What can be made with mineral insulated (MI) Cable?


Mineral Insulated (MI) cables are also known as:
• Metal mineral insulated metal sheath (MIMS) cable
• Mineral insulated copper cable (MICC)

MI cable is a specialized cable that ensures precise measurements and/or the transmission of electrical currents in challenging and hazardous environments. It resists oxidation and maintains low flammability, even at high temperatures. Magnesium oxide (MgO) is used to insulate the metal conductors, providing chemical and physical stability as well as resistance to ionizing radiation. The outer sheath can be one or more layers of metal alloys, chosen to provide protection for the environmental challenges of the specific application.

Kamet supplies both standardized and customized MI cable of the following types:
• MI thermocouple cables (measuring temperature,
• MI RTD cables (for use with resistance temperature detectors/sensors,
• MI heating cables (bespoke industrial heating applications,

In general MI cable is used for instrumentation, power and control applications. On this article we will look at some specific examples of products that incorporate our MI cables and the kind of applications they are suited to.

MI power cables (conductor cables)

High-voltage and low-voltage MI conductor cables can be used to transmit electrical power in a wide range of applications from appliances in private homes to huge industrial processes.

MI cable is a popular choice for power circuits, particularly for critical equipment in potentially flammable environments. Some examples include: nuclear reactors, hospital operating rooms, fire alarm systems, emergency power/lighting systems, public buildings, transport hubs, petrol stations, tunnels and mines.

MI signal or data cables
MI cables can be used for signal transmission, measurement and control. The cables designed for this purpose are known by various names including signal, data or instrumentation cables.

The entirely organic construction of MI instrumentation cable makes it extremely fire-, heat- and waterproof.

For certain monitoring and measurement applications, accuracy and precision of data transmission is essential (eg signal transmission from sensors). In such applications, MI instrumentation cables with a solid copper sheath are chosen, since copper acts as an excellent electrostatic screen, preventing interference from external signals.

A wide variety of industries make use of MI data cables designed for their specific applications, from safety in public buildings, to process control in large scale industrial applications. MI signal cable is highly resistant to ionizing radiation which means it is also used for instrumentation in nuclear industries as well as high-tech applications such as aerospace and cryogenics.

MI fire safety cable
MI fire safety cable refers to any MI cable that has been designed and certified specifically for fire and heat resistance. Most often these are MI power cables or MI signal cables with copper conductors and sheaths.

MI heater cable
MI heater cable is chosen for thermal control and frost protection in industrial processes where any of the following apply: High power is required; Process temperature is high; Installations requires flexible, small diameter cables in long cuts; and Heaters are exposed to a hazardous environment

MI heater cable is also used to prevent surfaces from freezing e.g. ramps (pedestrian or road), helicopter landing pads, football grounds and roofs. It can also be a more economical option for floor heating as it requires less power than conventional systems while providing very even heat distribution.

Visit us on stand 1-352
A huge range of industrial processes make use of our MI thermocouple, RTD and heater cable, especially in hazardous environments with hot, corrosive or explosive atmospheres. Should you wish to know more about what role MI cable products could play in your specific application, then please visit us on stand 1-352.

Kamet has over 30 years of experience and the high standard of our certified product range guarantees that our MI cable and service will meet your particular needs. Aside from our standard stock of TC cable or MI RTD cable, there are many options for the customization of our various MI cables. Should you need any further information or advice about using MI cable for your particular application, then please contact us. Our team of experts will be happy to help and are quick to respond.

Tennesseedreef 6

3565 CJ Utrecht


+31 850 4027-00

Halle 1 Stand 1-352

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