This kind of heaters, MoSi2 Element ( Kanthal Super Elements TM* ), increase resistivity sharply with temperature. The value of the resistance at ambient temperature is very low and increase its value up to 10 times as a function of temperature. To don’t oversize in current the Thyristor unit it’s necessary to limit the current to the load reducing the voltage with phase angle firing and current limit. When the resistance value reach a setted value are possible two types of working method that can be selected from HMI:- Phase Angle plus current limit all the time long Or- Phase Angle plus current limit when the resistance is cold and transfering to Delayed Triggering if load is coupled with transformer. CD Automation can drive this kind of elements with REVO C and REVEX 1ph Units.

MoSi2 Element 1PH Load

One Phase Thyristor Power Controller to drive MoSi2 Heating Element (Kanthal Super)
Product   
REVEX 1PHREVO C 1PH
 LOAD
 Load Voltage 480-600V 480-600V-690*V
 Current Range
 30:280A30:2100A
 INPUT
 10K Pot.
 4:20mA
 0:10V
 
FIRING 
 PHASE ANGLE + SOFT START > 2SEC + CURRENT LIMIT
 FEED BACK | CONTROL MODE
 I  Current
 OPTION 
 Aux. Voltage
24VdcAC Voltage (different range available)
 cUL us or UL (30:700A cUL us; 800:2100A UL)
480V and 600V max only
 COMUNICAZIONE / PROGRAM.  
 RS485 Modbus RTU 
 PROFINET + Ethernet Modbus TCP ▫ External Terminal Unit
Inbuilt fieldbus port
 Display + Keys
 
PC Win. Configurator 
 REVO KP3 
 = Standard 
  = Option 
* 690V available
from 60 up to 2100A on REVO C 1PH
 

 

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