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ROPEX RES-403 Resistron:

RES-403 | In-stock USA

The ROPEX Resistron RES-403 controller utilizes microprocessor technology for sensorless, closed-loop control of impulse heating elements. The ROPEX RES-403 is designed for simple plug-in system integration.

The ROPEX Resistron RES-403 contains the following features:

ROPEX RES-403 Features:

Ropex Resistron RES-403 Heat Seal Controller
  • µC-Technology

  • Automatic zero calibration, push button (AUTOCAL)

  • Automatic optimization (AUTOTUNE)

  • Automatic frequency adjustment

  • Large current and voltage range

  • Alarm function with fault diagnostics

  • Selectable temperature range (0...300°C, 0...500°C)

  • Temperature set point selection with (PD) potentiometer

  • 0...10 VDC analog output for ACTUAL temperature

  • Temperature display using (ATR) temperature meter

  • Activated with contact or 24 VDC signal

  • Automatic configuration of secondary voltage and current ranges
    (AUTORANGE, as of October 2005)

  • Automatic phase angle compensation (AUTOCOMP, as of October 2005)

  • Selectable heatseal band alloy (A20 (Alloy-20), A20L, Low-Ex)

  • RES-403 Operating Instructions:Ropex pdf

    For additional downloads, please visit ... or click here to add Ropex tab

ROPEX RES-403 Resistron Part Numbers:

Part numbers for 115, 230 and 400 VAC units

  • RES-403/115VAC Part No. 740301

  • RES-403/230VAC Part No. 740302

  • RES-403/400VAC Part No. 740303

  • Alternate industry names for RES-403 controllers:

    • RES-403, RES403, RES_403, res-403, res403, res_403


  • The RES 200 series has been replaced by the newer RES 400 series with micro-processor technology. The RES-403 replaces the now obsolete RES-203.

  • Alternate industry names for RES-203 controllers:

    • RES-203, RES203, RES_203, res-203, res203, res_203

    RES-203 Upgrade Instructions:Ropex pdf

ROPEX Accessories:

... available for the Ropex Resistron Heatseal Controllers:


P: 414 507-9378


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