Inverter i550 Series

Extensions such as a plug-on keypad or plug-on WLAN module simplify commissioning and diagnostics. Thus, the parameters can be set conveniently via a smartphone app using the WLAN module. Another key differentiating factors are its slimline design and its exceptional user-friendliness.

Compact dimensions:

  • Smallest design up to 4 kW, e.g. only 60 mm wide and 130 mm deep

Performance data:

  • Mains: 1 AC 230 V: 0.25 to 2.2 k
  • Mains: 1/3 AC 230 V = 0.25 to 5.5 kW
  • Mains: 3 AC 400/480 V: 0.37 to 132 kW

Integrated functions:

  • V/f characteristic control linear/quadratic (VFC plus)
  • Sensorless vector control (SLVC)
  • Energy saving function (VFC-Eco)
  • Servo control (SC-ASM) with feedback
  • Sensorless vector control for synchronous motors (up to 22kw)  
  • Vector control with feedback
  • V/f characteristic control with feedback
  • DC braking
  • Brake management for low-wear brake control 
  • Dynamic braking through brake resistance
  • S-ramps for smooth acceleration and delay
  • Flying restart circuit, PID controller


  • CE, UL, CSA, EAC, RoHS2

Efficiency class:

  • Top efficiency class for inverters with IE2 in accordance with EN 50598-2

Safety technology:

  • Safe torque off (STO)




Inverter i550 Series



Lenze SE

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Conformance tested

Productos certificados