THW-A1 and A4 series

• load type: 3 phase, resistive, transformer primary side, Kanthal Super molybdenum MoSi2, or silicium carbide SiC
• maximum load current: 20-100A
• maximum load voltage:
  • THW-A1: 100-240Vac
  • THW-A4: 400-440Vac
• firing modes:
  • phase angle (for resistive and transformer primary side)
  • zero crossing on/off (for resistive loads only)
  • soft start on all modes
• control modes:
  • proportional phase angle (open loop)
  • constant voltage
  • proportional voltage
  • proportional voltage square (V2)
  • voltage square feedback (V2)
•  inputs:
  • group 1 (configurable within the group):
    • 0/4-20mA
    • 0/1-5Vdc
    • 0/12Vdc
    • potential free relay contact input
  • group 2 (configurable within the group):
    • 0-10Vdc
    • 0/12Vdc
    • 0/24Vdc
    • potential free relay contact input
• Alarm outputs (2 points)
• optional
  • constant current control
  • constant power control (VxI)
  • external fuses with/without fuse break alarm output
  • current limit
  • heater break alarm + SCR short circuit

Click here to request a quotation for the THW-A1/A4.