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SIM is a class I heating element. The class II is also available, see SIS device. 

Functionality
The SIM is a basic, simple heating element. The SIM has built-in protection against overheating and is fitted with a bimetal temperature limiter. The device is available in a wide range of power outputs up to 1500 W.

Intelligent Building Systems
The SIM is suitable for connection to external timers and intelligent building systems.

Safety
The SIM has an exceptionally high degree of moisture ingress protection and is fitted with a thermal fuse to prevent overheating of the radiator.

Design
The SIM has a stainless steel housing. It does not have an on/off switch on its housing so it must be controlled externally either by a timer or switched fused spur. A version with a switch located on the plug is available.

Colour
Available colour: stainless steel.

Information for Customers

Please be reminded that Terma electric heating elements must only be used in systems properly filled with a heating medium (such as water or another approved fluid, as specified in the user manual)

Important: Do not switch on the heating element unless the heating rod is fully submerged in the heating medium. Operating the unit while dry can result in damage to the product.

Always check that the heating element is completely immersed before powering it on.


  • Technical parameters
  • 3D visualization
  • Downloads

Technical parameters

Features and functions

    • Maintenance-free
    • Heater colors - INOX, with a white or gray power cord
    • stainless steel housing
    • Maximum temperature limited to 65 ° C
    • Symmetrical housing (can be installed on the left or right side)
    • Suitable for connection to external timers and intelligent building systems
    • Thermal protection against operation in a dry radiator.

    Technical Specifications

    Power :
    230 V AC
    Available output power :
    100, 150, 200, 300, 400, 500, 600, 800, 1000, 1200, 1500W
    Protection devices :
    Klasa I
    Radiator connection :
    1/2”
    Ingress protection [IP] :
    IP67
    Model header Color Wattage L [mm] Product Code Configure Code
    SIM INOX 100 315 WESIM01 FINX*
    SIM INOX 150 310 WESIM51 FINX*
    SIM INOX 200 285 WESIM02 FINX*
    SIM INOX 300 310 WESIM03 FINX*
    SIM INOX 400 345 WESIM04 FINX*
    SIM INOX 500 375 WESIM05 FINX*
    SIM INOX 600 375 WESIM06 FINX*
    SIM INOX 800 485 WESIM08 FINX*
    SIM INOX 1000 575 WESIM10 FINX*
    SIM INOX 1200 750 WESIM12 FINX*
    SIM INOX 1500 950 WESIM15 FINX*

    * Add the appropriate cabel type symbols here

    Technical drawings

    3D visualization

    Wybierz swój region

    UK Sales Office & Drop Ship Distribution Centre
    Telephone: +44 (0) 1942 272 172

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