Article Number: 162441

Duomelt Plus

Temperature Limiter / Thermal Link Combination

T 250°C / Imax 10A / short reaction time / orientation independent mounting / temperature resistant ceramic housing / standard terminals

Properly installed, the combination limiter/ limiter/thermal link type 162 441 may be used in electrical devices where the heating phases
need to be interrupted permanently after a preset temperature is reached and where an upper temperature limit must not be exceeded.

Vaulted bimetal discs are used as the temperature sensing elements. The discs are placed in direct contact with the mounting plate therefore reacting quickly to changes in temperature. Upon reaching the preset temperature the bimetal discs operate and open the electrical circuit. After the cooling process two steel discs prevent an automatic reset. The limiters have to be reset manually by pressing the reset tabs. The thermal link, approved according to DIN VDE 0821/EN 60 691, is equipped with a melt solder insert, placed in direct contact with the mounting plate. Upon reaching the preset temperature, the solder melts opening the electrical circuit. Resetting is not possible.

Advantages Technical data Applications Downloads Callback
Duomelt Plus

The advantages of Duomelt Plus

  • manually switchable on/off

    pause and reactivate – as needed

  • easy mounting

    quick + safe + economically

  • three components on one base plate

    space saving + easy mounting + homogeneous heat transfer

  • short response time

    ideally suited for powerful heating elements

  • robust ceramic housing

    compact design + ceramic housing with separate switching chamber

Details

Technical Data

fixed Temperature Limiter / Thermal Link Combination

                        Switching cycles  
            Voltage           Current              VDE             cURus           Tmax 
               V Ni                 A                   °C
AC               240                10           10.000                -              250

 

General product features:

Switching temperature: 60°C - Tmax
Switching tolerance: ± 7,5 K 
Rate of temperature rise:                    > 1 K/min
Design: according to DIN EN 60 730 protection class I
Proof tracking index PTI: > 250V

 

 Technical Data TS link

The "Minimelt II Plus" thermal fuse has been tested in accordance with DIN EN60691 and is approved for the following requirementst:

Ambient conditions:               Temperature fuse for use under normal atmospheric conditions
Circuit conditions: Thermal fuse for use in ohmic circuits
Comparative tracking index: CTI ≥ 250  
     
Characteristic values                    VDE *) cURus
Nominal current                       Ir    13,5 A
Switch-off current                      Ib    20,3 A
Short-term overload current                       Ip     203 A
Nominal voltage                      Ur     230 V
    *) cURus = UL / CSA
Characteristic temperatures
Tf ... Nominal temperature
Th ... Continuous operating termperature in accordance with DIN EN60691 (measured at the base plate near the link insert)
Tm ... Max. temperature limit
         Tf (°C) UL VDE Tm (°C)
  Th (°C) Th (°C)  
         206°C 170°C 165°C 500°C
         229°C 200°C 187°C 500°C
         260°C 230°C 215°C 500°C
         298°C 260°C 255°C 500°C
         318°C 280°C 270°C 500°C
Tolerance for Tf is according to VDE 0821 / DIN EN60691 / UL60691 -10K

 

It is important to pay attention to an aligned dsign of both components.

Applications

Properly installed, the combination limiter/ limiter/thermal link type 162 441 may be used in electrical devices where the heating phases need to be interrupted permanently after a preset temperature is reached  and where an upper temperature limit must not be exceeded.

Structure and mode of operation

Vaulted bimetal discs are used as the temperature sensing elements. The discs are placed in direct contact with the mounting plate therefore reacting quickly to changes in temperature. Upon reaching the preset temperature the bimetal discs operate and open the electrical circuit. After the cooling process two steel discs prevent an automatic reset. The limiters have to be reset manually by pressing the reset tabs. The thermal link, approved according to DIN VDE 0821/EN 60 691, is equipped with a melt solder insert, placed in direct contact with the mounting plate. Upon reaching the preset temperature, the solder melts opening the electrical circuit. Resetting is not possible.

Approbation

refer to approvals list which is available request

Advantages

  • easy mounting
  • manually switchable on/off
  • fast response
  • high contact opening force
  • long lifespan
  • various connection and fastening options

Applications

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Downloads

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