, or pipe installation. The JUMO heatTHERM-AT operates on the principle of liquid expansion. The electrical switching element is a snap switch.

8. Jumo Temperature limiter Built-in thermostat EM 5 (TB), 1 pole
The devices of the EM series are available as temperature controllers TR, temperature monitors TW, temperature limiters TB, safety temperature monitors STW (STB), and safety temperature limiters STB. The STB puts the monitored system into a safe operating state in the event of a malfunction. Built-in thermostats operate on the principle of liquid expansion, with a microswitch serving as the electrical switching element.

Jumo Temperature limiter Built-in thermostat EM 5 (TB), 1 pole
9. Jumo Electronic thermostat
The electronic thermostat can be used as a heating or cooling thermostat and measures the process variable via a resistance thermometer. The device is equipped with a digital input and two relays, or with one relay and a digital output. It features a simple, clearly structured operation supported by texts in the local languages of German, English, French, and Spanish. Process values, texts, and parameters are displayed on two 18-segment LCD screens. Additional display elements provide information about the switching states of the outputs, the timer status, and the temperature unit. Print terminals with push-in technology enable quick electrical installation. Operation, parameterization, and configuration are carried out via a membrane keyboard with four buttons. Using the setup program, the devices can be conveniently configured with a PC. During configuration via the USB interface, no separate power supply is required.

10. Jumo 60003348
The Jumo built-in thermostat is a reliable device specifically designed for frost protection. With a control temperature range of -10 °C to 15 °C, this thermostat is ideal for applications where precise temperature control is required. The robust housing made of impact-resistant plastic ensures high durability, allowing the thermostat to be used even under challenging conditions. Installation is straightforward on the wall, and the temperature can be manually adjusted via a scale that is always readable through a viewing window in the housing cover. The thermostat is equipped with a capillary system that tolerates a maximum sensor temperature of 120 °C. The copper sensor cable allows for flexible installation, while the maximum ambient temperature at the housing is 80 °C. Thus, the Jumo built-in thermostat is a practical solution for temperature control in various applications.
- Robust, impact-resistant housing made of high-quality plastic
- Manual temperature control with adjustable shutdown temperature
- Viewing window for easy reading of the set temperature
- Flexible installation of the copper sensor cable with a bending radius of 20 mm
- Automatic reset for reliable operation.
