THV-A1 series

Discontinued, replaced by THV-10.

The THV-A1 series are very rugged and reliable universal  advanced high performance 1 phase thyristor units.

  • load type: 1 phase resistivetransformer primary side, MoSi2 Kanthal Super, or silicium carbide SiC
  • maximum load current20-100A
  • maximum load voltage: 100-240Vac
  • 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)
    • square voltage feedback
  •  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 
    • current limit
    • heater break alarm + SCR short circuit
    • communication interface: MODBUS RTU RS-485

THV-A1 series catalog

Instruction manual THV-A1 series
Communication instruction manual THV-A1 series

Click here to request a quotation for the THV-A1.

1 phase 20-100A thyristorunit for all kinds of loads
industry 4.0 ready
External dimensions 20-60A
External dimensions 80-100A
External dimensions 150-200A