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Low voltage Drives

Compatible, reliable, energy saving

FRENIC-Ace-H is a low voltage drive that offers optimal energy-saving possibilities in HVAC and pump applications. Ease of use, network compatibility and long-term reliability are paramount. With its user-defined logic, FRENIC-Ace-H makes it possible to tailor functionalities to specific needs and applications.




  • Quadruple Rating: only in 400 V
  • System protection functions:
    Slow flow rate / Check valve protection / Initial acceleration time / Overpressure monitoring / PID alarms / Wire break detection
  • STO (functional safety) as standard:
    STO SIL 3, cat. 3, PL e
  • Integrated EMC filter, cat. C2/C3. *For 200 V > 30 A: without integrated EMC filter
  • Water supply and drainage system function:
    Dynamic torque vector control / Cascade control (up to 4 pumps) / 2 PID controllers integrated / Alternate operation master/slave (up to 4 pumps) / Flexible inverter operation (floating) / Emergency operation (forced running) / Start mode (motor catch function) / Automatic energy saving function / User-defined logic, Mini PLC (200 steps) / Automatic deceleration / Password function
  • PM synchronous motor drive, PM sensorless vector control
  • Comprehensive communication support:
    BACnet communication protocol as standard
    RS485 / Modbus RTU / BACnet MS/TP / Metasys N2
  • Integrated Keypad / multifunctional keypad as an option
    Supports 19 languages and 1 user-defined language

Option cards


  • DeviceNet (OPC-DEV)
  • RS 485 (OPC-E2-RS)
  • CANopen (OPC-COP2)
  • CC-Link (OPC-CCL)
  • LonWorks®
  • BACNet/IP / Ethernet/IP / Profinet I/O
  • Relay output
  • Analog I/O expansion
  • Digital I/O expansion
  • Thermistor Pt100 input card


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